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visualmath.art

visualmath.art is SSL secured

Free website and domain report on visualmath.art

Last Updated: 2nd June, 2024 Update Now
Overview

Snoop Summary for visualmath.art

This is a free and comprehensive report about visualmath.art. The domain visualmath.art is currently hosted on a server located in Netherlands with the IP address 185.107.56.192, where EUR is the local currency and the local language is Dutch. Our records indicate that visualmath.art is privately registered by Private by Design, LLC. Visualmath.art has the potential to be earning an estimated $1 USD per day from advertising revenue. If visualmath.art was to be sold it would possibly be worth $855 USD (based on the daily revenue potential of the website over a 24 month period). Visualmath.art receives an estimated 406 unique visitors every day - a decent amount of traffic! This report was last updated 2nd June, 2024.

About visualmath.art

Site Preview: visualmath.art visualmath.art
Title: Visualmath
Description: NebulaWeb by Nebula Services. NebulaWeb is a stunning, sleek, and functional web-proxy/unblocker with support for thousands of popular sites.
Keywords and Tags: discord, dispenser, free, nebula services, nebulaservices, proxies, proxy, tutorial, unblocked, unblocker, web dev, web unblocker
Related Terms: nebula, nebula actress, nebula gray pearl
Fav Icon:
Age: Over 2 years old
Domain Created: 28th April, 2022
Domain Updated: 5th January, 2024
Domain Expires: 28th April, 2025
Review

Snoop Score

1/5

Valuation

$855 USD
Note: All valuation figures are estimates.

Popularity

Low
Note: Popularity is estimated.

Rank, Reach and Authority

Alexa Rank: 2,748,097
Alexa Reach:
SEMrush Rank (US):
SEMrush Authority Score:
Moz Domain Authority: 0
Moz Page Authority: 0

Organic vs Paid (Google Ads)

Traffic

Visitors

Daily Visitors: 406
Monthly Visitors: 12,357
Yearly Visitors: 148,190
Note: All visitors figures are estimates.

Visitors By Country

Revenue

Revenue

Daily Revenue: $1 USD
Monthly Revenue: $35 USD
Yearly Revenue: $422 USD
Note: All revenue figures are estimates.

Revenue By Country

SEO

Backlinks Analysis (SEMrush)

Top New Follow Links

Top Ranking Keywords (US)

Domain Analysis

Value Length
Domain: visualmath.art 14
Domain Name: visualmath 10
Extension (TLD): art 3
Expiry Check:

Page Speed Analysis

Average Load Time:
Load Time Comparison:

PageSpeed Insights

Avg. (All Categories) 74
Performance 82
Accessibility 100
Best Practices 75
SEO 90
PWA 22
0–49 (Fail) 50–89 (Average) 90–100 (Pass)
URL: https://visualmath.art/
Updated: 17th January, 2023

3.55 seconds
First Contentful Paint (FCP)
26%
36%
38%

0.01 seconds
First Input Delay (FID)
92%
5%
3%

Simulate loading on desktop
82

Performance

Indicates how well the page is performing and highlights opportunities where performance may be improved for visualmath.art. This includes details about optimizing page load times which can result in a better user experience.

Metrics

Cumulative Layout Shift — 0.001
Cumulative Layout Shift is the measurement of visible elements collective movement within the viewport.
View Data

Other

Properly size images — Potential savings of 70 KiB
Images can slow down the page's load time. Visualmath.art should consider serving more appropriate-sized images.
URL Resource Size (Bytes) Potential Savings (Bytes)
https://cdn.discordapp.com/attachments/1055618523768041594/1055659400880210010/haikei_ad.png
44398
37540
34969
34618
Defer offscreen images
Time to Interactive can be slowed down by resources on the page. Visualmath.art should consider lazy-loading offscreen and hidden images.
Minify CSS
Cascading Style Sheets (CSS) files can contribute to network payload sizes. Visualmath.art should consider minifying CSS files.
Minify JavaScript
JavaScript (JS) files can contribute to network payload sizes and increase script parse times. Visualmath.art should consider minifying JS files.
Reduce unused CSS — Potential savings of 14 KiB
Dead and/or unused rules in Style Sheets (CSS) can contribute to network payload sizes. Visualmath.art should consider removing dead rules from style sheets and deferring the loading of CSS not used for above-the-fold content.
URL Transfer Size (Bytes) Potential Savings (Bytes)
https://fonts.googleapis.com/css2?family=Dongle&family=Roboto:wght@100&display=swap
14455
14455
Efficiently encode images
Unoptimized images can consume more cellular data than what is necessary.
Serve images in next-gen formats — Potential savings of 51 KiB
Consider JPEG 2000, JPEG XR or WebP image formats which provide better compression than PNG and JPEG.
URL Resource Size (Bytes) Potential Savings (Bytes)
https://cdn.discordapp.com/attachments/1055618523768041594/1055659400880210010/haikei_ad.png
44398
28970.9
34969
23124.6
Enable text compression
Text-based resources should be served with compression, such as gzip, deflate or brotli.
Preconnect to required origins
Resource hints, such as 'preconnect' or 'dns-prefetch', may assist in establishing early connections to important third-party origins.
Initial server response time was short — Root document took 430 ms
It is advised to keep the server response time short for the main document, because all other requests depend on it.
URL Time Spent (Ms)
https://visualmath.art/
429.102
Avoid multiple page redirects — Potential savings of 190 ms
Redirects can cause additional delays before the page can begin loading. Visualmath.art should avoid multiple or unnecessary page redirects.
URL Time Spent (Ms)
http://visualmath.art/
190
https://visualmath.art/
0
Preload key requests
Key requests can be preloaded by using '<link rel=preload>'. Visualmath.art should consider using '<link rel=preload>' to prioritize fetching resources that are currently requested later in page load.
Use video formats for animated content
Large GIFs are inefficient for delivering animated content. It is recommended to use MPEG4/WebM videos for animations and PNG/WebP for static images instead of GIF.
Remove duplicate modules in JavaScript bundles
Ensure that no duplicate JavaScript modules from bundles exist to reduce bytes consumed by network activity.
Avoid serving legacy JavaScript to modern browsers — Potential savings of 0 KiB
Polyfills and transforms enable legacy browsers to use new JavaScript features. For bundled JavaScript it is recommended to adopt a modern script deployment strategy using module/nomodule feature detection. This will reduce the amount of code shipped to modern browsers.
URL Potential Savings (Bytes)
https://static.arc.io/widget/js/core.js?13acafc
67
https://static.arc.io/broker/js/lazy-modules.a169b1ec.js
66
Preload Largest Contentful Paint image
It is recommended to preload images used by LCP elements, to improve LCP time.
URL Potential Savings (Ms)
https://cdn.discordapp.com/attachments/1055618523768041594/1055659400880210010/haikei_ad.png
0
Avoids enormous network payloads — Total size was 1,810 KiB
Large network payloads can cost users money and are linked to long load times.
URL Transfer Size (Bytes)
https://static.arc.io/widget/js/chunk-2d0cf2b3.js?d98d2542
706309
https://visualmath.art/uv/uv.bundle.js
194263
https://strn.pl/ipfs/QmUDnuXfaovDHMMJYXtr1rHBgg1qP4sUJGV4482qQLJYc3/hidden.gif?format=car&clientId=935bb990-d407-4da7-82ae-807e1aa0961a
121799
https://pagead2.googlesyndication.com/pagead/managed/js/adsense/m202212050101/show_ads_impl_fy2021.js
120712
https://visualmath.art/osana/osana.bundle.js
108427
https://static.arc.io/widget/js/core.js?13acafc
106302
https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js?client=ca-pub-6804325669459767
50097
https://cdn.discordapp.com/attachments/1055618523768041594/1055659400880210010/haikei_ad.png
45896
https://visualmath.art/resources/nebulamain.js
40959
https://visualmath.art/
38307
Avoids an excessive DOM size — 101 elements
A large DOM (Document Object Model) will increase memory usage, cause longer system calculations as well as costly layout reflows.
Statistic Element Value
Total DOM Elements
101
Maximum DOM Depth
:
7
Maximum Child Elements
body
16
Avoid chaining critical requests — 7 chains found
Below is a list of Critical Request Chains, which shows which resources are loaded with a high priority. Visualmath.art should consider reducing the length of chains, reducing the download size of resources, or deferring the download of unnecessary resources to improve page load.
User Timing marks and measures — 15 user timings
Make use of the User Timing API to measure an app's real-world performance during key user experiences.
Name Type Start Time (Ms) Duration (Ms)
arc:widget.js:load
Measure
527
89.9
arc:broker.html:load
Measure
619.503
177.568
arc:core.js:load
Measure
623.89
119.027
arc:broker.html:establish_rpc
Measure
797.198
330.783
arc:broker.html:establish_rpc
Measure
1493.461
56.786
arc:ws_tracker:connect:lk9:start
Mark
619.138
arc:broker.html:load:t0b:start
Mark
619.518
arc:core.js:load:538:start
Mark
623.912
arc:p2p-client:ready
Mark
742.639
arc:core.js:load:538:end
Mark
742.925
arc:broker.html:load:t0b:end
Mark
797.086
arc:broker.html:establish_rpc:jl8:start
Mark
797.212
arc:broker.html:establish_rpc:jl8:end
Mark
1128
arc:broker.html:establish_rpc:st3:start
Mark
1493.486
arc:broker.html:establish_rpc:st3:end
Mark
1550.264
JavaScript execution time — 0.9 s
JavaScript (JS) execution time can be lowered by reducing the time required for parsing, compiling and executing JS. Delivering smaller JS payloads may help with this.
URL Total CPU Time (Ms) Script Evaluation (Ms) Script Parse (Ms)
https://visualmath.art/
295.968
6.493
1.45
https://tpc.googlesyndication.com/sodar/sodar2/225/runner.html
283.135
220.661
1.897
https://visualmath.art/resources/nebulamain.js
238.192
236.345
0.981
https://browser.sentry-cdn.com/6.2.2/bundle.min.js
158.543
126.934
1.152
Unattributable
135.285
7.907
0
https://static.arc.io/widget/js/chunk-2d0cf2b3.js?d98d2542
94.443
51.178
43.033
https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js?client=ca-pub-6804325669459767
93.869
83.511
2.464
https://pagead2.googlesyndication.com/pagead/managed/js/adsense/m202212050101/show_ads_impl_fy2021.js
75.807
64.682
6.632
Minimizes main-thread work — 1.7 s
Main-thread work timing can be lowered by reducing the time required for parsing, compiling and executing JS. Delivering smaller JS payloads may help with this.
Category Time Spent (Ms)
Script Evaluation
1049.601
Other
309.251
Style & Layout
111.99
Garbage Collection
101.373
Script Parsing & Compilation
95.964
Rendering
40.622
Parse HTML & CSS
27.35
All text remains visible during webfont loads
Make use of the font-display CSS feature, which will ensure text is user-visible while webfonts are loading.
Keep request counts low and transfer sizes small — 56 requests • 1,810 KiB
It is advised to add a budgets.json file in order to set budgets for the quantity and size of page resources.
Resource Type Requests Transfer Size (Bytes)
Total
56
1852963
Script
25
1512431
Other
11
160651
Document
6
52880
Stylesheet
8
51318
Image
4
47529
Font
2
28154
Media
0
0
Third-party
46
1464486
Minimize third-party usage — Third-party code blocked the main thread for 0 ms
It is advised to either limit, remove or delay the loading of redundant third-party code which may be significantly impacting load performance.
Third-Party Transfer Size (Bytes) Main-Thread Blocking Time (Ms)
SHOW DETAILS
221529
0
SHOW DETAILS
43937
0
SHOW DETAILS
21124
0
SHOW DETAILS
6530
0
SHOW DETAILS
3274
0
SHOW DETAILS
1426
0
Lazy load third-party resources with facades
Consider replacing third-party embeds with a facade until they are required (use lazy loading).
Largest Contentful Paint element — 1 element found
The element which was identified as the Largest Contentful Paint.
Element
ad1
Largest Contentful Paint image was not lazily loaded
Above-the-fold images that are lazily loaded render later in the page lifecycle, which can delay the largest contentful paint.
Element
ad1
Avoid large layout shifts — 2 elements found
Below is a list of all DOM elements that contribute to the CLS of the page.
Element CLS Contribution
Tuesday, 08:13 AM.  Games  Settings   NEW  Want More Links?
0.00051620689592272
Explore the web freely
0.00012286577357499
Uses passive listeners to improve scrolling performance
Improve the page's scroll performance by marking touch and wheel event listeners as 'passive'.
Avoids `document.write()`
Avoid or limit the use of external scripts that are dynamically injected via 'document.write()' as users on slow connections will be delayed by tens of seconds.
Avoid long main-thread tasks — 4 long tasks found
Below is a list of the longest tasks on the main thread, which is useful when identifying the worst input delay contributors.
URL Start Time (Ms) Duration (Ms)
https://browser.sentry-cdn.com/6.2.2/bundle.min.js
1753
173
https://static.arc.io/widget/js/chunk-2d0cf2b3.js?d98d2542
2947.0039196014
95
https://pagead2.googlesyndication.com/pagead/managed/js/adsense/m202212050101/show_ads_impl_fy2021.js
1341
75
https://tpc.googlesyndication.com/sodar/sodar2/225/runner.html
2450
67
Avoid non-composited animations
It is recommended to avoid non-composited animations which are often janky and increase CLS.
Image elements have explicit `width` and `height`
Reduce layout shifts and improve CLS by setting explicit width and height properties on image elements.
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
It is advised to use a '<meta name="viewport">' tag for the optimization of visualmath.art on mobile screens.
Avoids `unload` event listeners
The 'unload' event does not fire reliably, causing issues with browser optimizations such as the Back-Forward Cache. It is recommended that 'pagehide' or 'visibilitychange' events are used instead.

