GITHUB.COM The world’s leading software development platform · GitHub

github.com Website Information

Daily Unique Visits: 69,266,647

Daily Page Views: 554,133,176

Income Per Day: $554,133

Estimated Value: $598,463,640

This website is located in United States and is using following IP address 140.82.121.4. See the complete list of popular websites hosted in United States.

github.com is registered under .COM top-level domain. Please check other sites in .COM zone.

Website github.com is using the following name servers:

  • dns1.p08.nsone.net
  • dns2.p08.nsone.net
  • dns3.p08.nsone.net
  • dns4.p08.nsone.net
  • ns-1283.awsdns-32.org
  • ns-1707.awsdns-21.co.uk
  • ns-421.awsdns-52.com
  • ns-520.awsdns-01.net

and is probably hosted by GITHUB - GitHub, Inc., US. See the full list of other websites hosted by GITHUB - GitHub, Inc., US.

The highest website github.com position in Alexa rank database was 17 and the lowest rank position was 145. Current position of github.com in Alexa rank database is 22.

Desktop speed score of github.com (43/100) is better than the results of 17.28% of other sites and shows that the page desktop performance can be improved.

Mobile usability score of github.com (100/100) is better than the results of 100% of other sites and means that the page is mobile-friendly.

Mobile speed score of github.com (44/100) is better than the results of 24.22% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.

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github.com Alexa Rank

The traffic rank is based on three months of aggregated historical traffic data from millions of Alexa Toolbar users and is a combined measure of page views and users.


github.com whois

WHOIS gives you the ability to lookup any generic domains to find out the registered domain holder. WHOIS database are provided for information purposes only. It allows the public to check whether a specific domain name is still available or not and to obtain information related to the registration records of existing domain names.


Domain Name: GITHUB.COM
Registry Domain ID: 1264983250_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.markmonitor.com
Registrar URL: http://www.markmonitor.com
Updated Date: 2020-09-08T09:18:27Z
Creation Date: 2007-10-09T18:20:50Z
Registry Expiry Date: 2022-10-09T18:20:50Z
Registrar: MarkMonitor Inc.
Registrar IANA ID: 292
Registrar Abuse Contact Email: abusecomplaints@markmonitor.com
Registrar Abuse Contact Phone: +1.2086851750
Domain Status: clientDeleteProhibited https://icann.org/epp#clientDeleteProhibited
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Domain Status: clientUpdateProhibited https://icann.org/epp#clientUpdateProhibited
Name Server: DNS1.P08.NSONE.NET
Name Server: DNS2.P08.NSONE.NET
Name Server: DNS3.P08.NSONE.NET
Name Server: DNS4.P08.NSONE.NET
Name Server: NS-1283.AWSDNS-32.ORG
Name Server: NS-1707.AWSDNS-21.CO.UK
Name Server: NS-421.AWSDNS-52.COM
Name Server: NS-520.AWSDNS-01.NET
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2022-08-24T02:50:41Z

github.com server information

Servers Location

github.com desktop page speed rank

Last tested: 2019-12-02


Desktop Speed Bad
43/100

github.com Desktop Speed Test Quick Summary


priority - 113Optimize images

Properly formatting and compressing images can save many bytes of data.

Optimize the following images to reduce their size by 1.1MiB (60% reduction).

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Compressing and resizing https://github.githubassets.com/images/modules/site/logos/facebook-logo.png could save 918B (62% reduction).

priority - 19Leverage browser caching

Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.

