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<!DOCTYPE html>
<html lang="en-GB" xml:lang="en-GB" xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta charset="utf-8" />
<title>Links | GTx HDM1.2aX</title>
<link rel="stylesheet" type="text/css" media="screen" href="./css/gtx_hdm12ax.css" title="Default style" id="rel-css-default" />
<link rel="alternate stylesheet" type="text/css" media="screen" href="./css/black-on-white.css" title="Black on white (high contrast)" id="rel-css-black-on-white" />
<link rel="alternate stylesheet" type="text/css" media="screen" href="./css/white-on-black.css" title="White on black (high contrast)" id="rel-css-white-on-black" />
<link rel="alternate stylesheet" type="text/css" media="screen" href="./css/yellow-on-black.css" title="Yellow on black (high contrast)" id="rel-css-yellow-on-black" />
<link rel="alternate stylesheet" type="text/css" media="screen" href="./css/lime-on-black.css" title="Lime on black (high contrast)" id="rel-css-lime-on-black" />
<link rel="alternate stylesheet" type="text/css" media="screen" href="./css/brown-on-buff.css" title="Brown on buff (low contrast)" id="rel-css-brown-on-buff" />
<link rel="alternate stylesheet" type="text/css" media="screen" href="./css/systemcolours.css" title="System colours" id="rel-css-system-colours" />
<link rel="alternate stylesheet" type="text/css" media="screen" href="./css/nocolours.css" title="‘No colours’" id="rel-css-no-colours" />
<meta name="robots" content="noindex, nofollow" />
<meta name="googlebot" content="noindex, nofollow" />
<meta name="author" content="Christophe Strobbe" />
</head>
<body>
<header>
<h1><span class="h1txt">Links</span></h1>
<p class="skiplink"><a class="skiplink" href="#main">Skip to main content</a></p>
</header>
<nav>
<h2>Site Navigation</h2>
<ul>
<li><a href="index.html" rel="home">Home</a></li>
<li><a href="accessibility-usability.html">Accessibility and Usability</a></li>
<li><a href="what-is-web-accessibility.html" title="What Is Web Accessibility and Why Is It Important?">Web Accessibility</a></li>
<li><a href="browser-features.html">Browser Features</a></li>
<li><a href="gpii-common-terms.html"><abbr>GPII</abbr> Common Terms</a></li>
<li><a href="glossary.html" rel="glossary"><abbr>ICT</abbr> Accessibility Glossary</a></li>
<li class="active"><a aria-current="page" href="links.html">Links</a></li>
</ul>
</nav>
<main id="main">
<section>
<h2>Accessibility and Inclusive Web Design</h2>
<section>
<h3>General Principles, Basics, Misconceptions</h3>
<ul>
<li>Léonie Watson:
<a href="https://vimeo.com/110965713">Design Like You Give a Damn</a>
(Vimeo video of a four-minute talk).
</li>
<li>Sandi Wassmer:
<a href="http://www.creativebloq.com/netmag/10-principles-inclusive-web-design-5116989">The 10 principles of inclusive web design</a>,
26 May 2011 (based on an article originally published in issue 2016 of .net magazine).
</li>
<li>Jared Smith:
<a href="http://webaim.org/blog/accessibility-lipstick-on-a-usability-pig/">Accessibility Lipstick on a Usability Pig</a>
(March 2014).
</li>
<li>Léonie Watson:
<a href="http://www.creativebloq.com/web-design/why-accessibility-not-enemy-beauty-8134056">Here's why accessibility is not the enemy of design</a>,
June 2017 (video interview, 6 minutes).
</li>
</ul>
</section>
<section>
<h3>Web Accessibility</h3>
<h4><abbr>HTML</abbr>, <abbr>CSS</abbr> and Design</h4>
<ul>
<li>Geri Coady: <a href="https://alistapart.com/article/color-accessibility-workflows" lang="en-US">Color Accessibility Workflows</a>,
<i class="magazine">A List Apart</i>, June 2017. (Excerpt from Geri Coady's book.)
</li>
<li>Web<abbr title="Accessibility in Mind">AIM</abbr>:
<a href="http://webaim.org/standards/wcag/checklist">Web<abbr>AIM</abbr>'s <abbr>WCAG></abbr> 2.0 Checklist</a>
(last updated in August 2013).