Budgets

Performance budget
It is advised to keep the quantity and size of all network requests under the targets set by the provided performance budget.
Timing budget
It is advised to set a timing budget to monitor the performance of your site.

Audits

Network Requests
Below is a list of network requests that were made during page load.
URL Protocol Start Time (Ms) End Time (Ms) Transfer Size (Bytes) Resource Size (Bytes) Status Code MIME Type Resource Type
http://visualmath.art/
http/1.1
0
96.977999899536
769
0
301
text/plain
https://visualmath.art/
h2
97.459000069648
525.56900028139
38307
104420
200
text/html
Document
https://arc.io/widget.min.js
h2
536.78900003433
610.26800004765
3525
7592
200
application/javascript
Script
https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js?client=ca-pub-6804325669459767
h2
537.07299986854
561.55300000682
50097
145960
200
text/javascript
Script
https://visualmath.art/resources/nebulamain.js
h2
537.42300020531
795.75899988413
40959
65306
200
application/javascript
Script
https://visualmath.art/style/main.css
h2
537.58000023663
795.11799989268
2810
6192
200
text/css
Stylesheet
https://visualmath.art/uv/uv.bundle.js
h2
537.78599994257
807.33000021428
194263
763060
200
application/javascript
Script
https://visualmath.art/uv/uv.config.js
h2
537.91900025681
826.64400013164
958
232
200
application/javascript
Script
https://visualmath.art/osana/osana.bundle.js
h2
538.17000007257
805.51900016144
108427
375547
200
application/javascript
Script
https://visualmath.art/osana/osana.config.js
h2
538.37400022894
803.24000027031
1025
338
200
application/javascript
Script
https://cdn.discordapp.com/attachments/1055618523768041594/1055659400880210010/haikei_ad.png
h2
820.06100006402
859.98000018299
45896
44398
200
image/png
Image
https://static.cloudflareinsights.com/beacon.min.js/vaafb692b2aea4879b33c060e79fe94621666317369993
h2
821.01000007242
897.08899985999
6530
17031
200
text/javascript
Script
https://pagead2.googlesyndication.com/pagead/managed/js/adsense/m202212050101/show_ads_impl_fy2021.js
h2
821.42700022087
871.77400011569
120712
364719
200
text/javascript
Script
https://googleads.g.doubleclick.net/pagead/html/r20230111/r20190131/zrt_lookup.html
h2
612.32399987057
620.46599993482
4995
9772
200
text/html
Document
https://static.arc.io/widget/js/core.js?13acafc
h2
618.56100009754
662.84900018945
106302
317494
200
text/javascript
Script
https://core.arc.io/broker.html?13acafc
h2
626.78600009531
675.685999915
1429
1554
200
text/html
Document
https://static.arc.io/broker/js/broker.b281d075.js
h2
687.74199998006
779.97000003234
10517
24373
200
application/javascript
Script
https://static.arc.io/broker/js/chunk-vendors.5e1d8045.js
h2
688.57500003651
775.17700009048
20454
50126
200
application/javascript
Script
https://static.arc.io/broker/js/lazy-iwc.9b430e25.js
h2
697.8830001317
722.04300016165
5748
0
200
application/javascript
Other
https://static.arc.io/broker/js/lazy-modules.a169b1ec.js
h2
698.03400011733
781.13000001758
16598
0
200
application/javascript
Other
https://static.arc.io/widget/js/vendors~widget-ui.js?c9b0de53
h2
821.93400012329
837.0059998706
35334
95869
200
application/javascript
Script
https://static.arc.io/widget/css/widget.css?13acafc
h2
739.62800018489
796.35700024664
9817
86751
200
text/css
Stylesheet
https://static.arc.io/widget/js/widget-ui.js?7a51e653
h2
822.27700017393
854.71000010148
14878
41206
200
text/javascript
Script
https://browser.sentry-cdn.com/6.2.2/bundle.min.js
h2
822.45399989188
834.65099986643
21124
66956
200
application/javascript
Script
https://fonts.googleapis.com/css2?family=Dongle&family=Roboto:wght@100&display=swap
h2
818.59799986705
843.15800014883
14455
59412
200
text/css
Stylesheet
https://fonts.googleapis.com/css2?family=Montserrat:ital,wght@1,100&display=swap
h2
818.83000023663
833.64900015295
1328
1852
200
text/css
Stylesheet
data
973.08500017971
974.66399986297
0
34969
200
image/png
Image
https://fonts.gstatic.com/s/roboto/v30/KFOkCnqEu92Fr1MmgVxIIzIXKMny.woff2
h2
981.78700031713
994.03000017628
11900
10972
200
font/woff2
Font
https://fonts.gstatic.com/s/montserrat/v25/JTUFjIg1_i6t8kCHKm459Wx7xQYXK0vOoz6jq6R8WXh0oJC8MLnbtg.woff
h2
982.49900015071
989.52200030908
16254
15328
200
font/woff
Font
https://partner.googleadservices.com/gampad/cookie.js?domain=visualmath.art&callback=_gfp_s_&client=ca-pub-6804325669459767&gpid_exp=1
h2
1077.0789999515
1089.6760001779
895
395
200
text/javascript
Script
https://adservice.google.com/adsid/integrator.js?domain=visualmath.art
h2
1096.6079998761
1111.612000037
758
107
200
application/javascript
Script
https://pagead2.googlesyndication.com/pagead/gen_204?id=ach_evt&url=https%3A%2F%2Fvisualmath.art%2F&tn=DIV&id=navbar&ign=false&pw=1350&ph=940&x=0&y=0
h2
1097.0920003019
1107.8090001829
601
0
204
image/gif
Image
https://googleads.g.doubleclick.net/pagead/ads?client=ca-pub-6804325669459767&output=html&adk=1812271804&adf=3025194257&lmt=1671761363&plat=2%3A16777216%2C4%3A16%2C9%3A32776%2C16%3A8388608%2C17%3A32%2C24%3A32%2C25%3A32%2C30%3A1081344%2C32%3A32%2C41%3A32&plas=425x742_l&format=0x0&url=https%3A%2F%2Fvisualmath.art%2F&ea=0&pra=5&wgl=1&uach=WyJtYWNPUyIsIjEwLjE1LjciLCJ4ODYiLCIiLCI5OC4wLjQ2OTUuMCIsW10sZmFsc2UsbnVsbCwiIixbXSxmYWxzZV0.&dt=1673971994582&bpp=226&bdt=72&idt=457&shv=r20230111&mjsv=m202212050101&ptt=9&saldr=aa&abxe=1&nras=1&correlator=3832075388247&frm=20&pv=2&ga_vid=1451111956.1673971995&ga_sid=1673971995&ga_hid=980975779&ga_fc=0&u_tz=-480&u_his=2&u_h=600&u_w=800&u_ah=600&u_aw=800&u_cd=24&u_sd=1&dmc=8&adx=-12245933&ady=-12245933&biw=1350&bih=940&scr_x=0&scr_y=0&eid=44759876%2C44759927%2C44759837%2C44779793%2C31071579&oid=2&pvsid=3497834809008229&tmod=672834980&uas=0&nvt=1&eae=2&fc=1920&brdim=0%2C0%2C0%2C0%2C800%2C0%2C1%2C1%2C1350%2C940&vis=1&rsz=%7C%7Cs%7C&abl=NS&fu=32768&bc=31&ifi=1&uci=a!1&fsb=1&dtd=503
h2
1115.364999976
1139.6150002256
867
603
200
text/html
Document
https://static.arc.io/broker/js/lazy-modules.a169b1ec.js
h2
1119.6860000491
1148.3570002019
16591
46511
200
application/javascript
Script
https://visualmath.art/verification
h2
1175.401000306
1388.027000241
620
5
200
text/plain
XHR
https://static.arc.io/widget/css/widget.css?13acafc
h2
1426.1139999144
1426.9210002385
9817
86751
200
text/css
Stylesheet
https://cdnjs.cloudflare.com/ajax/libs/normalize/8.0.0/normalize.min.css
h2
1429.1119999252
1454.4890001416
1635
1842
200
text/css
Stylesheet
https://static.arc.io/widget/css/widget.css?13acafc
h2
1455.5629999377
1456.1140001751
9817
86751
200
text/css
Stylesheet
https://cdnjs.cloudflare.com/ajax/libs/normalize/8.0.0/normalize.min.css
h2
1457.8360002488
1481.5360000357
1639
1842
200
text/css
Stylesheet
data
1477.0440002903
1477.3699999787
0
411
200
image/svg+xml
Image
data
1477.5510001928
1477.7049999684
0
411
200
image/svg+xml
Image
data
1477.8909999877
1478.0530002899
0
277
200
image/png
Image
data
1480.5950000882
1480.9469999745
0
1890
200
image/svg+xml
Image
data
1482.9950002022
1483.3940002136
0
3040
200
image/svg+xml
Image
data
1486.1570000648
1486.5609998815
0
1540
200
image/svg+xml
Image
data
1489.4530000165
1489.7350003012
0
1500
200
image/svg+xml
Image
data
1491.7040001601
1492.0979999006
0
1327
200
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Fetch
Network Round Trip Times — 0 ms
High Network RTT (Round Trip Times) can have a large impact on performance. Providing servers geographically closer to the user could improve performance.
Server Backend Latencies — 0 ms
High server latencies indicate the server is overloaded or has a poor backend performance.
Tasks
Below is a list of the top-level main thread tasks that executed during page load.
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Diagnostics
Below is a collection of useful page vitals.
View Data
Metrics
Below is a collection of metrics.
View Data
Script Treemap Data
Provide as required, for treemap app.

Metrics

First Contentful Paint — 1.4 s
The time taken for the first image or text on the page to be rendered.
Time to Interactive — 3.1 s
The time taken for the page to become fully interactive.
Speed Index — 1.4 s
The time taken for the page contents to be visibly populated.
Total Blocking Time — 180 ms
The total blocking time is the sum of all time periods between First Contentful Paint and Time to Interactive (when task length exceeded 50ms).
Largest Contentful Paint — 1.7 s
The timing of the largest text or image that is painted.

Audits

Max Potential First Input Delay — 170 ms
Users could experience a delay when interacting with the page.
First Meaningful Paint — 1.4 s
The time taken for the primary content of the page to be rendered.