Leverage browser caching for the following cacheable resources:

https://github.githubassets.com/images/modules/sit…s/simple-codelines.svg (expiration not specified)
https://github.githubassets.com/images/modules/site/home-illo-business.png (expiration not specified)
https://github.githubassets.com/images/modules/sit…me-illo-team-chaos.svg (expiration not specified)
https://github.githubassets.com/images/modules/site/home-illo-team-code.svg (expiration not specified)
https://github.githubassets.com/images/modules/sit…me-illo-team-tools.svg (expiration not specified)
https://github.githubassets.com/images/modules/site/home-illo-team.svg (expiration not specified)
https://github.githubassets.com/images/modules/sit…ons/arrow-universe.svg (expiration not specified)
https://github.githubassets.com/images/modules/site/integrators/atom.png (expiration not specified)
https://github.githubassets.com/images/modules/sit…tegrators/circleci.png (expiration not specified)
https://github.githubassets.com/images/modules/sit…rators/codeclimate.png (expiration not specified)
https://github.githubassets.com/images/modules/site/integrators/google.png (expiration not specified)
https://github.githubassets.com/images/modules/site/integrators/slackhq.png (expiration not specified)
https://github.githubassets.com/images/modules/sit…egrators/travis-ci.png (expiration not specified)
https://github.githubassets.com/images/modules/sit…tegrators/zenhubio.png (expiration not specified)
https://github.githubassets.com/images/modules/site/logos/airbnb-logo.png (expiration not specified)
https://github.githubassets.com/images/modules/sit…gos/bloomberg-logo.png (expiration not specified)
https://github.githubassets.com/images/modules/site/logos/facebook-logo.png (expiration not specified)
https://github.githubassets.com/images/modules/site/logos/google-logo.png (expiration not specified)
https://github.githubassets.com/images/modules/site/logos/ibm-logo.png (expiration not specified)
https://github.githubassets.com/images/modules/site/logos/nasa-logo.png (expiration not specified)
https://github.githubassets.com/images/modules/site/logos/node-logo.png (expiration not specified)
https://github.githubassets.com/images/modules/site/logos/paypal-logo.png (expiration not specified)
https://github.githubassets.com/images/modules/site/logos/sap-logo.png (expiration not specified)
https://github.githubassets.com/images/modules/site/logos/spotify-logo.png (expiration not specified)
https://github.githubassets.com/images/modules/site/logos/swift-logo.png (expiration not specified)
https://github.githubassets.com/images/modules/site/logos/walmart-logo.png (expiration not specified)
https://github.githubassets.com/images/modules/site/patterns/dots-small.svg (expiration not specified)
https://github.githubassets.com/images/modules/site/universe19.png (expiration not specified)
https://github.githubassets.com/images/search-key-slash.svg (expiration not specified)
https://github.githubassets.com/static/fonts/inter/Inter-Medium.woff (expiration not specified)
https://github.githubassets.com/static/fonts/inter/Inter-Regular.woff (expiration not specified)
https://customer-stories-feed.github.com/customer_…/freakboy3742/hero.jpg (10 minutes)
https://customer-stories-feed.github.com/customer_stories/jessfraz/hero.jpg (10 minutes)
https://customer-stories-feed.github.com/customer_…ies/kris-nova/hero.jpg (10 minutes)
https://customer-stories-feed.github.com/customer_…s/mgm-resorts/hero.jpg (10 minutes)
https://customer-stories-feed.github.com/customer_…nationwide/nw_hero.jpg (10 minutes)
https://customer-stories-feed.github.com/customer_stories/sap/sap6.jpg (10 minutes)
https://customer-stories-feed.github.com/customer_…potify/spotifyhero.jpg (10 minutes)
https://customer-stories-feed.github.com/customer_…ies/yyx990803/hero.jpg (10 minutes)

priority - 12Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 4 blocking CSS resources. This causes a delay in rendering your page.

Optimize CSS Delivery of the following:

https://github.githubassets.com/assets/frameworks-…706fb41bae0d14b09a.css
https://github.githubassets.com/assets/site-d3c48f…d9efb184fd4592b411.css
https://github.githubassets.com/assets/github-eabf…39e805d1a3af34018a.css
https://github.githubassets.com/assets/site-d3c48f…d9efb184fd4592b411.css

priority - 3Enable compression

Compressing resources with gzip or deflate can reduce the number of bytes sent over the network.

Enable compression for the following resources to reduce their transfer size by 33.8KiB (67% reduction).