</li>
<li>John Folio:
<a href="http://john.foliot.ca/required-inputs/">Accessible <abbr>HTML</abbr>5 Forms – Required Inputs</a>,
10 January 2012. Article about browser support for the <code>required</code> attribute on form elements introduced in <abbr>HTML</abbr>5.
Although the findings are now outdated, the article illustrates that browser support does not always imply <em>accessible</em> browser support.
</li>
<li>Richard Rutter:
<a href="https://24ways.org/2006/compose-to-a-vertical-rhythm/">Compose to a Vertical Rhythm</a>,
<i class="website">24 Ways</i>, 12 December 2006.
</li>
<li>Richard Rutter:
<a href="http://webtypography.net/">The Elements of Typographic Style Applied to the Web</a>.
(<a href="https://github.com/clagnut/webtypography">Source code on GitHub</a>.)
</li>
<li>
<a href="https://stackoverflow.com/q/8318911/6002174" lang="en-US">Why does <abbr>HTML</abbr> think “chucknorris” is a color?</a>:
a question on StackOverflow. Of course, “chucknorris” is not a colour, but browsers go to extreme lengths
when dealing with malformed <abbr>HTML</abbr> or <abbr>CSS</abbr> code.
</li>
</ul>
<h4>Accessible Widgets and <abbr>WAI</abbr>-<abbr>ARIA</abbr></h4>
<ul>
<li>Marco Zehe:
<a href="https://www.marcozehe.de/2014/03/27/what-is-wai-aria-what-does-it-do-for-me-and-what-not/">What is <abbr>WAI</abbr>-<abbr>ARIA</abbr>, what does it do for me, and what not?</a>
(March 2014).
</li>
<li>Derek Featherstone: <a href="https://alistapart.com/article/aria-and-progressive-enhancement"><abbr>ARIA</abbr> and Progressive Enhancement</a>,
<i class="magazine">A List Apart</i>, 30 November 2010.
</li>
<li><a href="http://www.oaa-accessibility.org/">OpenAjax Accessibility: OpenAjax Examples</a></li>
<li><a href="http://archive.fo/1GmjQ"><abbr>DHTML</abbr> Style Guide Working Group</a>:
recommendation for keyboard shortcuts to be used in widget.
(Archived version of a style guide originally developed at <abbr>AOL</abbr>; also downloadable as ZIP file.)
</li>
<li>Steve Faulkner: <a href="https://www.paciellogroup.com/blog/2013/02/using-wai-aria-landmarks-2013/">Using <abbr>WAI</abbr>-<abbr>ARIA</abbr> Landmarks – 2013</a>
(February 2013).
</li>
</ul>
<h4>Useful Tools</h4>
<ul>
<li><a href="http://wave.webaim.org/"><abbr>WAVE</abbr> Web Accessibility Evaluation Tool</a>.</li>
<li>The Paciello Group:
<a href="https://www.paciellogroup.com/resources/contrastanalyser/">Colour Contrast Analyser (<abbr>CCA</abbr>)</a>
(free and open source; available for Microsoft Windows and Mac <abbr>OS</abbr> X).
</li>
<li><a href="http://leaverou.github.io/contrast-ratio/">Contrast Ratio</a> by Lea Verou.</li>
<li><a href="https://snook.ca/technical/colour_contrast/colour.html">Colour Contrast Check</a> by Jonathan Snook.</li>
<li><a href="http://colorsafe.co/" lang="en-US">Color Safe</a>: tool for creating accessible colour palettes.</li>
<li><a href="https://www.joedolson.com/tools/color-contrast-tester.php" lang="en-US">Color Contrast Spectrum Tester</a>
by Joseph Dolson. In spite of its name, this is not a test tool but a tool where you can input a colour and
that then generate a list of colours together with their
<a href="https://www.w3.org/TR/WCAG20/#contrast-ratiodef">contrast ratio</a>
with the colour you provided.
</li>
<li><a href="http://contrast-finder.tanaguru.com/">Tanaguru Contrast Finder</a>.</li>
<li><a href="http://pa11y.org/">Pa11y</a>:
<q cite="https://github.com/pa11y/pa11y">your automated accessibility testing pal</q>.
(<a href="https://github.com/pa11y/pa11y">Source code on GitHub</a>, <abbr lang="en-US" title="GNU Lesser General Public License">LGPL</abbr> licence version 3.0.)
</li>
<li><a href="https://addons.mozilla.org/en-US/firefox/addon/headingsmap/">HeadingsMap</a>:
Firefox add-on for checking the heading structure in <abbr>HTML</abbr> pages.