Other

Eliminate render-blocking resources — Potential savings of 160 ms
Resources, such as JavaScript and style sheets, can block the first paint of the page. Visualmath.art should consider delivering critical JavaScript/style sheets (JS/CSS) inline and deferring all non-critical JS/CSS.
URL Transfer Size (Bytes) Potential Savings (Ms)
https://visualmath.art/resources/nebulamain.js
40959
160
Reduce unused JavaScript — Potential savings of 391 KiB
It is advised to remove unused JavaScript in order to reduce bytes consumed by network activity.
URL Transfer Size (Bytes) Potential Savings (Bytes)
https://visualmath.art/uv/uv.bundle.js
194263
90073
https://pagead2.googlesyndication.com/pagead/managed/js/adsense/m202212050101/show_ads_impl_fy2021.js
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https://static.arc.io/widget/js/core.js?13acafc
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https://visualmath.art/osana/osana.bundle.js
108427
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https://visualmath.art/resources/nebulamain.js
40959
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https://static.arc.io/broker/js/lazy-modules.a169b1ec.js
46511
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https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js?client=ca-pub-6804325669459767
50097
25729

Other

Serve static assets with an efficient cache policy — 11 resources found
Visualmath.art can speed up repeat visits by increasing the cache lifetime, which is essentially how long before a cached copy expires.
URL Cache TTL (Ms) Transfer Size (Bytes)
https://visualmath.art/uv/uv.bundle.js
14400000
194263
https://visualmath.art/osana/osana.bundle.js
14400000
108427
https://visualmath.art/resources/nebulamain.js
14400000
40959
https://visualmath.art/style/main.css
14400000
2810
https://visualmath.art/osana/osana.config.js
14400000
1025
https://visualmath.art/uv/uv.config.js
14400000
958
https://static.cloudflareinsights.com/beacon.min.js/vaafb692b2aea4879b33c060e79fe94621666317369993
86400000
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https://static.arc.io/broker/js/chunk-vendors.5e1d8045.js
2592000000
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https://static.arc.io/broker/js/lazy-iwc.9b430e25.js
2592000000
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100

Accessibility

Indicates how accessible the page is and highlights opportunities where the page can be made more accessible to users of visualmath.art. This includes details about various page attributes that can be optimized.

Navigation

`[accesskey]` values are unique
Access keys assist users with focusing on different parts of the page. Each access key should be unique for proper navigation.
The page contains a heading, skip link, or landmark region
It is advised to provide ways to bypass repetitive content, allowing users to navigate the page efficiently.
`[id]` attributes on active, focusable elements are unique
Ensure all focusable elements have a unique id value to allow them to be visible to users of assistive technologies, like a screen reader.
Heading elements appear in a sequentially-descending order
Properly order all headers and do not skip heading levels to better the navigation and readability for users of assistive technologies, like a screen reader.
No element has a `[tabindex]` value greater than 0
Although technically valid, a tabindex value greater than 0 often creates frustrating experiences for users who rely on assistive technologies.

ARIA

`[aria-*]` attributes match their roles
Avoid mismatching 'aria-*' attributes and their 'role' value, as it invalidates the attribute.
`button`, `link`, and `menuitem` elements have accessible names
Without accessible names on elements, screen readers will default to announcing a generic name, which means your content will be less accessible to users who rely on screen readers.
`[aria-hidden="true"]` is not present on the document `<body>`
If aria-hidden=true is set on the document body, assistive technologies, like a screen reader will work inconsistently.
`[aria-hidden="true"]` elements do not contain focusable descendents
Interactive elements within an aria-hidden=true element are unavailable to users of assistive technologies, like a screen reader.
ARIA input fields have accessible names
Generic names are announced to users of assistive technologies, like a screen reader, when an input field does not have an accessible name specified.
ARIA `meter` elements have accessible names
Without accessible names on elements, screen readers will default to announcing a generic name, which means your content will be less accessible to users who rely on screen readers.
ARIA `progressbar` elements have accessible names
Without accessible names on elements, screen readers will default to announcing a generic name, which means your content will be less accessible to users who rely on screen readers.
`[role]`s have all required `[aria-*]` attributes
Some ARIA roles have required 'aria-*' attributes, which provide essential information about state and functionality.
Elements with an ARIA `[role]` that require children to contain a specific `[role]` have all required children.
Some ARIA parent roles cannot perform their intended functions if specific child roles are not used.
`[role]`s are contained by their required parent element
Some ARIA child roles cannot perform their intended functions if specific parent roles are not used.
`[role]` values are valid
All ARIA roles require valid values to perform their intended functions.
ARIA toggle fields have accessible names
Generic names are announced to users of assistive technologies, like a screen reader, when a toggle field does not have an accessible name specified.
ARIA `tooltip` elements have accessible names
Without accessible names on elements, screen readers will default to announcing a generic name, which means your content will be less accessible to users who rely on screen readers.
ARIA `treeitem` elements have accessible names
Without accessible names on elements, screen readers will default to announcing a generic name, which means your content will be less accessible to users who rely on screen readers.
`[aria-*]` attributes have valid values
ARIA attributes cannot be interpreted with invalid values when used by screen readers and other assistive technologies.
`[aria-*]` attributes are valid and not misspelled
ARIA attributes cannot be interpreted with invalid names when used by screen readers and other assistive technologies.
ARIA IDs are unique
Ensure all ARIA ID values are unique to prevent elements from being overlooked by assistive technologies, like a screen reader.

Names and labels

Buttons have an accessible name
Buttons become unusable as they are announced simply as "button" when the button does not have an accessible name, when used by screen readers and other assistive technologies.
Document has a `<title>` element
Search engines, screen reader users and other assistive technology users rely on the title to provide an overview of the page and to help determine if the page is relevant to their search.
No form fields have multiple labels
Having multiple labels for form fields can be confusing to assistive technologies, like a screen reader.
`<frame>` or `<iframe>` elements have a title
Screen reader users and other assistive technology users rely on frame titles to describe the contents of frames.
Image elements have `[alt]` attributes
Provide short and descriptive alternative text where possible on informative elements.
`<input type="image">` elements have `[alt]` text
Input buttons with alternative text assist screen readers and other assistive technology users to understand its purpose.
Form elements have associated labels
Screen readers and other assistive technologies rely on labels to properly announce form controls.
Links have a discernible name
In order to improve the navigation for screen reader and other assistive technology users, use link text that is unique, focusable and discernible.
`<object>` elements have alternate text
It is advised that alt text is used on '<object>' elements in order to provide meaning to screen reader and other assistive technology users, as these technologies are unable to translate non-text content.

Contrast

Background and foreground colors have a sufficient contrast ratio
Many (if not most) users find low-contrast text difficult or impossible to read.

Tables and lists

`<dl>`'s contain only properly-ordered `<dt>` and `<dd>` groups, `<script>`, `<template>` or `<div>` elements.
Screen readers and other assistive technologies may produce poor and inaccurate output when definition lists are not properly marked up.
Definition list items are wrapped in `<dl>` elements
In order for screen readers and other assistive technologies to properly announce definition list items ('<dt>' and '<dd>'), they must be wrapped in parent a '<dl>' element.
Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
Use proper list structure to aid screen readers and other assistive technologies.
List items (`<li>`) are contained within `<ul>` or `<ol>` parent elements
In order for screen readers to announce list items, ensure that list items ('<li>') are contained within parent '<ul>' or '<ol>' tags.
Cells in a `<table>` element that use the `[headers]` attribute refer to table cells within the same table.
Screen readers and other assistive technologies have features to make navigating tables easier. Ensure that '<td>' cells using the headers attribute only refer to other cells in the same table, to improve screen reader user experience.
`<th>` elements and elements with `[role="columnheader"/"rowheader"]` have data cells they describe.
Screen readers and other assistive technologies have features to make navigating tables easier. Ensure that table headers refer to some set of cells, to improve screen reader user experience.

Internationalization and localization

`<html>` element has a `[lang]` attribute
It is advised to provide a lang attribute so that screen readers and other assistive technologies are guaranteed to announce the page's text correctly. When not provided, the user's default language setting will be used which may cause inaccuracies.
`<html>` element has a valid value for its `[lang]` attribute
Specify a valid BCP 47 language in order to help screen readers and other assistive technologies announce text properly.
`[lang]` attributes have a valid value
Specify a valid BCP 47 language on elements in order to help screen readers and other assistive technologies announce text properly.

Best practices

The document does not use `<meta http-equiv="refresh">`
Pages that refresh automatically cause a poor user experience as focus is directed back to the top of the page unexpectedly.
`[user-scalable="no"]` is not used in the `<meta name="viewport">` element and the `[maximum-scale]` attribute is not less than 5.
For users with low vision who rely on screen magnification, ensure that zooming is not disabled.

Audio and video

`<video>` elements contain a `<track>` element with `[kind="captions"]`
Visualmath.art may provide assistance to deaf or hearing-impaired users with captions on videos.

Manual Checks

The page has a logical tab order
The visual layout should be logical in its tab order and users cannot focus elements that are offscreen.
Interactive controls are keyboard focusable
Ensure that custom interactive controls are keyboard focusable and that a focus indicator is displayed.
Interactive elements indicate their purpose and state
Ensure that interactive elements (such as links and buttons) are distinguishable from non-interactive elements and that they indicate their state.
The user's focus is directed to new content added to the page
When new content (such as a dialogue) is added to the page, the user's focus should be directed to it.
User focus is not accidentally trapped in a region
Avoid focus being accidentally trapped when a user tabs in and out of controls or regions on page.
Custom controls have associated labels
Ensure that custom interactive controls have associated labels, which are provided by aria-label and aria-labelledby attributes.
Custom controls have ARIA roles
Ensure that all custom interactive controls have appropriate ARIA roles.
Visual order on the page follows DOM order
Ensure that the DOM order matches with the page's visual order, in order to improve navigation for screen readers and other assistive technologies.
Offscreen content is hidden from assistive technology
Ensure that offscreen content is hidden through the use of "display:none" styling or the aria-hidden attribute.
HTML5 landmark elements are used to improve navigation
Elements such as <main> and <nav> are recommended as they are used by screen readers and other assistive technologies to improve keyboard navigation.
75

Best Practices

Indicates the recommended, best practices currently in place on the page and highlights the best practices that visualmath.art should incorporate. This includes practices such as protecting pages with HTTPS.

Audits

Avoids requesting the geolocation permission on page load
When requesting a user's location, provide context or consider tying the request to a user action to avoid confusion and mistrust from users.
Avoids requesting the notification permission on page load
When requesting permission to send notifications, provide context or consider tying the request to a user action to avoid confusion and mistrust from users.
Avoids front-end JavaScript libraries with known security vulnerabilities
Ensure that the use of third-party scripts is minimal and that only trusted third-party scripts are used as some may contain known security vulnerabilities which may be exploited by attackers.
Ensure CSP is effective against XSS attacks
Significantly reduce the risk of cross-site scripting attacks (XSS) by ensuring you have a strong Content Security Policy (CSP).
Description Directive Severity
No CSP found in enforcement mode
High

Audits

Allows users to paste into password fields
Ensure that password inputs may be pasted into to aid in the user's ability to use password managers and improve security.
Displays images with correct aspect ratio
Ensure that image display dimensions match their natural aspect ratio.
Serves images with appropriate resolution
For maximum image clarity, ensure images have natural dimensions and are proportional to the display size and pixel ratio.
Fonts with `font-display: optional` are preloaded
It is recommended that optional fonts are preloaded.

Audits

Page has the HTML doctype
Ensure a doctype is specified to prevent the browser from switching to quirks-mode.
Properly defines charset
It is advised to declare a character encoding, optionally via a <meta> tag in the first 1024 bytes of the HTML or in the Content-Type HTTP response header.

Audits

Detected JavaScript libraries
Below is a list of all front-end JavaScript libraries that were detected on the page.
Name Version
Vue
core-js
core-js-global@3.16.3
No issues in the `Issues` panel in Chrome Devtools
There may be unresolved issues logged to Chrome Devtools.