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Compressing https://github.githubassets.com/images/modules/sit…s/simple-codelines.svg could save 9.8KiB (76% reduction).
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Compressing https://github.githubassets.com/images/search-key-slash.svg could save 148B (33% reduction).

github.com Desktop Resource Breakdown

Total Resources47
Number of Hosts3
Static Resources45
JavaScript Resources3
CSS Resources3

github.com mobile page speed rank

Last tested: 2018-09-16


Mobile Speed Bad
44/100

github.com Mobile Speed Test Quick Summary


priority - 95Optimize images

Properly formatting and compressing images can save many bytes of data.

Optimize the following images to reduce their size by 928.6KiB (87% reduction).

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Compressing and resizing https://assets-cdn.github.com/images/modules/site/logos/airbnb-logo.png could save 18.6KiB (91% reduction).
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Compressing and resizing https://assets-cdn.github.com/images/modules/site/logos/walmart-logo.png could save 17.2KiB (91% reduction).
Compressing and resizing https://assets-cdn.github.com/images/modules/site/logos/spotify-logo.png could save 16.9KiB (88% reduction).
Compressing and resizing https://assets-cdn.github.com/images/modules/site/logos/nasa-logo.png could save 15.3KiB (90% reduction).
Compressing and resizing https://assets-cdn.github.com/images/modules/site/logos/sap-logo.png could save 11.6KiB (90% reduction).
Compressing and resizing https://assets-cdn.github.com/images/modules/site/integrators/atom.png could save 7.2KiB (82% reduction).
Compressing and resizing https://assets-cdn.github.com/images/modules/site/logos/ibm-logo.png could save 7.2KiB (87% reduction).
Compressing and resizing https://assets-cdn.github.com/images/modules/site/logos/google-logo.png could save 6.2KiB (86% reduction).
Compressing and resizing https://assets-cdn.github.com/images/modules/site/logos/facebook-logo.png could save 1.1KiB (76% reduction).

priority - 48Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 4 blocking CSS resources. This causes a delay in rendering your page.

Optimize CSS Delivery of the following:

https://assets-cdn.github.com/assets/frameworks-95…338b645a4deebdcb1b.css
https://assets-cdn.github.com/assets/github-5a68a4…2a1f6f30a2beb6c6f0.css
https://assets-cdn.github.com/assets/site-1004791c…9207617406c2b25111.css
https://assets-cdn.github.com/assets/site-1004791c…9207617406c2b25111.css

github.com Mobile Resource Breakdown

Total Resources42
Number of Hosts2
Static Resources40
JavaScript Resources1
CSS Resources3

github.com mobile page usability

Last tested: 2018-09-16


Mobile Usability Good
100/100

github.com HTML validation

Errors

Element “link” is missing required attribute “href”.