</li>
<li>Austin Cheney: <a href="https://github.com/prettydiff/a11y-tools"><abbr title="JavaScript">JS</abbr> Accessibility Tool List </a>.</li>
<li>Google Chrome:
<a href="https://github.com/GoogleChrome/accessibility-developer-tools">Accessibility Developer Tools</a>:
<q>a library of accessibility-related testing and utility code</q>.
(On GitHub; <span lang="en-US">Apache 2.0 License</span>.)
</li>
<li><a href="https://github.com/dequelabs/axe-core">axe-core</a>:
<q>Accessibility Engine for automated testing of HTML-based user interfaces</q>.
(Source code on GitHub; <span lang="en-US">Mozilla Public License</span> 2.0.)
</li>
</ul>
<h4 id="media-players">Accessible Media Players</h4>
<ul>
<li>Henny Swan: <a href="http://www.iheni.com/accessible-media-player-resources/">Accessible media player resources and demos</a>
(November 2014, updated July 2016).
</li>
<li><a href="https://github.com/ableplayer/ableplayer">ableplayer</a>:
an accessible <abbr>HTML</abbr>5 media player available on GitHub (<abbr>MIT</abbr> licence).
</li>
<li>Sam Potts:
<a href="https://plyr.io/">plyr</a>:
a <q cite="https://github.com/sampotts/plyr">simple <abbr>HTML</abbr>5, YouTube and Vimeo player</q>.
(<a href="https://github.com/sampotts/plyr">Source code on GitHub</a>, <abbr>MIT</abbr> licence.)
</li>
<li>Paypal: <a href="https://github.com/paypal/accessible-html5-video-player">Accessible <abbr>HTML</abbr>5 Video Players</a>.
(<span lang="en-US"><abbr>BSD</abbr>-3-clause "New" or "Revised" License</span>.)
</li>
<li>
<a href="https://github.com/mfpaccessibilite/MFP_AccessPlayer"><abbr lang="fr" title="Multimédia France Productions">MFP</abbr> AccessPlayer</a>:
a <q>web video player that complies with the <abbr>WCAG</abbr> and <abbr>RGAA</abbr> accessibility guidelines and
implements the <abbr>WAI</abbr>-<abbr>ARIA</abbr> specification.</q>
(<abbr>GPL</abbr> 3.0 licence.)
<!--no support for YouTube or Vimeo (GPL 3; incomplete licence)-->
</li>
<li><a href="https://source.ind.ie/project/video-player">Universal Video Player</a>:
<q>Responsive video player based on the Paypal Accessible <abbr>HTML</abbr>5 Video Player, but made responsive.</q>
(Licence: <span lang="en-US"><abbr>BSD</abbr>-3-Clause License</span>.)
</li>
</ul>
<!--Other players:
* Video.js: supports YouTube and Vimeo through plugins (Apache 2.0 licence): https://github.com/videojs/video.js
* access42: MFPvideoPlayer (GPL 3.0; no longer being maintained): https://github.com/access42/MFPvideoPlayer
* react-a11y-video: no updates since 2016: https://github.com/roman01la/react-a11y-video
* Open Media Player: "mainstream audio & video player service that puts accessibility first" (mainly PHP): https://github.com/IET-OU/open-media-player
* E-Standards Accessible HTML5 Video Player (no updates since 2014): https://github.com/vet-estandards/accessible-html5-video-player
* Video.js Amaze UI Skin (MIT License; docs in Chinese; no info on accessibility?): https://github.com/amazeui/videojs
* Vue-Video-Player (video.js player component for Vue; MIT License): https://github.com/surmon-china/vue-video-player
-->
<h4>Other Topics</h4>
<ul>
<li>Joel:
<a href="https://webdesign.tutsplus.com/articles/using-style-guides-for-accessibility--cms-29042">Using Style Guides for Accessibility</a>,
<i class="website">Envato Tuts+</i>, 19.06.2017.
</li>
<li><a href="http://a11yproject.com/">The <abbr>A11Y</abbr> Project</a>:
<q>A community-driven effort to make web accessibility easier.</q>
(<a href="https://github.com/a11yproject/a11yproject.com"><abbr>A11Y</abbr> Project on GitHub</a>)
</li>
<li><a href="https://www.marcozehe.de/">Marco's Accessibility Blog</a>
(Marco Zehe has been working as Mozilla accessibility <abbr>QA</abbr> engineer since 2007).