Audits

Does not use HTTPS — 1 insecure request found
Ensure that all pages are protected with HTTPS (including those that do not handle sensitive data) as HTTPS prevents tampering and passive listening on communications between the app and its users. Additionally, HTTPS is a prerequisite for HTTP/2 and many new web platform APIs.
Insecure URL Request Resolution
http://visualmath.art/
Allowed

Audits

Uses deprecated APIs — 1 warning found
Avoid deprecated APIs which will eventually be removed the browser.
Deprecation / Warning Source
Synchronous `XMLHttpRequest` on the main thread is deprecated because of its detrimental effects to the end user’s experience. For more help, check https://xhr.spec.whatwg.org/.
SHOW DETAILS
Browser errors were logged to the console
Below is a list of all errors logged to the console, which indicate unresolved problems on the site.
Source Description
SHOW DETAILS
Error: connection error to wss://tkr.arc.io/announce at _ws.onerror (https://static.arc.io/widget/js/core.js?13acafc:15:1541) at <anonymous>:12:370
SHOW DETAILS
ReferenceError: chrome is not defined at https://visualmath.art/resources/nebulamain.js:286:46
Missing source maps for large first-party JavaScript
Consider deploying source maps for added benefits such as the ability to debug while in production.
URL Map URL
https://visualmath.art/uv/uv.bundle.js
https://static.arc.io/widget/js/chunk-2d0cf2b3.js?d98d2542
https://pagead2.googlesyndication.com/bg/JwRg8GnJRbSbwgtubA3x1Twn6jgCPCxSQn9TsX0K1wE.js
https://browser.sentry-cdn.com/6.2.2/bundle.min.js
https://browser.sentry-cdn.com/6.2.2/bundle.min.js.map
90

SEO

Indicates how well the page is optimized for ranking in search engines and highlights Search Engine Optimization (SEO) opportunities for visualmath.art. This includes optimizations such as providing meta data.

Mobile Friendly

Has a `<meta name="viewport">` tag with `width` or `initial-scale`
It is advised to use a '<meta name="viewport">' tag for the optimization of visualmath.art on mobile screens.
Document uses legible font sizes
Font sizes of 12px or less are too small to most mobile users without user gestures and further action. Aim for more than 60% of page text to use font sizes greater than 12px.
Tap targets are sized appropriately
Interactive elements (such as buttons and links) should be appropriately spaced, sized and easy enough to select or tap with regard to their surrounding elements.

Content Best Practices

Document has a `<title>` element
Search engines, screen reader users and other assistive technology users rely on the title to provide an overview of the page and to help determine if the page is relevant to their search.
Document has a meta description
Meta descriptions may be used by search engines when displaying a link to the page and should concisely summarize the page's content.
Links have descriptive text
Make use of descriptive link text to assist search engines in understanding the content.
Image elements have `[alt]` attributes
Provide short and descriptive alternative text where possible on informative elements.
Document has a valid `hreflang`
Search engines can be instructed to list specific versions of a page for a given language or region through the use of hreflang links.
Document has a valid `rel=canonical`
Search engines can be suggested which URL should be shown in search results through the use of canonical links.
Document avoids plugins
The content of plugins cannot be indexed by search engines and many devices either restrict or do not support them.

Crawling and Indexing

Page has successful HTTP status code
Avoid pages with unsuccessful HTTP status codes as they may not be indexed by search engines.
Page isn’t blocked from indexing
Pages that cannot be crawled by search engines cannot be indexed or included in their search results. Ensure that search engines have permission to crawl all pages that should be indexed.
robots.txt is valid
Malformed robots.txt files prevent crawlers from understanding how a site wants to be crawled or indexed, which can be devastating to SEO.

Crawling and Indexing

Links are not crawlable
Ensure that the 'href' attribute of anchor elements links to the appropriate destination. This allows for more pages of the site to be discovered by search engines.

Manual Checks

Structured data is valid
Structured data can be validated through the use of the Structured Data Testing Tool and the Structured Data Linter.
22

PWA

Indicates how valid the aspects of a Progressive Web App (PWA) are for the page and highlights opportunities to enable/improve the PWA of visualmath.art. This includes details about web app manifests.

PWA Optimized

Content is sized correctly for the viewport
Ensure that the width of the app's content matches the width of the viewport, otherwise the app might not be optimized for mobile screens.
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
It is advised to use a '<meta name="viewport">' tag for the optimization of visualmath.art on mobile screens.

Installable

Web app manifest or service worker do not meet the installability requirements — 1 reason
User engagement may be increased by leveraging the browsers ability to proactively prompt users to add the app to their homescreen.
Failure reason
No manifest was fetched

PWA Optimized

Does not register a service worker that controls page and `start_url`
A service worker is used to provide Progressive Web Apps the use of features such as working offline, the ability for the app to be added to the homescreen as well as push notifications.
Is not configured for a custom splash screen
Themed splash screens ensure a high-quality user experience at launch for app users.
View Data
Does not set a theme color for the address bar.
A theme may be applied to the browser address bar, which ideally can be made to match the site.
View Data
Does not provide a valid `apple-touch-icon`
iOS users of Progressive Web Apps will benefit from an apple touch icon, which can be defined with 'apple-touch-icon', which must point to a non-transparent 192px (or 180px) square PNG.
Manifest doesn't have a maskable icon
Maskable icons are great to ensure that images fill the entire shape when installing the app on a device.

Manual Checks

Site works cross-browser
Ensure that the Progressive Web App works correctly across every major browser.
Page transitions don't feel like they block on the network
Users perceive apps with responsive, snappy transitions as higher peforming and ensures a great user experience, even on a slow network.
Each page has a URL
Ensure that all pages are deep linkable via URL. They should also be unique for the purpose of shareability on social media.
Avg. (All Categories) 63
Performance 27
Accessibility 100
Best Practices 75
SEO 92
PWA 20
0–49 (Fail) 50–89 (Average) 90–100 (Pass)
Simulate loading on mobile
27

Performance

Indicates how well the page is performing and highlights opportunities where performance may be improved for visualmath.art. This includes details about optimizing page load times which can result in a better user experience.

Metrics

Cumulative Layout Shift — 0
Cumulative Layout Shift is the measurement of visible elements collective movement within the viewport.
View Data

Other

Properly size images — Potential savings of 32 KiB
Images can slow down the page's load time. Visualmath.art should consider serving more appropriate-sized images.
URL Resource Size (Bytes) Potential Savings (Bytes)
34969
32552
Defer offscreen images
Time to Interactive can be slowed down by resources on the page. Visualmath.art should consider lazy-loading offscreen and hidden images.
Minify CSS
Cascading Style Sheets (CSS) files can contribute to network payload sizes. Visualmath.art should consider minifying CSS files.
Minify JavaScript
JavaScript (JS) files can contribute to network payload sizes and increase script parse times. Visualmath.art should consider minifying JS files.
Reduce unused CSS — Potential savings of 14 KiB
Dead and/or unused rules in Style Sheets (CSS) can contribute to network payload sizes. Visualmath.art should consider removing dead rules from style sheets and deferring the loading of CSS not used for above-the-fold content.
URL Transfer Size (Bytes) Potential Savings (Bytes)
https://fonts.googleapis.com/css2?family=Dongle&family=Roboto:wght@100&display=swap
14505
14505
Efficiently encode images
Unoptimized images can consume more cellular data than what is necessary.
Enable text compression
Text-based resources should be served with compression, such as gzip, deflate or brotli.
Preconnect to required origins
Resource hints, such as 'preconnect' or 'dns-prefetch', may assist in establishing early connections to important third-party origins.
Initial server response time was short — Root document took 380 ms
It is advised to keep the server response time short for the main document, because all other requests depend on it.
URL Time Spent (Ms)
https://visualmath.art/
381.077
Avoid multiple page redirects — Potential savings of 630 ms
Redirects can cause additional delays before the page can begin loading. Visualmath.art should avoid multiple or unnecessary page redirects.
URL Time Spent (Ms)
http://visualmath.art/
630
https://visualmath.art/
0
Preload key requests
Key requests can be preloaded by using '<link rel=preload>'. Visualmath.art should consider using '<link rel=preload>' to prioritize fetching resources that are currently requested later in page load.
Use video formats for animated content
Large GIFs are inefficient for delivering animated content. It is recommended to use MPEG4/WebM videos for animations and PNG/WebP for static images instead of GIF.
Remove duplicate modules in JavaScript bundles
Ensure that no duplicate JavaScript modules from bundles exist to reduce bytes consumed by network activity.
Avoid serving legacy JavaScript to modern browsers — Potential savings of 0 KiB
Polyfills and transforms enable legacy browsers to use new JavaScript features. For bundled JavaScript it is recommended to adopt a modern script deployment strategy using module/nomodule feature detection. This will reduce the amount of code shipped to modern browsers.
URL Potential Savings (Bytes)
https://static.arc.io/widget/js/core.js?13acafc
67
https://static.arc.io/broker/js/lazy-modules.a169b1ec.js
66
Preload Largest Contentful Paint image
It is recommended to preload images used by LCP elements, to improve LCP time.
URL Potential Savings (Ms)
https://cdn.discordapp.com/attachments/1055618523768041594/1055659400880210010/haikei_ad.png
0
Avoids enormous network payloads — Total size was 1,687 KiB
Large network payloads can cost users money and are linked to long load times.
URL Transfer Size (Bytes)
https://static.arc.io/widget/js/chunk-2d0cf2b3.js?d98d2542
706309
https://visualmath.art/uv/uv.bundle.js
194255
https://pagead2.googlesyndication.com/pagead/managed/js/adsense/m202212050101/show_ads_impl_fy2021.js
120719
https://visualmath.art/osana/osana.bundle.js
108401
https://static.arc.io/widget/js/core.js?13acafc
106302
https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js?client=ca-pub-6804325669459767
50103
https://cdn.discordapp.com/attachments/1055618523768041594/1055659400880210010/haikei_ad.png
45894
https://visualmath.art/resources/nebulamain.js
40955
https://visualmath.art/
38320
https://static.arc.io/widget/js/vendors~widget-ui.js?c9b0de53
35334
Avoids an excessive DOM size — 101 elements
A large DOM (Document Object Model) will increase memory usage, cause longer system calculations as well as costly layout reflows.
Statistic Element Value
Total DOM Elements
101
Maximum DOM Depth
:
7
Maximum Child Elements
body
16
Avoid chaining critical requests — 7 chains found
Below is a list of Critical Request Chains, which shows which resources are loaded with a high priority. Visualmath.art should consider reducing the length of chains, reducing the download size of resources, or deferring the download of unnecessary resources to improve page load.
User Timing marks and measures — 15 user timings
Make use of the User Timing API to measure an app's real-world performance during key user experiences.
Name Type Start Time (Ms) Duration (Ms)
arc:widget.js:load
Measure
437
125.099
arc:broker.html:load
Measure
564.918
135.839
arc:core.js:load
Measure
567.996
119.968
arc:broker.html:establish_rpc
Measure
700.865
35.298
arc:broker.html:establish_rpc
Measure
1295.104
36.091
arc:ws_tracker:connect:ipz:start
Mark
564.619
arc:broker.html:load:4qj:start
Mark
564.924
arc:core.js:load:8s6:start
Mark
568.015
arc:p2p-client:ready
Mark
687.758
arc:core.js:load:8s6:end
Mark
687.971
arc:broker.html:load:4qj:end
Mark
700.771
arc:broker.html:establish_rpc:dgb:start
Mark
700.872
arc:broker.html:establish_rpc:dgb:end
Mark
736.175
arc:broker.html:establish_rpc:76p:start
Mark
1295.122
arc:broker.html:establish_rpc:76p:end
Mark
1331.219
All text remains visible during webfont loads
Make use of the font-display CSS feature, which will ensure text is user-visible while webfonts are loading.
Keep request counts low and transfer sizes small — 56 requests • 1,687 KiB
It is advised to add a budgets.json file in order to set budgets for the quantity and size of page resources.
Resource Type Requests Transfer Size (Bytes)
Total
56
1727429
Script
25
1512424
Document
6
52894
Stylesheet
8
51474
Image
3
46926
Other
12
38923
Font
2
24788
Media
0
0
Third-party
46
1338981
Lazy load third-party resources with facades
Consider replacing third-party embeds with a facade until they are required (use lazy loading).
Largest Contentful Paint element — 1 element found
The element which was identified as the Largest Contentful Paint.
Element
ad1
Largest Contentful Paint image was not lazily loaded
Above-the-fold images that are lazily loaded render later in the page lifecycle, which can delay the largest contentful paint.
Element
ad1
Avoid large layout shifts — 1 element found
Below is a list of all DOM elements that contribute to the CLS of the page.
Element CLS Contribution
Explore the web freely
0.00021743774414062
Uses passive listeners to improve scrolling performance
Improve the page's scroll performance by marking touch and wheel event listeners as 'passive'.
Avoids `document.write()`
Avoid or limit the use of external scripts that are dynamically injected via 'document.write()' as users on slow connections will be delayed by tens of seconds.
Avoid long main-thread tasks — 15 long tasks found
Below is a list of the longest tasks on the main thread, which is useful when identifying the worst input delay contributors.
URL Start Time (Ms) Duration (Ms)
https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js?client=ca-pub-6804325669459767
7871
617
https://static.arc.io/widget/js/chunk-2d0cf2b3.js?d98d2542
14122
436
https://pagead2.googlesyndication.com/pagead/managed/js/adsense/m202212050101/show_ads_impl_fy2021.js
5966
248
https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js?client=ca-pub-6804325669459767
6214
213
https://visualmath.art/uv/uv.bundle.js
6562
169
https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js?client=ca-pub-6804325669459767
3442
124
https://tpc.googlesyndication.com/sodar/sodar2/225/runner.html
10106
101
https://tpc.googlesyndication.com/sodar/sodar2/225/runner.html
10207
81
https://tpc.googlesyndication.com/sodar/sodar2/225/runner.html
10337
75
https://tpc.googlesyndication.com/sodar/sodar2/225/runner.html
10412
71
https://browser.sentry-cdn.com/6.2.2/bundle.min.js
6433
61
https://tpc.googlesyndication.com/sodar/sodar2/225/runner.html
10579
57
Unattributable
644
56
https://visualmath.art/
1260
52
https://tpc.googlesyndication.com/sodar/sodar2/225/runner.html
10529
50
Avoid non-composited animations
It is recommended to avoid non-composited animations which are often janky and increase CLS.
Image elements have explicit `width` and `height`
Reduce layout shifts and improve CLS by setting explicit width and height properties on image elements.
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
It is advised to use a '<meta name="viewport">' tag for the optimization of visualmath.art on mobile screens.
Avoids `unload` event listeners
The 'unload' event does not fire reliably, causing issues with browser optimizations such as the Back-Forward Cache. It is recommended that 'pagehide' or 'visibilitychange' events are used instead.