Line: 20 Column: 478 - 745
"...70.css" /><link data-color-theme="light" crossorigin="anonymous" media="all" integrity="sha512-UXiu4O52iBFkqt6Kx5t+pqHYP2/LWWIw9+l5ia74TWw+xPzpH44BFfAQp7yzCe0XFGZa72Xiqyml6tox1KkUjw==" rel="stylesheet" data-href="https://github.githubassets.com/assets/light-5178aee0ee76.css" /><link ..." Line: 20 Column: 746 - 1011
"...76.css" /><link data-color-theme="dark" crossorigin="anonymous" media="all" integrity="sha512-IX1PnI5wWBz8Kgb1JI0f2QFa/WuRQQHJHe0vkKinQzsxRlNb4b8NgODX5htSZVAAkA1O6Vch+RRlDTI8j96slA==" rel="stylesheet" data-href="https://github.githubassets.com/assets/dark-217d4f9c8e70.css" /><link ..." Line: 20 Column: 1012 - 1291
"...70.css" /><link data-color-theme="dark_dimmed" crossorigin="anonymous" media="all" integrity="sha512-Ct+ijw5ofrvpiRNwv+EhmU4CBCIgm7ApMfRCT8IQK4luRFZf8tLg0CC0VLyTPVLgMbQ9+74znLAZwi1RSzjpiA==" rel="stylesheet" data-href="https://github.githubassets.com/assets/dark_dimmed-0adfa28f0e68.css" /><link ..." Line: 20 Column: 1292 - 1585
"...68.css" /><link data-color-theme="dark_high_contrast" crossorigin="anonymous" media="all" integrity="sha512-HIV1s2ZEVz1WLyBRua8znQozNKaQ0LM5AHRX9sMlitm5TNY3QMJzKsRD5FPCF9oluzIXNO9JxRK4bBjxGhcctA==" rel="stylesheet" data-href="https://github.githubassets.com/assets/dark_high_contrast-1c8575b36644.css" /><link ..." Line: 20 Column: 1586 - 1873
"...44.css" /><link data-color-theme="dark_colorblind" crossorigin="anonymous" media="all" integrity="sha512-URPSviCw4m4n71IKn4qyu7MEDpGbCiTfsMTNrUjPwcg38KtEKDt12vzjlNzoy3YDFiQ8D0TCCYKCtrZpqX097g==" rel="stylesheet" data-href="https://github.githubassets.com/assets/dark_colorblind-5113d2be20b0.css" /><link ..." Line: 20 Column: 1874 - 2163
"...b0.css" /><link data-color-theme="light_colorblind" crossorigin="anonymous" media="all" integrity="sha512-yWrddCSE7sqLZ4iqcSOoAsVnCbxs4IgN+oDKgxarp3O6V9dQ8XKyE+ffedHQa55VkB1tY0iNI3QqACG8p1k8IA==" rel="stylesheet" data-href="https://github.githubassets.com/assets/light_colorblind-c96add742484.css" /><link ..." Line: 20 Column: 2164 - 2459
"...84.css" /><link data-color-theme="light_high_contrast" crossorigin="anonymous" media="all" integrity="sha512-KQ+S9ehnvP9vzfiaBA1FbrSWS1RuJBo/ez+bKUm+XKGEMR22w7Oyc712UyVcpYIqpTCTvaaJ3MfeU0x4xPeI+A==" rel="stylesheet" data-href="https://github.githubassets.com/assets/light_high_contrast-290f92f5e867.css" /><link ..." Line: 20 Column: 2460 - 2749
"...67.css" /><link data-color-theme="light_tritanopia" crossorigin="anonymous" media="all" integrity="sha512-zdiPFGv3QFuv1X24wK9Sa7DM3W/It82kehdMBrepjoJJyJyBISVFUJLvMMkvr4uu8j11Rn35dXZiVrN1FNWzGA==" rel="stylesheet" data-href="https://github.githubassets.com/assets/light_tritanopia-cdd88f146bf7.css" /><link ..." Line: 20 Column: 2750 - 3037
"...f7.css" /><link data-color-theme="dark_tritanopia" crossorigin="anonymous" media="all" integrity="sha512-IXHqDweLGMT47BTl4v+0woPqFAAtkFBeVqg9U/AliukeUyVREIssCu32RfWmXNdMjwmdVBcS+q9SMQMYuYF5dQ==" rel="stylesheet" data-href="https://github.githubassets.com/assets/dark_tritanopia-2171ea0f078b.css" /> ..."

Attribute “value” not allowed on element “meta” at this point.

Line: 77 Column: 3 - 59
"... /> <meta name="selected-link" value="/" data-pjax-transient> ..."

Element “meta” is missing one or more of the following attributes: “content”, “property”.

Line: 77 Column: 3 - 59
"... /> <meta name="selected-link" value="/" data-pjax-transient> ..."

Bad value “fluid-icon” for attribute “rel” on element “link”: The string “fluid-icon” is not a registered keyword.

Line: 103 Column: 5 - 82
"...Hub"> <link rel="fluid-icon" href="https://github.com/fluidicon.png" title="GitHub"> <..."

Bad value “assets” for attribute “rel” on element “link”: The string “assets” is not a registered keyword.

Line: 109 Column: 5 - 63
"... <link rel="assets" href="https://github.githubassets.com/"> ..."

Bad value “x-pjax-version” for attribute “http-equiv” on element “meta”.