</li>
<li>Talita Pagani:
<a href="https://github.com/talitapagani/gaia"><abbr>GAIA</abbr> - Guidelines for Accessible Interfaces for Autistics</a>
(licence: <abbr lang="en-US" title="GNU General Public License">GPL</abbr> 2.0).
</li>
<li>
<a href="https://ux.stackexchange.com/questions/tagged/accessibility">Questions tagged “Accessibility”</a>
on User Experience Stack Exchange.
</li>
</ul>
</section>
</section>
<section>
<h2>Web Development</h2>
<section>
<h3><abbr>HTML</abbr> and Web Development in General</h3>
<ul>
<li><a href="http://html5doctor.com/"><abbr>HTML</abbr>5 Doctor</a></li>
<li><a href="http://caniuse.com/">Can I Use</a>:
Support tables for <abbr>HTML</abbr>5, <abbr>CSS</abbr>, JavaScript and <abbr>SVG</abbr>.
</li>
<li>
<a href="https://www.w3schools.com/"><abbr>W3</abbr>Schools</a>:
online tutorials for <abbr>HTML</abbr>,
<a href="https://www.w3schools.com/css/default.asp"><abbr>CSS</abbr></a>
<a href="https://www.w3schools.com/js/default.asp">JavaScript</a>
(including various JavaScript libraries),
<a href="https://www.w3schools.com/js/js_json_intro.asp"><abbr>JSON</abbr></a>,
Node.js, <abbr>PHP</abbr> and <abbr>XML</abbr>.
</li>
<li>
<a href="https://www.freecodecamp.org/">freeCodeCamp</a>: website with free programming tutorials.
</li>
<li>
<a href="https://www.codecademy.com/">Codecademy</a>: website with free programming tutorials.
</li>
<li><a href="http://html5pattern.com/"><abbr>HTML</abbr>5Pattern</a>:
website that lists regularly used
<a href="https://www.w3.org/TR/html5/forms.html#the-pattern-attribute">input patterns</a>
for <code>input</code> elements in forms.
</li>
<li>
<a href="https://github.com/Modernizr/Modernizr/wiki/HTML5-Cross-browser-Polyfills"><abbr>HTML</abbr>5 Cross Browser Polyfills</a>.
</li>
</ul>
</section>
<section>
<h3>Cascading Style Sheets (<abbr>CSS</abbr>)</h3>
<ul>
<li><abbr>W3C</abbr>: <a href="https://www.w3.org/Style/CSS/learning">Learning <abbr>CSS</abbr></a>.</li>
<li><a href="https://alistapart.com/topic/css">A List Apart articles about <abbr>CSS</abbr></a>.</li>
<li><a href="https://css-tricks.com/"><abbr>CSS</abbr>-Tricks</a>.</li>
<li><a href="http://www.css-discuss.org/"><abbr>css</abbr>-discuss</a> (mailing list)
and
<a href="http://css-discuss.incutio.com/wiki/Main_Page"><abbr>CSS</abbr> Discuss</a> (wiki).
</li>
<li><a href="http://www.csszengarden.com/"><abbr>CSS</abbr> Zen Garden</a>.
(See also
<a href="https://github.com/mezzoblue/csszengarden.com">the source of <abbr>CSS</abbr> Zen Garden on GitHub</a>,
available under the Creative Commons licence.)
</li>
</ul>
</section>
<section>
<h3>JavaScript</h3>
<ul>
<li>Marijn Haverbeke: <a href="http://eloquentjavascript.net/">Eloquent JavaScript</a>
(online book available under a Creative Commons Attribution-Noncommercial License).
</li>
<li><a href="https://github.com/getify/You-Dont-Know-JS">You Don't Know <abbr>JS</abbr></a>: book series on JavaScript.
(Available under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International licence.)
</li>
<li><a href="https://github.com/learn-javascript-courses/learn-javascript">Learn JavaScript with Eric Elliott</a>.</li>
<li><a href="https://github.com/workshopper/javascripting">JavaScripting</a> (Nodeschool).</li>
<li><a href="http://jstherightway.org/">JavaScript: The Right Way</a>.
(<a href="https://github.com/braziljs/js-the-right-way">GitHub repository</a>, content available under a
Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License.)
</li>
<li>Nicholas C. Zakas:
<a href="https://www.nczonline.net/blog/2012/03/13/its-time-to-start-using-javascript-strict-mode/">It’s time to start using JavaScript strict mode</a>,
<i class="blog"><abbr>NCZ</abbr>Online</i>, 13.03.2012.