Budgets

Performance budget
It is advised to keep the quantity and size of all network requests under the targets set by the provided performance budget.
Timing budget
It is advised to set a timing budget to monitor the performance of your site.

Audits

Network Requests
Below is a list of network requests that were made during page load.
URL Protocol Start Time (Ms) End Time (Ms) Transfer Size (Bytes) Resource Size (Bytes) Status Code MIME Type Resource Type
http://visualmath.art/
http/1.1
0
54.45499997586
780
0
301
text/plain
https://visualmath.art/
h2
54.847000166774
434.93400001898
38320
104420
200
text/html
Document
https://arc.io/widget.min.js
h2
446.70399976894
556.47999979556
3525
7592
200
application/javascript
Script
https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js?client=ca-pub-6804325669459767
h2
446.92899985239
471.06599994004
50103
145970
200
text/javascript
Script
https://visualmath.art/resources/nebulamain.js
h2
447.22199998796
655.35299992189
40955
65306
200
application/javascript
Script
https://visualmath.art/style/main.css
h2
447.51199986786
483.92400005832
2805
6192
200
text/css
Stylesheet
https://visualmath.art/uv/uv.bundle.js
h2
447.93199980631
507.25399982184
194255
763060
200
application/javascript
Script
https://visualmath.art/uv/uv.config.js
h2
448.15699988976
480.39899999276
951
232
200
application/javascript
Script
https://visualmath.art/osana/osana.bundle.js
h2
448.35099996999
921.47899977863
108401
375588
200
application/javascript
Script
https://visualmath.art/osana/osana.config.js
h2
448.5599999316
480.02400016412
1030
338
200
application/javascript
Script
https://cdn.discordapp.com/attachments/1055618523768041594/1055659400880210010/haikei_ad.png
h2
710.86600003764
751.3330001384
45894
44398
200
image/png
Image
https://static.cloudflareinsights.com/beacon.min.js/vaafb692b2aea4879b33c060e79fe94621666317369993
h2
717.78000006452
798.5959998332
6530
17031
200
text/javascript
Script
https://pagead2.googlesyndication.com/pagead/managed/js/adsense/m202212050101/show_ads_impl_fy2021.js
h2
717.9270000197
758.86199995875
120719
364728
200
text/javascript
Script
https://googleads.g.doubleclick.net/pagead/html/r20230111/r20190131/zrt_lookup.html
h2
516.30300004035
525.96399979666
4995
9772
200
text/html
Document
https://static.arc.io/widget/js/core.js?13acafc
h2
563.67499986663
613.31899976358
106302
317494
200
text/javascript
Script
https://core.arc.io/broker.html?13acafc
h2
569.02199983597
592.0380000025
1431
1554
200
text/html
Document
https://static.arc.io/broker/js/broker.b281d075.js
h2
603.38599979877
614.80800015852
10507
24373
200
application/javascript
Script
https://static.arc.io/broker/js/chunk-vendors.5e1d8045.js
h2
603.69900008664
624.67900011688
20454
50126
200
application/javascript
Script
https://static.arc.io/broker/js/lazy-iwc.9b430e25.js
h2
605.12699978426
617.51100001857
5747
0
200
application/javascript
Other
https://static.arc.io/broker/js/lazy-modules.a169b1ec.js
h2
605.45099992305
627.16400017962
16584
0
200
application/javascript
Other
https://static.arc.io/widget/js/vendors~widget-ui.js?c9b0de53
h2
718.05999986827
732.04000014812
35334
95869
200
application/javascript
Script
https://static.arc.io/widget/css/widget.css?13acafc
h2
684.66599984095
701.22200017795
9852
86751
200
text/css
Stylesheet
https://static.arc.io/widget/js/widget-ui.js?7a51e653
h2
718.18900015205
750.29900018126
14906
41206
200
text/javascript
Script
https://browser.sentry-cdn.com/6.2.2/bundle.min.js
h2
718.27899990603
729.63299974799
21124
66956
200
application/javascript
Script
https://fonts.googleapis.com/css2?family=Dongle&family=Roboto:wght@100&display=swap
h2
716.56000008807
740.38100009784
14505
59902
200
text/css
Stylesheet
https://fonts.googleapis.com/css2?family=Montserrat:ital,wght@1,100&display=swap
h2
717.65800006688
731.50300001726
1326
1851
200
text/css
Stylesheet
https://static.arc.io/broker/js/lazy-modules.a169b1ec.js
h2
732.65800019726
763.55900010094
16584
46511
200
application/javascript
Script
https://partner.googleadservices.com/gampad/cookie.js?domain=visualmath.art&callback=_gfp_s_&client=ca-pub-6804325669459767&gpid_exp=1
h2
878.79899982363
890.656999778
899
395
200
text/javascript
Script
https://adservice.google.com/adsid/integrator.js?domain=visualmath.art
h2
887.01099995524
901.39999985695
758
107
200
application/javascript
Script
https://googleads.g.doubleclick.net/pagead/ads?client=ca-pub-6804325669459767&output=html&adk=1812271804&adf=3025194257&lmt=1671761363&plat=3%3A2162688%2C4%3A2162688%2C16%3A8388608%2C17%3A32%2C24%3A32%2C25%3A32%2C32%3A32%2C41%3A32&format=0x0&url=https%3A%2F%2Fvisualmath.art%2F&ea=0&pra=5&wgl=1&uach=WyJBbmRyb2lkIiwiNi4wIiwiIiwiTW90byBHNCIsIjk4LjAuNDY5NS4wIixbXSx0cnVlLG51bGwsIiIsW10sZmFsc2Vd&dt=1673972014768&bpp=212&bdt=67&idt=352&shv=r20230111&mjsv=m202212050101&ptt=9&saldr=aa&abxe=1&nras=1&correlator=1979156667185&frm=20&pv=2&ga_vid=1194273500.1673972015&ga_sid=1673972015&ga_hid=82050732&ga_fc=0&u_tz=-480&u_his=2&u_h=640&u_w=360&u_ah=640&u_aw=360&u_cd=24&u_sd=2.625&dmc=8&adx=-12245933&ady=-12245933&biw=360&bih=640&scr_x=0&scr_y=0&eid=44759876%2C44759927%2C44759837%2C44773810%2C44719339&oid=2&pvsid=3472135483542801&tmod=2116940509&uas=0&nvt=1&eae=2&fc=1920&brdim=0%2C0%2C0%2C0%2C360%2C0%2C360%2C640%2C360%2C640&vis=1&rsz=%7C%7Cs%7C&abl=NS&fu=32768&bc=31&ifi=1&uci=a!1&fsb=1&dtd=387
h2
901.00400010124
926.22999986634
867
603
200
text/html
Document
data
961.34999999776
962.76099979877
0
34969
200
image/png
Image
https://fonts.gstatic.com/s/roboto/v30/KFOkCnqEu92Fr1MmgVxIIzIXKMny.woff2
h2
976.57300019637
983.19299984723
11900
10972
200
font/woff2
Font
https://fonts.gstatic.com/s/montserrat/v25/JTUFjIg1_i6t8kCHKm459Wx7xQYXK0vOoz6jq6R8WXh0ppC6MLk.woff2
h2
976.73799982294
983.70799981058
12888
11960
200
font/woff2
Font
https://visualmath.art/verification
h2
1015.2949998155
1225.4989999346
612
5
200
text/plain
XHR
https://static.arc.io/widget/css/widget.css?13acafc
h2
1253.1260000542
1253.4900000319
9852
86751
200
text/css
Stylesheet
https://cdnjs.cloudflare.com/ajax/libs/normalize/8.0.0/normalize.min.css
h2
1254.5920000412
1272.4939999171
1641
1842
200
text/css
Stylesheet
https://static.arc.io/widget/css/widget.css?13acafc
h2
1274.3210000917
1274.730999954
9852
86751
200
text/css
Stylesheet
https://cdnjs.cloudflare.com/ajax/libs/normalize/8.0.0/normalize.min.css
h2
1275.5459998734
1292.2459999099
1641
1842
200
text/css
Stylesheet
data
1286.1089999788
1286.2829999067
0
411
200
image/svg+xml
Image
data
1286.3810001872
1286.5209998563
0
411
200
image/svg+xml
Image
data
1286.6549999453
1286.7760001682
0
277
200
image/png
Image
data
1288.0679997616
1288.2819999941
0
1890
200
image/svg+xml
Image
data
1289.6300000139
1289.861000143
0
3040
200
image/svg+xml
Image
data
1290.9380001947
1291.1149999127
0
1540
200
image/svg+xml
Image
data
1292.2220001929
1292.3949998803
0
1500
200
image/svg+xml
Image
data
1293.5109999962
1293.7099998817
0
1327
200
image/svg+xml
Image
https://pagead2.googlesyndication.com/getconfig/sodar?sv=200&tid=gda&tv=r20230111&st=env
h2
1298.7560001202
1314.0599997714
11475
14338
200
application/json
XHR
https://visualmath.art/cdn-cgi/rum?
h2
1315.8319997601
1342.0910001732
339
0
204
text/plain
XHR
https://tpc.googlesyndication.com/sodar/sodar2.js
h2
1323.2789998874
1337.5579998828
7166
17314
200
text/javascript
Script
https://tracker.arc.io/
1334.4490001909
1357.503999956
0
0
-1
Fetch
https://tpc.googlesyndication.com/sodar/sodar2/225/runner.html
h2
1352.8220001608
1362.5130001456
5856
12817
200
text/html
Document
https://www.google.com/recaptcha/api2/aframe
h2
1355.3419997916
1380.6549999863
1425
783
200
text/html
Document
https://pagead2.googlesyndication.com/bg/JwRg8GnJRbSbwgtubA3x1Twn6jgCPCxSQn9TsX0K1wE.js
h2
1384.1780000366
1391.2209998816
17016
37051
200
text/javascript
Script
https://pagead2.googlesyndication.com/pagead/sodar?id=sodar2&v=225&li=gda_r20230111&jk=3472135483542801&rc=
h2
1397.4020001478
1409.5910000615
516
0
204
text/html
Image
https://static.arc.io/broker/js/lazy-iwc.9b430e25.js
h2
1494.5009998046
1509.7599998116
5747
14147
200
application/javascript
Script
https://warden.arc.io/mailbox/nodes/KycV1xpkWcnUwLbckz6xKw
h2
1508.9560002089
1625.3740000539
188
0
204
Fetch
https://static.arc.io/widget/js/vendors~widget-sc-client.js?35fccb86
h2
1549.7739999555
1562.0940001681
17162
61008
200
application/javascript
Script
https://static.arc.io/widget/js/widget-sc-client.js?197dbd2e
h2
1550.5400002003
1577.9070002027
2526
3151
200
application/javascript
Script
https://static.arc.io/widget/js/chunk-2d2088b3.js?6ba30592
h2
1600.6809999235
1627.4310001172
3161
4934
200
text/javascript
Script
https://static.arc.io/widget/js/chunk-2d0cf2b3.js?d98d2542
h2
1635.3139998391
1772.5619999692
706309
3059634
200
text/javascript
Script
https://strn.pl/ipfs/QmSH9cD1LzwoFPcYUDw4qJpQ66se2jPvnnh7pLAwcQXw1X?clientId=35d407f0-9ea0-488a-a795-d34e967d2608
h2
1923.4879999422
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1465
555
200
application/json
Fetch
https://pagead2.googlesyndication.com/pagead/sodar?id=sodar2&v=225&t=2&li=gda_r20230111&jk=3472135483542801&bg=!39yl3JjNAAYDMoyoIzI7ACkAdvg8WgDvHoj2FwluFDUoicrL8KbuLPUKvzKBNXB0Af68yQQFNlN-wQIAAAE5UgAAAAhoAQcKAAiQ3X4FaslX7pkC7oLzelLpP_6qMBQN9lI55lauDA8ZwwiCc7Bh9GKFR2NL0PAXE2cCoEW6JSYfZqnEGreEn_unvP3rTAnZgGaXK8NtWgyY-0WiN10o8ntLWPAQLrI_KzKwADefATv_5zrWGP07cph0yaUs4MWOy-6_JyowC9z90wR-lro7x2uv1MH5yYcu81Ufcuoeg8oVN0hmp0KqSKg-PruhEXvoCELTNxT9cQrDWE6jP7uh6o1yZQ3Tccd67JlHPQS97haqCvIdgvW0cTDqgkZFdjTiKhe6d-cFxp76qpB_imFA50luaOgS7YiQdMYj7jQRp6vdzIyOzyZ4fztM4CzETt03KGK6m0VkpWv3uXyXZQabsJQxRVzOpCf9Z01pDOEYCcPM8mfdF9FEWul2Qu2w619xo-G4l1fspm8CHeIYGDRAqeexs0OIWLp89cYYBANUyrD-f2LimEVmDpXp3zC-GSm0TLx_d-7v0gJN2DmnFr8F2w9jX9Y7G77izTGyPxPfbAConNfPaoYHHjZ3dVdzYbPjj5UyVhHGt9EJHsZgsRXCpk9eI7v3HVEGws2YDFW_X0l786qeIkRd_F_iW0a6fHM2wJa6G2RlLPHl79zih1NVufIw4wrSpmoHmrB1xjsuK7wxRYRVtlM6tRQTOOGbBTKqJuf1T8PYrtJT7-UdqK82rTErKR2V-6IDV04tUn7kUViWr7oI0P53QrgTIJ0zU_W5pGuByKPOPcU2S6EvsylHQ6DRa_G4X0kDtQx4j354bNxlUzw-_c2HrbSQum-K5DRTznvLrt_RbE9upWn6zdx4oLWsHliwL88xlJZrG_R-seRznivCGl1pBNg2GABAvByZ5VpdhVBoQF5uqOuXC03duD_AY7phOPnEVyLfxZX8sOuKdhfXU8Bmu8K0l44Pe42j-_m80NwRc9VHMf7ydMhaNzdmnyITQTThIftj3USy06ne9vC6B2k1lF-lfY4jqkUzsPPHgvfdXR1d9TH42RogH7-TEA
h2
2247.020999901
2260.240000207
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text/html
Image
https://strn.pl/ipfs/QmPej3ZTVSBQEi4kGM3m22HtRCD1qG9Btr2BKnKpYM11sA?clientId=35d407f0-9ea0-488a-a795-d34e967d2608
h2
2957.8639999963
3016.5740000084
1370
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200
application/json
Fetch
https://afsocse35xksgf3rwwqpkzhzsi0ftpck.lambda-url.us-west-2.on.aws/
http/1.1
4021.275000181
4746.9330001622
363
0
200
application/json
Fetch
https://twb3qukm2i654i3tnvx36char40aymqq.lambda-url.us-west-2.on.aws/
4746.2590001523
0
0
-1
Fetch
Network Round Trip Times — 0 ms
High Network RTT (Round Trip Times) can have a large impact on performance. Providing servers geographically closer to the user could improve performance.
Server Backend Latencies — 0 ms
High server latencies indicate the server is overloaded or has a poor backend performance.
Tasks
Below is a list of the top-level main thread tasks that executed during page load.
Start Time (Ms) End Time (Ms)
439.783
12.965
485.784
31.033
530.422
7.912
560.45
8.025
596.023
8.809
634.97
53.252
689.225
16.369
715.759
9.856
738.116
21.552
763.056
6.115
774.971
42.304
821.325
6.208
828.327
12.159
841.164
62.055
904.568
6.239
930.843
7.647
946.316
10.704
958.046
7.074
965.904
11.433
977.821
12.473
991.927
308.535
1324.13
6.229
1342.875
11.547
1366.781
8.024
1385.081
6.58
1398.513
22.789
1423.785
14.037
1440.238
11.855
1457.819
5.558
1463.4
12.187
1480.816
11.488
1494.034
15.274
1511.045
12.018
1530.75
11.922
1556.213
25.344
1587.46
5.261
1594.092
7.29
1603.05
20.278
1626.914
6.122
1636.816
12.343
1651.098
18.648
1672.642
17.67
1691.705
12.45
1705.348
14.291
1778.502
5.688
1815.185
108.994
1924.86
11.557
2228.667
10.098
2240.099
6.29
2949.878
7.713
Diagnostics
Below is a collection of useful page vitals.
View Data
Metrics
Below is a collection of metrics.
View Data
Script Treemap Data
Provide as required, for treemap app.