Line: 121 Column: 3 - 137
"...APS"> <meta http-equiv="x-pjax-version" content="a8bcc08b136047fc062c46729759124900fab79ee956d2a777203e0e6e174280" data-turbo-track="reload"> <me..."

Bad value “x-pjax-csp-version” for attribute “http-equiv” on element “meta”.

Line: 122 Column: 3 - 141
"...eload"> <meta http-equiv="x-pjax-csp-version" content="b1ec45092222ff81e287899ab0a252032b8f664299ffbdb3d012642d3ae36db0" data-turbo-track="reload"> <me..."

Bad value “x-pjax-css-version” for attribute “http-equiv” on element “meta”.

Line: 123 Column: 3 - 141
"...eload"> <meta http-equiv="x-pjax-css-version" content="e17047e49ccdd6fa38e860786a9b0169bfd1ea1fb8276e6d9103a86f09ab5490" data-turbo-track="reload"> <me..."

Bad value “x-pjax-js-version” for attribute “http-equiv” on element “meta”.

Line: 124 Column: 3 - 140
"...eload"> <meta http-equiv="x-pjax-js-version" content="9c2c7d9bf717a12b51bad2aa54da37ffb0e89a8065936222ed4d45d55ff553dd" data-turbo-track="reload"> <m..."

Bad value “fetch” for attribute “as” on element “link”.

Line: 134 Column: 5 - 94
"...20"> <link rel="preload" href="/webgl-globe/data/data.json" as="fetch" type="application/json"> <li..."

Stray end tag “option”.

Line: 429 Column: 43 - 51
"...</xmp> --></option></form..." Line: 722 Column: 51 - 59
"...</xmp> --></option></form..."

Stray end tag “form”.

Line: 429 Column: 52 - 58
"...></option></form><form ..." Line: 722 Column: 60 - 66
"...></option></form><form ..."

Element “div” not allowed as child of element “label” in this context. (Suppressing further errors from this subtree.)

Line: 455 Column: 11 - 121
"... <div class="Box position-absolute overflow-hidden d-none jump-to-suggestions js-jump-to-suggestions-container"> ..."

An element with “role=option” must be contained in, or owned by, an element with “role=listbox” or “role=radiogroup” or “role=tree” or “role=combobox” or “role=menu”.

Line: 460 Column: 1 - 134
"...ner"> <li class="d-flex flex-justify-start flex-items-center p-0 f5 navigation-item js-navigation-item js-jump-to-suggestion" role="option"> <a ..."

Bad value “video/mp4; codecs=hevc,mp4a.40.2” for attribute “type” on element “source”: Expected a token character, whitespace or a semicolon but saw “,” instead.

Line: 769 Column: 7 - 136
"...en> <source type="video/mp4; codecs=hevc,mp4a.40.2" src="https://github.githubassets.com/images/modules/site/home/globe-900.hevc.mp4"> ..." Line: 773 Column: 7 - 136
"...en> <source type="video/mp4; codecs=hevc,mp4a.40.2" src="https://github.githubassets.com/images/modules/site/home/globe-500.hevc.mp4"> ..." Line: 2208 Column: 13 - 153
"... <source type="video/mp4; codecs=hevc,mp4a.40.2" src="https://github.githubassets.com/images/modules/site/home/actions-autocomplete.hevc.mp4"> ..."

Bad value “video/mp4; codecs=avc1.4D401E,mp4a.40.2” for attribute “type” on element “source”: Expected a token character, whitespace or a semicolon but saw “,” instead.

Line: 770 Column: 7 - 143
"...4"> <source type="video/mp4; codecs=avc1.4D401E,mp4a.40.2" src="https://github.githubassets.com/images/modules/site/home/globe-900.h264.mp4"> <..." Line: 774 Column: 7 - 143
"...4"> <source type="video/mp4; codecs=avc1.4D401E,mp4a.40.2" src="https://github.githubassets.com/images/modules/site/home/globe-500.h264.mp4"> <..." Line: 802 Column: 7 - 140
"...en> <source type="video/mp4; codecs=avc1.4D401E,mp4a.40.2" src="https://github.githubassets.com/images/modules/site/home/aurora.h264.mp4"> <..." Line: 1575 Column: 17 - 153
"... <source type="video/mp4; codecs=avc1.4D401E,mp4a.40.2" src="https://github.githubassets.com/images/modules/site/home/gh-mobile.h264.mp4"> ..." Line: 2209 Column: 13 - 160
"... <source type="video/mp4; codecs=avc1.4D401E,mp4a.40.2" src="https://github.githubassets.com/images/modules/site/home/actions-autocomplete.h264.mp4"> ..."