</li>
<li>Nicholas C. Zakas:
<a href="https://www.nczonline.net/blog/2016/10/the-ecmascript-2016-change-you-probably-dont-know/">The ECMAScript 2016 change you probably don't know</a>,
<i class="blog"><abbr>NCZ</abbr>Online</i>, 18.10.2016.
</li>
<li>Asynchronous JavaScript and Callbacks:
<ul>
<li>Stephen Mayeux:
<a href="https://medium.freecodecamp.org/understanding-asynchronous-javascript-callbacks-through-household-chores-e3de9a1dbd04">Understanding Asynchronous JavaScript Callbacks Through Household Chores</a>,
<i class="website">freeCodeCamp</i>, 16.05.2016.
</li>
<li>
<a href="http://callbackhell.com/">Callback Hell</a>:
<q>A guide to writing asynchronous JavaScript programs</q>.
(See <a href="https://github.com/maxogden/callback-hell">source on GitHub</a>; no licence.)
</li>
</ul>
</li>
<li>Cross-Origin Resource Sharing:
<ul>
<li>Todd Anglin:
<a href="http://www.telerik.com/blogs/using-cors-with-all-modern-browsers">Using <abbr title="Cross-Origin Resource Sharing">CORS</abbr> with All (Modern) Browsers</a>,
<i class="blog">Telerik Blogs</i>, 03.10.2011.
</li>
<li>Monsur Hossain:
<a href="https://www.html5rocks.com/en/tutorials/cors/">Using <abbr>CORS</abbr></a>,
<i class="website"><abbr>HTML</abbr>5 Rocks</i>, 26.10.2011, updated 29.10.2013.
</li>
<li>Nicholas C. Zakas:
<a href="https://www.nczonline.net/blog/2010/05/25/cross-domain-ajax-with-cross-origin-resource-sharing/">Cross-domain Ajax with Cross-Origin Resource Sharing</a>,
<i class="blog"><abbr>NCZ</abbr>Online</i>, 25.05.2010.
</li>
<li>
<a href="https://test-cors.appspot.com/#technical">Test <abbr>CORS</abbr> support</a>.
</li>
<li>
<a href="https://w3c.github.io/webappsec-cors-for-developers/"><abbr>CORS</abbr> for Developers: <abbr>W3C</abbr> Working Group Note, 15 October 2016</a>.
</li>
<li>
<a href="https://www.w3.org/TR/cors/">Cross-Origin Resource Sharing: <abbr>W3C</abbr> Recommendation 16 January 2014</a>.
</li>
</ul>
</li>
<li><abbr title="JavaScript Object Notation">JSON</abbr>:
<ul>
<li>
<a href="https://github.com/substack/js-traverse">js-traverse</a>:
open-source JavaScript library for traversing object, including <abbr>JSON</abbr>.
(Licence: <abbr>MIT</abbr>.)
</li>
<li>
<a href="https://stackoverflow.com/q/722668/6002174">Traverse all the Nodes of a <abbr>JSON</abbr> Object Tree with JavaScript</a>
(StackOverflow question asked in 2009).
</li>
<li>Magnus Holm:
<a href="http://timelessrepo.com/json-isnt-a-javascript-subset"><abbr>JSON</abbr>: The JavaScript subset that isn't</a>,
<i class="website">Timeless</i> (no date).
</li>
</ul>
</li>
<li><span lang="de">Philip Ackermann</span>:
<a href="https://github.com/cleancoderocker/jslinks">Yet Another <abbr>JS</abbr> Link Collection</a>.
</li>
</ul>
</section>
<section>
<h3>Validators and Other Testing Tools</h3>
<ul>
<li><a href="http://www.html-tidy.org/"><abbr>HTML</abbr> Tidy</a>:
<q>The granddaddy of HTML tools.</q>
(<a href="https://github.com/htacg/tidy-html5"><abbr>HTML</abbr> Tidy on GitHub</a>.)
</li>
<li><a href="https://validator.w3.org/">The <abbr>W3C</abbr> Markup Validation Service</a>.
(See also <a href="https://validator.w3.org/nu/about.html">About the Nu <abbr>Html</abbr> Checker</a>
and
<a href="https://www.w3.org/wiki/Validating_your_HTML">Validating your <abbr>HTML</abbr></a>.)