Other

Eliminate render-blocking resources — Potential savings of 450 ms
Resources, such as JavaScript and style sheets, can block the first paint of the page. Visualmath.art should consider delivering critical JavaScript/style sheets (JS/CSS) inline and deferring all non-critical JS/CSS.
URL Transfer Size (Bytes) Potential Savings (Ms)
https://visualmath.art/resources/nebulamain.js
40955
1050
Serve images in next-gen formats — Potential savings of 51 KiB
Consider JPEG 2000, JPEG XR or WebP image formats which provide better compression than PNG and JPEG.
URL Resource Size (Bytes) Potential Savings (Bytes)
https://cdn.discordapp.com/attachments/1055618523768041594/1055659400880210010/haikei_ad.png
44398
28970.9
34969
23124.6

Metrics

First Contentful Paint — 6.3 s
The time taken for the first image or text on the page to be rendered.
Time to Interactive — 14.1 s
The time taken for the page to become fully interactive.
Speed Index — 6.4 s
The time taken for the page contents to be visibly populated.
Total Blocking Time — 1,140 ms
The total blocking time is the sum of all time periods between First Contentful Paint and Time to Interactive (when task length exceeded 50ms).
Largest Contentful Paint — 8.3 s
The timing of the largest text or image that is painted.

Audits

Max Potential First Input Delay — 620 ms
Users could experience a delay when interacting with the page.
First Meaningful Paint — 6.7 s
The time taken for the primary content of the page to be rendered.

Other

Reduce unused JavaScript — Potential savings of 393 KiB
It is advised to remove unused JavaScript in order to reduce bytes consumed by network activity.
URL Transfer Size (Bytes) Potential Savings (Bytes)
https://visualmath.art/uv/uv.bundle.js
194255
90069
https://pagead2.googlesyndication.com/pagead/managed/js/adsense/m202212050101/show_ads_impl_fy2021.js
120719
82090
https://static.arc.io/widget/js/core.js?13acafc
106302
69784
https://visualmath.art/osana/osana.bundle.js
108401
64017
https://visualmath.art/resources/nebulamain.js
40955
36859
https://static.arc.io/broker/js/lazy-modules.a169b1ec.js
46511
33383
https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js?client=ca-pub-6804325669459767
50103
25751
Serve static assets with an efficient cache policy — 11 resources found
Visualmath.art can speed up repeat visits by increasing the cache lifetime, which is essentially how long before a cached copy expires.
URL Cache TTL (Ms) Transfer Size (Bytes)
https://visualmath.art/uv/uv.bundle.js
14400000
194255
https://visualmath.art/osana/osana.bundle.js
14400000
108401
https://visualmath.art/resources/nebulamain.js
14400000
40955
https://visualmath.art/style/main.css
14400000
2805
https://visualmath.art/osana/osana.config.js
14400000
1030
https://visualmath.art/uv/uv.config.js
14400000
951
https://static.cloudflareinsights.com/beacon.min.js/vaafb692b2aea4879b33c060e79fe94621666317369993
86400000
6530
https://static.arc.io/broker/js/chunk-vendors.5e1d8045.js
2592000000
20454
https://static.arc.io/broker/js/lazy-modules.a169b1ec.js
2592000000
16584
https://static.arc.io/broker/js/broker.b281d075.js
2592000000
10507
https://static.arc.io/broker/js/lazy-iwc.9b430e25.js
2592000000
5747
Reduce JavaScript execution time — 3.8 s
JavaScript (JS) execution time can be lowered by reducing the time required for parsing, compiling and executing JS. Delivering smaller JS payloads may help with this.
URL Total CPU Time (Ms) Script Evaluation (Ms) Script Parse (Ms)
https://visualmath.art/resources/nebulamain.js
959.64
952.904
3.724
https://visualmath.art/
922.332
19.84
4.836
https://tpc.googlesyndication.com/sodar/sodar2/225/runner.html
885.876
836.516
9.04
https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js?client=ca-pub-6804325669459767
549.788
497.412
7.992
Unattributable
447.36
20.612
0
https://static.arc.io/widget/js/chunk-2d0cf2b3.js?d98d2542
435.792
217.952
169.452
https://pagead2.googlesyndication.com/pagead/managed/js/adsense/m202212050101/show_ads_impl_fy2021.js
250.06
220.588
24.728
https://browser.sentry-cdn.com/6.2.2/bundle.min.js
217.732
193.136
4.552
https://visualmath.art/uv/uv.bundle.js
169.216
124.608
43.9
https://arc.io/widget.min.js
152.848
141.448
5.588
https://static.arc.io/widget/js/vendors~widget-ui.js?c9b0de53
139.624
74.304
15.772
https://pagead2.googlesyndication.com/bg/JwRg8GnJRbSbwgtubA3x1Twn6jgCPCxSQn9TsX0K1wE.js
87.032
79.088
7.016
https://static.arc.io/broker/js/chunk-vendors.5e1d8045.js
76.328
65.652
0.612
https://tpc.googlesyndication.com/sodar/sodar2.js
72.224
66.884
2.304
https://core.arc.io/broker.html?13acafc
55.952
5.608
4.372
https://googleads.g.doubleclick.net/pagead/html/r20230111/r20190131/zrt_lookup.html
54.192
18.488
8.384
Minimize main-thread work — 5.9 s
Main-thread work timing can be lowered by reducing the time required for parsing, compiling and executing JS. Delivering smaller JS payloads may help with this.
Category Time Spent (Ms)
Script Evaluation
3775.852
Other
1074.808
Script Parsing & Compilation
359.232
Style & Layout
266.932
Garbage Collection
173
Rendering
131.024
Parse HTML & CSS
85.736
Reduce the impact of third-party code — Third-party code blocked the main thread for 530 ms
It is advised to either limit, remove or delay the loading of redundant third-party code which may be significantly impacting load performance.
Third-Party Transfer Size (Bytes) Main-Thread Blocking Time (Ms)
SHOW DETAILS
220886
517.604
SHOW DETAILS
21124
8.944
SHOW DETAILS
40619
0
SHOW DETAILS
6530
0
SHOW DETAILS
3282
0
SHOW DETAILS
1425
0
First Contentful Paint (3G) — 13603 ms
The time taken for the first image or text on the page to be rendered while on a 3G network.
100

Accessibility

Indicates how accessible the page is and highlights opportunities where the page can be made more accessible to users of visualmath.art. This includes details about various page attributes that can be optimized.