Attribute “loading” not allowed on element “img” at this point.

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"...ideo> <img srcset="https://github.githubassets.com/images/modules/site/home/globe-700.jpg 700w, https://github.githubassets.com/images/modules/site/home/globe.jpg 1400w" sizes="(max-width: 700px) 70vw, 700px" src="https://github.githubassets.com/images/modules/site/home/globe.jpg" alt="Planet earth with visualization of GitHub activity crossing the globe" class="width-full height-auto js-globe-fallback-image" loading="lazy" decoding="async" width="1238" height="1404" hidden > ..." Line: 849 Column: 3 - 242
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"... <img src="https://avatars.githubusercontent.com/rust-lang?s=64&amp;v=4" alt="The Rust Programming Language" class="color-bg-default avatar avatar-5 rounded-2 mr-2" loading="lazy" decoding="async"> ..." Line: 2808 Column: 19 - 190
"... <img src="https://avatars.githubusercontent.com/flutter?s=64&amp;v=4" alt="Flutter" class="color-bg-default avatar avatar-5 rounded-2 mr-2" loading="lazy" decoding="async"> ..." Line: 2820 Column: 19 - 196
"... <img src="https://avatars.githubusercontent.com/kubernetes?s=64&amp;v=4" alt="Kubernetes" class="color-bg-default avatar avatar-5 rounded-2 mr-2" loading="lazy" decoding="async"> ..." Line: 2835 Column: 19 - 191
"... <img src="https://avatars.githubusercontent.com/apple?s=64&amp;v=4" alt="Kubernetes" class="color-bg-default avatar avatar-5 rounded-2 mr-2" loading="lazy" decoding="async"> ..." Line: 2847 Column: 19 - 190
"... <img src="https://avatars.githubusercontent.com/ansible?s=64&amp;v=4" alt="Ansible" class="color-bg-default avatar avatar-5 rounded-2 mr-2" loading="lazy" decoding="async"> ..." Line: 2859 Column: 19 - 194
"... <img src="https://avatars.githubusercontent.com/hashicorp?s=64&amp;v=4" alt="Hashicorp" class="color-bg-default avatar avatar-5 rounded-2 mr-2" loading="lazy" decoding="async"> ..." Line: 2874 Column: 19 - 192
"... <img src="https://avatars.githubusercontent.com/ohmyzsh?s=64&amp;v=4" alt="Oh my zsh" class="color-bg-default avatar avatar-5 rounded-2 mr-2" loading="lazy" decoding="async"> ..." Line: 2886 Column: 19 - 192
"... <img src="https://avatars.githubusercontent.com/facebook?s=64&amp;v=4" alt="Facebook" class="color-bg-default avatar avatar-5 rounded-2 mr-2" loading="lazy" decoding="async"> ..." Line: 2898 Column: 19 - 182
"... <img src="https://avatars.githubusercontent.com/npm?s=64&amp;v=4" alt="npm" class="color-bg-default avatar avatar-5 rounded-2 mr-2" loading="lazy" decoding="async"> ..." Line: 3055 Column: 13 - 191
"... <img src="https://github.githubassets.com/images/modules/site/icons/footer/twitter.svg" height="18" width="22" class="d-block" loading="lazy" decoding="async" alt="Twitter icon"> ..." Line: 3061 Column: 13 - 193
"... <img src="https://github.githubassets.com/images/modules/site/icons/footer/facebook.svg" width="18" height="18" class="d-block" loading="lazy" decoding="async" alt="Facebook icon"> ..." Line: 3067 Column: 13 - 192
"... <img src="https://github.githubassets.com/images/modules/site/icons/footer/linkedin.svg" width="19" height="18" class="d-block" loading="lazy" decoding="async" alt="Linkedin icon"> ..." Line: 3073 Column: 13 - 191
"... <img src="https://github.githubassets.com/images/modules/site/icons/footer/youtube.svg" width="23" height="16" class="d-block" loading="lazy" decoding="async" alt="YouTube icon"> ..." Line: 3079 Column: 13 - 189
"... <img src="https://github.githubassets.com/images/modules/site/icons/footer/twitch.svg" width="18" height="18" class="d-block" loading="lazy" decoding="async" alt="Twitch icon"> ..." Line: 3085 Column: 13 - 189
"... <img src="https://github.githubassets.com/images/modules/site/icons/footer/tiktok.svg" width="18" height="18" class="d-block" loading="lazy" decoding="async" alt="TikTok icon"> ..." Line: 3091 Column: 13 - 193
"... <img src="https://github.githubassets.com/images/modules/site/icons/footer/github-mark.svg" width="20" height="20" class="d-block" loading="lazy" decoding="async" alt="GitHub mark"> ..."