</li>
<li><a href="https://jigsaw.w3.org/css-validator/">The <abbr>W3C</abbr> <abbr>CSS</abbr> Validation Service</a>.</li>
<li><a href="https://validator.w3.org/checklink"><abbr>W3C</abbr> Link Checker</a>.</li>
<li><a href="http://www.deadlinkchecker.com/website-dead-link-checker.asp">Broken Link Checker Tool</a>
(by Traffic Names <abbr>Ltd</abbr>, <abbr>UK</abbr>).
</li>
<li>Jens Meiert: <a href="https://github.com/j9t/qa-style-sheet"><abbr>QA</abbr> Style Sheet</a>.</li>
<li>Heydon Pickering: <a href="https://github.com/Heydon/REVENGE.CSS">REVENCE.CSS</a>:
<q><abbr>CSS</abbr> bookmarklet that puts pink error boxes (with messages in comic sans) everywhere you write bad <abbr>HTML</abbr></q>.
(Available under a <span lang="en-US">Creative Commons Attribution 3.0 Unported license</span>.)
</li>
<li>Kevin Lamping:
<a href="http://www.creativebloq.com/features/the-5-best-visual-regression-testing-tools">The 5 best visual regression testing tools</a>,
June 2017.
</li>
<li>Jonathan Hedley:
<a href="https://github.com/jhy/jsoup">jsoup</a>:
<q>Java <abbr>HTML</abbr> Parser, with best of <abbr>DOM</abbr>, <abbr>CSS</abbr>, and jquery</q>.
(Available under <abbr>MIT</abbr> licence.)
</li>
<li><a href="https://github.com/unsoup/validator#using-the-schemas-from-vnu-with-other-tools">Using the schemas from v.Nu with other tools</a>.</li>
<li><a href="http://csslint.net/"><abbr>CSS</abbr> Lint</a>.
(<a href="https://github.com/CSSLint/csslint"><abbr>CSS</abbr> Lint source code on GitHub</a>, <abbr>MIT</abbr> licence.)
</li>
<li><a href="http://jshint.com/"><abbr>JS</abbr>Hint, a JavaScript Quality Tool</a>:
this is a <a href="https://en.wikipedia.org/wiki/Lint_(software)">lint-like tool</a> for JavaScript (forked from <abbr>JS</abbr>Lint).
It can catch many errors in your code before you run it in a browser.
(<a href="https://github.com/jshint/jshint"><abbr>JS</abbr>Hint on GitHub</a>, <abbr>MIT</abbr> licence.)
</li>
<li><a href="http://jslint.com/"><abbr>JS</abbr>Lint, The JavaScript Code Quality Tool</a>:
a lint-like tool for JavaScript originally developed by Douglas Crockford.
</li>
<li><a href="https://jsonlint.com/"><abbr>JSON</abbr>Lint - The <abbr>JSON</abbr> Validator</a>.
(<a href="https://github.com/circlecell/jsonlint.com"><abbr>JSON</abbr>Lint source code on GitHub</a>,
<abbr title="Internet Systems Consortium">ISC</abbr> License.)
</li>
<!-- li><a href="http://www.w3resource.com/JSON/validate-JSON-with-JSONLint.php">Validate <abbr>JSON</abbr> with <abbr>JSON</abbr>Lint</a>.</li -->
<li><a href="https://jsoncompare.com/#!/simple/"><abbr>JSON</abbr>Compare - The Advanced <abbr>JSON</abbr> Linting & Comparison Tool</a>.
(<a href="https://github.com/circlecell/jsoncompare.com">Source code on GitHub</a>, <abbr title="Internet Systems Consortium">ISC</abbr> License.)
</li>
<li>
<a href="https://jsonformatter.curiousconcept.com/"><abbr>JSON</abbr> Formatter & Validator</a>:
validates conformance with
<a href="http://www.ietf.org/rfc/rfc4627.txt"><abbr>RFC</abbr> 4627</a> (2006, obsoleted by <abbr>RFC</abbr> 7159),
<a href="https://www.rfc-editor.org/rfc/rfc7159.txt"><abbr>RFC</abbr> 7159</a> or
<a href="http://www.ecma-international.org/publications/files/ECMA-ST/ECMA-404.pdf"><abbr>ECMA</abbr> 404</a>.