Navigation

`[accesskey]` values are unique
Access keys assist users with focusing on different parts of the page. Each access key should be unique for proper navigation.
The page contains a heading, skip link, or landmark region
It is advised to provide ways to bypass repetitive content, allowing users to navigate the page efficiently.
`[id]` attributes on active, focusable elements are unique
Ensure all focusable elements have a unique id value to allow them to be visible to users of assistive technologies, like a screen reader.
Heading elements appear in a sequentially-descending order
Properly order all headers and do not skip heading levels to better the navigation and readability for users of assistive technologies, like a screen reader.
No element has a `[tabindex]` value greater than 0
Although technically valid, a tabindex value greater than 0 often creates frustrating experiences for users who rely on assistive technologies.

ARIA

`[aria-*]` attributes match their roles
Avoid mismatching 'aria-*' attributes and their 'role' value, as it invalidates the attribute.
`button`, `link`, and `menuitem` elements have accessible names
Without accessible names on elements, screen readers will default to announcing a generic name, which means your content will be less accessible to users who rely on screen readers.
`[aria-hidden="true"]` is not present on the document `<body>`
If aria-hidden=true is set on the document body, assistive technologies, like a screen reader will work inconsistently.
`[aria-hidden="true"]` elements do not contain focusable descendents
Interactive elements within an aria-hidden=true element are unavailable to users of assistive technologies, like a screen reader.
ARIA input fields have accessible names
Generic names are announced to users of assistive technologies, like a screen reader, when an input field does not have an accessible name specified.
ARIA `meter` elements have accessible names
Without accessible names on elements, screen readers will default to announcing a generic name, which means your content will be less accessible to users who rely on screen readers.
ARIA `progressbar` elements have accessible names
Without accessible names on elements, screen readers will default to announcing a generic name, which means your content will be less accessible to users who rely on screen readers.
`[role]`s have all required `[aria-*]` attributes
Some ARIA roles have required 'aria-*' attributes, which provide essential information about state and functionality.
Elements with an ARIA `[role]` that require children to contain a specific `[role]` have all required children.
Some ARIA parent roles cannot perform their intended functions if specific child roles are not used.
`[role]`s are contained by their required parent element
Some ARIA child roles cannot perform their intended functions if specific parent roles are not used.
`[role]` values are valid
All ARIA roles require valid values to perform their intended functions.
ARIA toggle fields have accessible names
Generic names are announced to users of assistive technologies, like a screen reader, when a toggle field does not have an accessible name specified.
ARIA `tooltip` elements have accessible names
Without accessible names on elements, screen readers will default to announcing a generic name, which means your content will be less accessible to users who rely on screen readers.
ARIA `treeitem` elements have accessible names
Without accessible names on elements, screen readers will default to announcing a generic name, which means your content will be less accessible to users who rely on screen readers.
`[aria-*]` attributes have valid values
ARIA attributes cannot be interpreted with invalid values when used by screen readers and other assistive technologies.
`[aria-*]` attributes are valid and not misspelled
ARIA attributes cannot be interpreted with invalid names when used by screen readers and other assistive technologies.
ARIA IDs are unique
Ensure all ARIA ID values are unique to prevent elements from being overlooked by assistive technologies, like a screen reader.

Names and labels

Buttons have an accessible name
Buttons become unusable as they are announced simply as "button" when the button does not have an accessible name, when used by screen readers and other assistive technologies.
Document has a `<title>` element
Search engines, screen reader users and other assistive technology users rely on the title to provide an overview of the page and to help determine if the page is relevant to their search.
No form fields have multiple labels
Having multiple labels for form fields can be confusing to assistive technologies, like a screen reader.
`<frame>` or `<iframe>` elements have a title
Screen reader users and other assistive technology users rely on frame titles to describe the contents of frames.
Image elements have `[alt]` attributes
Provide short and descriptive alternative text where possible on informative elements.
`<input type="image">` elements have `[alt]` text
Input buttons with alternative text assist screen readers and other assistive technology users to understand its purpose.
Form elements have associated labels
Screen readers and other assistive technologies rely on labels to properly announce form controls.
Links have a discernible name
In order to improve the navigation for screen reader and other assistive technology users, use link text that is unique, focusable and discernible.
`<object>` elements have alternate text
It is advised that alt text is used on '<object>' elements in order to provide meaning to screen reader and other assistive technology users, as these technologies are unable to translate non-text content.

Contrast

Background and foreground colors have a sufficient contrast ratio
Many (if not most) users find low-contrast text difficult or impossible to read.

Tables and lists

`<dl>`'s contain only properly-ordered `<dt>` and `<dd>` groups, `<script>`, `<template>` or `<div>` elements.
Screen readers and other assistive technologies may produce poor and inaccurate output when definition lists are not properly marked up.
Definition list items are wrapped in `<dl>` elements
In order for screen readers and other assistive technologies to properly announce definition list items ('<dt>' and '<dd>'), they must be wrapped in parent a '<dl>' element.
Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
Use proper list structure to aid screen readers and other assistive technologies.
List items (`<li>`) are contained within `<ul>` or `<ol>` parent elements
In order for screen readers to announce list items, ensure that list items ('<li>') are contained within parent '<ul>' or '<ol>' tags.
Cells in a `<table>` element that use the `[headers]` attribute refer to table cells within the same table.
Screen readers and other assistive technologies have features to make navigating tables easier. Ensure that '<td>' cells using the headers attribute only refer to other cells in the same table, to improve screen reader user experience.
`<th>` elements and elements with `[role="columnheader"/"rowheader"]` have data cells they describe.
Screen readers and other assistive technologies have features to make navigating tables easier. Ensure that table headers refer to some set of cells, to improve screen reader user experience.

Internationalization and localization

`<html>` element has a `[lang]` attribute
It is advised to provide a lang attribute so that screen readers and other assistive technologies are guaranteed to announce the page's text correctly. When not provided, the user's default language setting will be used which may cause inaccuracies.
`<html>` element has a valid value for its `[lang]` attribute
Specify a valid BCP 47 language in order to help screen readers and other assistive technologies announce text properly.
`[lang]` attributes have a valid value
Specify a valid BCP 47 language on elements in order to help screen readers and other assistive technologies announce text properly.

Best practices

The document does not use `<meta http-equiv="refresh">`
Pages that refresh automatically cause a poor user experience as focus is directed back to the top of the page unexpectedly.
`[user-scalable="no"]` is not used in the `<meta name="viewport">` element and the `[maximum-scale]` attribute is not less than 5.
For users with low vision who rely on screen magnification, ensure that zooming is not disabled.

Audio and video

`<video>` elements contain a `<track>` element with `[kind="captions"]`
Visualmath.art may provide assistance to deaf or hearing-impaired users with captions on videos.

Manual Checks

The page has a logical tab order
The visual layout should be logical in its tab order and users cannot focus elements that are offscreen.
Interactive controls are keyboard focusable
Ensure that custom interactive controls are keyboard focusable and that a focus indicator is displayed.
Interactive elements indicate their purpose and state
Ensure that interactive elements (such as links and buttons) are distinguishable from non-interactive elements and that they indicate their state.
The user's focus is directed to new content added to the page
When new content (such as a dialogue) is added to the page, the user's focus should be directed to it.
User focus is not accidentally trapped in a region
Avoid focus being accidentally trapped when a user tabs in and out of controls or regions on page.
Custom controls have associated labels
Ensure that custom interactive controls have associated labels, which are provided by aria-label and aria-labelledby attributes.
Custom controls have ARIA roles
Ensure that all custom interactive controls have appropriate ARIA roles.
Visual order on the page follows DOM order
Ensure that the DOM order matches with the page's visual order, in order to improve navigation for screen readers and other assistive technologies.
Offscreen content is hidden from assistive technology
Ensure that offscreen content is hidden through the use of "display:none" styling or the aria-hidden attribute.
HTML5 landmark elements are used to improve navigation
Elements such as <main> and <nav> are recommended as they are used by screen readers and other assistive technologies to improve keyboard navigation.
75

Best Practices

Indicates the recommended, best practices currently in place on the page and highlights the best practices that visualmath.art should incorporate. This includes practices such as protecting pages with HTTPS.

Audits

Avoids requesting the geolocation permission on page load
When requesting a user's location, provide context or consider tying the request to a user action to avoid confusion and mistrust from users.
Avoids requesting the notification permission on page load
When requesting permission to send notifications, provide context or consider tying the request to a user action to avoid confusion and mistrust from users.
Avoids front-end JavaScript libraries with known security vulnerabilities
Ensure that the use of third-party scripts is minimal and that only trusted third-party scripts are used as some may contain known security vulnerabilities which may be exploited by attackers.
Ensure CSP is effective against XSS attacks
Significantly reduce the risk of cross-site scripting attacks (XSS) by ensuring you have a strong Content Security Policy (CSP).
Description Directive Severity
No CSP found in enforcement mode
High

Audits

Allows users to paste into password fields
Ensure that password inputs may be pasted into to aid in the user's ability to use password managers and improve security.
Displays images with correct aspect ratio
Ensure that image display dimensions match their natural aspect ratio.
Serves images with appropriate resolution
For maximum image clarity, ensure images have natural dimensions and are proportional to the display size and pixel ratio.
Fonts with `font-display: optional` are preloaded
It is recommended that optional fonts are preloaded.

Audits

Page has the HTML doctype
Ensure a doctype is specified to prevent the browser from switching to quirks-mode.
Properly defines charset
It is advised to declare a character encoding, optionally via a <meta> tag in the first 1024 bytes of the HTML or in the Content-Type HTTP response header.

Audits

Detected JavaScript libraries
Below is a list of all front-end JavaScript libraries that were detected on the page.
Name Version
Vue
core-js
core-js-global@3.16.3
No issues in the `Issues` panel in Chrome Devtools
There may be unresolved issues logged to Chrome Devtools.