Stray end tag “source”.

Line: 848 Column: 682 - 690
"...age/jpeg"></source> <im..." Line: 1415 Column: 741 - 749
"...age/webp"></source> <so..." Line: 1416 Column: 446 - 454
"...mage/png"></source> <im..." Line: 1421 Column: 741 - 749
"...age/webp"></source> <so..." Line: 1422 Column: 446 - 454
"...mage/png"></source> <im..." Line: 1491 Column: 733 - 741
"...age/webp"></source> <so..." Line: 1492 Column: 442 - 450
"...mage/png"></source> <im..." Line: 1496 Column: 733 - 741
"...age/webp"></source> <so..." Line: 1497 Column: 442 - 450
"...mage/png"></source> <im..." Line: 1501 Column: 733 - 741
"...age/webp"></source> <so..." Line: 1502 Column: 442 - 450
"...mage/png"></source> <im..."

When the “srcset” attribute has any image candidate string with a width descriptor, the “sizes” attribute must also be present.

Line: 1382 Column: 15 - 19
"... <img srcset="https://avatars.githubusercontent.com/mdo?s=20&amp;v=4 20w, https://avatars.githubusercontent.com/mdo?s=40&amp;v=4 40w" src="https://avatars.githubusercontent.com/mdo?s=40&amp;v=4" alt="mdo" class="avatar width-fit height-auto mr-1 circle" width="20" height="20" aria-hidden="true" loading="lazy" decoding="async"> ..."

Warnings

The “type” attribute is unnecessary for JavaScript resources.

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"...</script> <script crossorigin="anonymous" defer="defer" type="application/javascript" integrity="sha512-wdY9IwspBfH+ypwfAHhmLM1NHmc47fnC3OBSM2oCVMP6TITrDyusuknqLqtAY8SEcRhRdGYxEVwyCu/gqqIpTQ==" src="https://github.githubassets.com/assets/vendors-node_modules_stacktrace-parser_dist_stack-trace-parser_esm_js-node_modules_github_bro-d351f6-c1d63d230b29.js"></scri..." Line: 34 Column: 1 - 257
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The “banner” role is unnecessary for element “header”.

Line: 176 Column: 1 - 114
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github.com similar domains

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github.com Ping

Ping is a computer network administration software utility used to test the reachability of a host on an Internet Protocol (IP) network. It measures the round-trip time for messages sent from the originating host to a destination computer that are echoed back to the source.


github.com TRACEROUTE

Traceroute is a computer network diagnostic tool for displaying the route (path) and measuring transit delays of packets across an Internet Protocol (IP) network. The history of the route is recorded as the round-trip times of the packets received from each successive host (remote node) in the route (path); the sum of the mean times in each hop is a measure of the total time spent to establish the connection. Traceroute proceeds unless all (three) sent packets are lost more than twice, then the connection is lost and the route cannot be evaluated.