</li>
</ul>
</section>
<section>
<h3>Other References</h3>
<ul>
<li>
<a href="https://www.quirksmode.org/">QuirksMode</a>,
a website by <span lang="nl-NL">Peter-Paul Koch</span>;
<q>the prime source for browser compatibility information on the Internet</q>.
</li>
<li>Microformats Wiki:
<a href="http://microformats.org/wiki/existing-rel-values#HTML5_link_type_extensions"><abbr>HTML</abbr>5 link type extensions</a>:
link types that can be used in the <code>link</code> elements
<a href="https://www.w3.org/TR/html5/document-metadata.html#attr-link-type"><code>type</code> attribute</a>.
</li>
<li>
<a href="https://webplatform.github.io/">WebPlatform</a>:
<q cite="https://webplatform.github.io/docs/WPD/Policy/">a site dedicated to documenting and teaching people about open web standards</q>.
</li>
<li>Tomomi Imura:
<a href="http://www.girliemac.com/blog/2011/11/28/html5-form-field-validation-with-css3/"><abbr>HTML</abbr>5 Form Field Validation with <abbr>CSS</abbr>3</a>,
28 November 2011.<!-- licence: CC-BY-SA -->
</li>
<li>Tomomi Imura:
<a href="http://www.girliemac.com/blog/2012/11/21/html5-form-validation/">Creating A Custom <abbr>HTML</abbr>5 Form Validation</a>,
21 November 2012.<!-- licence: CC-BY-SA -->
</li>
<li>
<a href="http://markapp.io/">MarkApp: Building apps with <abbr>HTML</abbr></a>:
a list of JavaScript libraries that by writing <abbr>HTML</abbr> instead of writing JavaScript.
For background, see Lea Verou's article
<a href="http://lea.verou.me/2016/08/markapp-a-list-of-html-libraries/">Markapp: A list of <abbr>HTML</abbr> libraries</a>
(26 August 2016).
</li>
<li>Lea Verou:
<a href="http://lea.verou.me/2016/11/url-rewriting-with-github-pages/"><abbr>URL</abbr> rewriting with Github Pages</a>
(26 November 2016).
</li>
<li>Rustam Tagiev:
<a href="https://yalantis.com/blog/japanese-chinese-and-arabic-layouts-in-user-interface-and-user-experience-design/">Arabic, Japanese, and Chinese Layouts in User Interface and User Experience Design</a>,
<i class="blog">Yalantis blog</i> (no date).
</li>
<li>Hala Hemayssi, Charles Field, Robert Moll, Elyse Sanchez:
<a href="http://uxpamagazine.org/designing-an-arabic-ui/">Designing an Arabic User Interface: Methods and Techniques for Bridging Cultures</a>,
<i class="magazine">User Experience</i>, March 2006.
</li>
<li>Mozilla Corporation:
<a href="https://www.mozilla.org/en-US/firefox/developer/">Firefox Developer Edition</a>.
(This replaces <a href="http://getfirebug.com/">Firebug</a>, which is no longer being developed.
</li>
<li>Mozilla Developer Network:
<a href="https://developer.mozilla.org/en-US/docs/Tools">Firefox Developer Tools</a>.
</li>
<li>
<a href="https://www.debugbar.com/">DebugBar</a>: developer tool for Internet Explorer.
</li>
</ul>
</section>
</section>
<section>
<h2>Personalization and Customization</h2>
<ul>
<li>Michael Skelton:
<a href="http://www.bbc.co.uk/blogs/internet/entries/f2a81462-e119-444f-8d5a-dbbd2c6b2871"><abbr>BBC</abbr> Homepage: Pick your own mix with customisation</a>,
<i class="blog"><abbr>BBC</abbr> Internet Blog</i>, 3 August 2015.
</li>
<li>Alastair Campbell:
<a href="https://alastairc.ac/2017/02/four-levels-of-accessibility-customisation/">Four levels of accessibility customisation</a>,
<i class="blog">AlastairC</i>, 17 February 2017.
</li>
<li>Caitlin MacDonald:
<a href="http://www.towerdata.com/blog/2012/02/22/personalization-vs-customization-2">Personalization <abbr>vs.</abbr> Customization</a>,
<i class="blog">TowerData Email Solutions Blog</i>, 22 February 2012.
</li>
<li>Jared Spool:
<a href="https://www.uie.com/brainsparks/2011/09/14/do-users-change-their-settings/">Do users change their settings?</a>,
<i class="blog">User Interface Engineering Blog</i>, 14 September 2011.
</li>
</ul>
</section>
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