Audits

Does not use HTTPS — 1 insecure request found
Ensure that all pages are protected with HTTPS (including those that do not handle sensitive data) as HTTPS prevents tampering and passive listening on communications between the app and its users. Additionally, HTTPS is a prerequisite for HTTP/2 and many new web platform APIs.
Insecure URL Request Resolution
http://visualmath.art/
Allowed

Audits

Uses deprecated APIs — 1 warning found
Avoid deprecated APIs which will eventually be removed the browser.
Deprecation / Warning Source
Synchronous `XMLHttpRequest` on the main thread is deprecated because of its detrimental effects to the end user’s experience. For more help, check https://xhr.spec.whatwg.org/.
SHOW DETAILS
Browser errors were logged to the console
Below is a list of all errors logged to the console, which indicate unresolved problems on the site.
Source Description
SHOW DETAILS
Error: connection error to wss://tkr.arc.io/announce at _ws.onerror (https://static.arc.io/widget/js/core.js?13acafc:15:1541) at <anonymous>:12:370
SHOW DETAILS
ReferenceError: chrome is not defined at https://visualmath.art/resources/nebulamain.js:286:46
Missing source maps for large first-party JavaScript
Consider deploying source maps for added benefits such as the ability to debug while in production.
URL Map URL
https://visualmath.art/uv/uv.bundle.js
https://static.arc.io/widget/js/chunk-2d0cf2b3.js?d98d2542
https://visualmath.art/osana/osana.bundle.js
https://visualmath.art/osana/osana.bundle.js.map
https://pagead2.googlesyndication.com/bg/JwRg8GnJRbSbwgtubA3x1Twn6jgCPCxSQn9TsX0K1wE.js
https://browser.sentry-cdn.com/6.2.2/bundle.min.js
https://browser.sentry-cdn.com/6.2.2/bundle.min.js.map
92

SEO

Indicates how well the page is optimized for ranking in search engines and highlights Search Engine Optimization (SEO) opportunities for visualmath.art. This includes optimizations such as providing meta data.

Mobile Friendly

Has a `<meta name="viewport">` tag with `width` or `initial-scale`
It is advised to use a '<meta name="viewport">' tag for the optimization of visualmath.art on mobile screens.
Document uses legible font sizes — 100% legible text
Font sizes of 12px or less are too small to most mobile users without user gestures and further action. Aim for more than 60% of page text to use font sizes greater than 12px.
Source Selector % of Page Text Font Size
SHOW DETAILS
100.00%
≥ 12px
Tap targets are sized appropriately — 100% appropriately sized tap targets
Interactive elements (such as buttons and links) should be appropriately spaced, sized and easy enough to select or tap with regard to their surrounding elements.

Content Best Practices

Document has a `<title>` element
Search engines, screen reader users and other assistive technology users rely on the title to provide an overview of the page and to help determine if the page is relevant to their search.
Document has a meta description
Meta descriptions may be used by search engines when displaying a link to the page and should concisely summarize the page's content.
Links have descriptive text
Make use of descriptive link text to assist search engines in understanding the content.
Image elements have `[alt]` attributes
Provide short and descriptive alternative text where possible on informative elements.
Document has a valid `hreflang`
Search engines can be instructed to list specific versions of a page for a given language or region through the use of hreflang links.
Document has a valid `rel=canonical`
Search engines can be suggested which URL should be shown in search results through the use of canonical links.
Document avoids plugins
The content of plugins cannot be indexed by search engines and many devices either restrict or do not support them.

Crawling and Indexing

Page has successful HTTP status code
Avoid pages with unsuccessful HTTP status codes as they may not be indexed by search engines.
Page isn’t blocked from indexing
Pages that cannot be crawled by search engines cannot be indexed or included in their search results. Ensure that search engines have permission to crawl all pages that should be indexed.
robots.txt is valid
Malformed robots.txt files prevent crawlers from understanding how a site wants to be crawled or indexed, which can be devastating to SEO.

Crawling and Indexing

Links are not crawlable
Ensure that the 'href' attribute of anchor elements links to the appropriate destination. This allows for more pages of the site to be discovered by search engines.

Manual Checks

Structured data is valid
Structured data can be validated through the use of the Structured Data Testing Tool and the Structured Data Linter.
20

PWA

Indicates how valid the aspects of a Progressive Web App (PWA) are for the page and highlights opportunities to enable/improve the PWA of visualmath.art. This includes details about web app manifests.

PWA Optimized

Has a `<meta name="viewport">` tag with `width` or `initial-scale`
It is advised to use a '<meta name="viewport">' tag for the optimization of visualmath.art on mobile screens.

Installable

Web app manifest or service worker do not meet the installability requirements — 1 reason
User engagement may be increased by leveraging the browsers ability to proactively prompt users to add the app to their homescreen.
Failure reason
No manifest was fetched

PWA Optimized

Does not register a service worker that controls page and `start_url`
A service worker is used to provide Progressive Web Apps the use of features such as working offline, the ability for the app to be added to the homescreen as well as push notifications.
Is not configured for a custom splash screen
Themed splash screens ensure a high-quality user experience at launch for app users.
View Data
Does not set a theme color for the address bar.
A theme may be applied to the browser address bar, which ideally can be made to match the site.
View Data
Content is not sized correctly for the viewport
Ensure that the width of the app's content matches the width of the viewport, otherwise the app might not be optimized for mobile screens.
Does not provide a valid `apple-touch-icon`
iOS users of Progressive Web Apps will benefit from an apple touch icon, which can be defined with 'apple-touch-icon', which must point to a non-transparent 192px (or 180px) square PNG.
Manifest doesn't have a maskable icon
Maskable icons are great to ensure that images fill the entire shape when installing the app on a device.

Manual Checks

Site works cross-browser
Ensure that the Progressive Web App works correctly across every major browser.
Page transitions don't feel like they block on the network
Users perceive apps with responsive, snappy transitions as higher peforming and ensures a great user experience, even on a slow network.
Each page has a URL
Ensure that all pages are deep linkable via URL. They should also be unique for the purpose of shareability on social media.
Hosting

Server Location

Server IP Address: 185.107.56.192
Continent: Europe
Country: Netherlands
Netherlands Flag
Region:
City:
Longitude: 4.8995
Latitude: 52.3824
Currencies: EUR
Languages: Dutch

Web Hosting Provider

Name IP Address
Serverhosting
Registration

Domain Registrant

Private Registration: Yes
Name:
Organization: Private by Design, LLC
Country: US
City:
State: NC
Post Code:
Email:
Phone:
Note: Registration information is derived from various sources and may be inaccurate.

Domain Registrar

Name IP Address
DYNADOT LLC 104.16.153.132
Security

Visitor Safety

Mature Content: Not Likely
McAfee WebAdvisor Rating: Unknown
WOT Rating:
WOT Trustworthiness:
WOT Child Safety:
Note: Safety information is not guaranteed.

SSL/TLS Certificate

Issued To: visualmath.art
Issued By: R3
Valid From: 18th April, 2024
Valid To: 17th July, 2024
Subject: CN = visualmath.art
Hash: a532c279
Issuer: CN = R3
O = Let's Encrypt
S = US
Version: 2
Serial Number: 0x034F74D42DB9498AAA26A8087752B5F55B17
Serial Number (Hex): 034F74D42DB9498AAA26A8087752B5F55B17
Valid From: 18th April, 2024
Valid To: 17th July, 2024
Signature Algorithm (Short Name): RSA-SHA256
Signature Algorithm (Long Name): sha256WithRSAEncryption
Authority Key Identifier: keyid:14:2E:B3:17:B7:58:56:CB:AE:50:09:40:E6:1F:AF:9D:8B:14:C2:C6
Extended Key Usage: TLS Web Server Authentication, TLS Web Client Authentication
Certificate Policies: Policy: 2.23.140.1.2.1
Authority Information Access: OCSP - URI:http://r3.o.lencr.org
CA Issuers - URI:http://r3.i.lencr.org/
SCT List: Signed Certificate Timestamp:
Version : v1 (0x0)
Log ID : 3B:53:77:75:3E:2D:B9:80:4E:8B:30:5B:06:FE:40:3B:
67:D8:4F:C3:F4:C7:BD:00:0D:2D:72:6F:E1:FA:D4:17
Timestamp : Apr 18 15:34:51.367 2024 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:46:02:21:00:CB:23:2B:8C:70:03:BF:B4:30:21:53:
EB:6E:29:CE:68:96:06:7B:AF:C1:12:F8:3D:06:CE:FE:
07:BA:F0:5F:C5:02:21:00:D9:36:27:90:7D:C6:AF:64:
45:0B:02:2C:F5:4E:99:80:84:E4:69:0D:7A:E1:0C:6F:
95:31:B8:0E:E9:08:03:75
Signed Certificate Timestamp:
Version : v1 (0x0)
Log ID : EE:CD:D0:64:D5:DB:1A:CE:C5:5C:B7:9D:B4:CD:13:A2:
32:87:46:7C:BC:EC:DE:C3:51:48:59:46:71:1F:B5:9B
Timestamp : Apr 18 15:34:51.358 2024 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:45:02:20:7A:81:07:01:76:4B:78:D5:89:28:2F:CD:
BE:22:59:8B:F4:A3:45:BF:A7:31:2A:0C:CD:7B:1D:9B:
89:63:3F:A4:02:21:00:ED:34:83:D4:20:5C:CE:90:FC:
55:F0:6C:4E:32:18:DA:31:E3:3C:15:8F:9E:24:19:D3:
7C:55:1E:FC:A6:89:DF
Key Usage: Digital Signature, Key Encipherment
Basic Constraints: CA:FALSE
Subject Alternative Name: DNS:visualmath.art
DNS:*.visualmath.art
Technical

DNS Lookup

A Records

Host IP Address Class TTL
visualmath.art. 192.157.56.142 IN 600

NS Records

Host Nameserver Class TTL
visualmath.art. ns1.brainydns.com. IN 600
visualmath.art. ns2.brainydns.com. IN 600

SOA Records

Domain Name Primary NS Responsible Email TTL
visualmath.art. ns1.brainydns.com. admin.visualmath.art. 600

HTTP Response Headers

HTTP-Code: HTTP/1.1 302 Found
cache-control: max-age=0, private, must-revalidate
date: 2nd June, 2024
server: nginx
connection: close
content-length: 11
location: http://survey-smiles.com
set-cookie: *

Whois Lookup

Created: 28th April, 2022
Changed: 5th January, 2024
Expires: 28th April, 2025
Registrar: Dynadot LLC
Status: clientTransferProhibited
autoRenewPeriod
Nameservers: ns1.magpiedns.com
ns2.magpiedns.com
Owner State: California
Owner Country: US
Owner Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Admin Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Tech Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Billing Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Full Whois: Domain Name: VISUALMATH.ART
Registry Domain ID: D294251499-CNIC
Registrar WHOIS Server: whois.dynadot.com
Registrar URL: http://www.dynadot.com
Updated Date: 2024-05-01T06:16:45.0Z
Creation Date: 2022-04-28T01:48:18.0Z
Registry Expiry Date: 2025-04-28T23:59:59.0Z
Registrar: Dynadot LLC
Registrar IANA ID: 472
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Domain Status: autoRenewPeriod https://icann.org/epp#autoRenewPeriod
Registrant Organization:
Registrant State/Province: California
Registrant Country: US
Registrant Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Admin Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Tech Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Name Server: NS1.BRAINYDNS.COM
Name Server: NS2.BRAINYDNS.COM
DNSSEC: unsigned
Billing Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Registrar Abuse Contact Email: abuse@dynadot.com
Registrar Abuse Contact Phone: +1.6502620100
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of WHOIS database: 2024-06-02T23:22:45.0Z <<<

For more information on Whois status codes, please visit https://icann.org/epp

>>> IMPORTANT INFORMATION ABOUT THE DEPLOYMENT OF RDAP: please visit
https://www.centralnic.com/support/rdap <<<

The Whois and RDAP services are provided by CentralNic, and contain
information pertaining to Internet domain names registered by our
our customers. By using this service you are agreeing (1) not to use any
information presented here for any purpose other than determining
ownership of domain names, (2) not to store or reproduce this data in
any way, (3) not to use any high-volume, automated, electronic processes
to obtain data from this service. Abuse of this service is monitored and
actions in contravention of these terms will result in being permanently
blacklisted. All data is (c) CentralNic Ltd (https://www.centralnic.com)

Access to the Whois and RDAP services is rate limited. For more
information, visit https://registrar-console.centralnic.com/pub/whois_guidance.
View Raw Whois

Nameservers

Name IP Address
ns1.magpiedns.com 74.63.241.18
ns2.magpiedns.com 5.79.65.16
Related

Subdomains

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Domain Valuation Snoop Score
visualmath.co
0/5

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Domain Valuation Snoop Score
300mbmovies4u.org
$984 USD 1/5
sumirbd.mobi
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