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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width initial-scale=1">
<meta name="description" content="Practical approaches to Universal Design for making your website/webapp accessible to everyone">
<meta property="og:description" content="Practical approaches to Universal Design for making your website/webapp accessible to everyone">
<meta property="og:url" content="https://moritzgiessmann.de/accessibility-cheatsheet">
<meta property="og:type" content="article">
<meta property="article:published_time" content="2023-03-06">
<meta property="og:image" content="https://moritzgiessmann.de/accessibility-cheatsheet/square-500.png">
<meta property="og:image:width" content="500">
<meta property="og:image:height" content="500">
<title>Accessibility Cheatsheet — Practical approaches to Universal Design</title>
<meta property="og:title" content="Accessibility Cheatsheet">
<style>
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</style>
</head>
<body>
<div id="page" data-size="A4">
<header>
<sup><abbr title="Version" aria-label="Version">v</abbr>0.12 – 2024-05-20</sup>
<h1>Accessibility Cheatsheet</h1>
<p>Practical approaches to Universal Design for making <br>your website/webapp accessible to everyone
<sub><a href="https://moritzgiessmann.de/accessibility-cheatsheet/">https://moritzgiessmann.de/accessibility-cheatsheet/</a></sub>
</p>
<a href='https://ko-fi.com/J3J3JAWO1' target='_blank' class="kofi-link">
<img height='36' src='https://storage.ko-fi.com/cdn/kofi3.png?v=3' border='0' alt='Buy Me a Coffee at ko-fi.com' />
</a>
</header>
<main>
<section class="top">
<h2>Design for accessibility</h2>
<article>
<svg class="icon" viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg">
<title id="simpleicons-html5-icon">HTML5 icon</title>
<path d="M1.5 0h21l-1.91 21.563L11.977 24l-8.564-2.438L1.5 0zm7.031 9.75l-.232-2.718 10.059.003.23-2.622L5.412 4.41l.698 8.01h9.126l-.326 3.426-2.91.804-2.955-.81-.188-2.11H6.248l.33 4.171L12 19.351l5.379-1.443.744-8.157H8.531z" />
</svg>
<div class="content">
<h3>Use semantic HTML</h3>
<p>Semantic <abbr title="Hyper Text Markup Language">HTML</abbr> helps screenreader users to
understand the contents structure and gives it meaning. Ask yourself "<a href="https://developer.mozilla.org/en-US/docs/Web/HTML/Element" target="_blank">What is it?</a>" when writing HTML. Use a
<strong>logical headline order</strong> and structuring elements as <strong>header, footer,
ul, p
</strong>…</p>
</div>
</article>
<article>
<svg class="icon" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"
version="1.1" x="0px" y="0px" viewBox="-434 236 90 112.5" style="enable-background:new -434 236 90 90;"
xml:space="preserve">
<style type="text/css">
.st0 {
fill: none;
stroke: #000000;
stroke-width: 5;
stroke-miterlimit: 10;
}
</style>
<g>
<path d="M-405,261.6c1.6,1.6,2.4,3.5,2.4,5.8c0,2.3-0.8,4.2-2.4,5.8c-1.6,1.6-3.5,2.4-5.8,2.4c-2.3,0-4.2-0.8-5.8-2.4 c-1.6-1.6-2.4-3.5-2.4-5.8c0-2.3,0.8-4.2,2.4-5.8c1.6-1.6,3.5-2.4,5.8-2.4C-408.5,259.2-406.6,260-405,261.6z M-359,283.7v19.1 H-419v-8.2l13.6-13.6l6.8,6.8l21.8-21.8L-359,283.7z" />
</g>
<rect x="-426.2" y="251.3" class="st0" width="74.4" height="59.4" />
</svg>
<div class="content">
<h3>Provide text for non-text content</h3>
<p>Every content not represented by text is invisible for screen readers. Provide <strong><a href="https://www.w3.org/WAI/WCAG22/Understanding/non-text-content.html" target="_blank">concise
descriptions</a> in alt attributes</strong> for all content images and text alternatives
for
charts etc. <abbr title="Completely Automated Public Turing test to tell Computers and Humans Apart">CAPTCHAs</abbr>
also need to be accessible.</p>
</div>
</article>
<article>
<svg class="icon" xmlns:svg="http://www.w3.org/2000/svg" version="1.1" x="0px" y="0px" viewBox="0 0 100 125">
<g transform="translate(0,-952.36218)">
<path style="text-indent:0;text-transform:none;direction:ltr;block-progression:tb;baseline-shift:baseline;color:#000000;enable-background:accumulate;"
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fill-opacity="1" stroke="none" marker="none" visibility="visible"
display="inline" overflow="visible" />
</g>
</svg>
<div class="content">
<h3>Add labels to form elements</h3>
<p>Form input elements need <a href="https://www.w3.org/WAI/WCAG22/Understanding/labels-or-instructions.html" target="_blank">linked <strong><code><label></code></strong>s</a> for <strong>screenreaders
access
</strong>. Example: <code><label for="search">Search</label><input id="search"></code>
<br><strong>The <code>placeholder</code> attribute is not an alternative.</strong>
</p>
</div>
</article>
<article>
<svg class="icon" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"
version="1.1" x="0px" y="0px" viewBox="0 0 100 125" enable-background="new 0 0 100 100"
xml:space="preserve">
<path d="M94.1,46h-9.25C83.007,29.847,70.154,16.994,54,15.151V5.9h-8v9.251C29.846,16.994,16.993,29.847,15.15,46H5.9v8h9.25 C16.994,70.154,29.846,83.006,46,84.849V94.1h8v-9.251C70.154,83.006,83.006,70.154,84.85,54h9.25V46z M54,76.785V67.85h-8v8.936 C34.262,75.04,24.959,65.738,23.214,54h8.937v-8h-8.938C24.959,34.263,34.262,24.96,46,23.215v8.936h8v-8.936 C65.738,24.96,75.041,34.263,76.787,46H67.85v8h8.937C75.041,65.738,65.738,75.04,54,76.785z" /></svg>
<div class="content">
<h3>Show where your :focus is</h3>
<p>Navigating by keyboard needs the <a href="https://www.w3.org/WAI/WCAG22/Understanding/focus-visible.html" target="_blank"><strong>currently focused element to be visibly highlighted</strong></a>.
Interactive elements should get focused in a <strong>useful order</strong> and be focusable
by
default. E.g. take a <code><button></code> instead of a <code><span></code>
</p>
</div>
</article>
<article>
<svg class="icon" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"
version="1.1" x="0px" y="0px" viewBox="-434 236 90 112.5" style="enable-background:new -434 236 90 90;"
xml:space="preserve">
<g>
<path d="M-358.2,263.1c3.2,5.5,4.8,11.4,4.8,17.9s-1.6,12.4-4.8,17.9c-3.2,5.5-7.5,9.8-12.9,12.9c-5.5,3.2-11.4,4.8-17.9,4.8 s-12.4-1.6-17.9-4.8c-5.5-3.2-9.8-7.5-12.9-12.9c-3.2-5.5-4.8-11.4-4.8-17.9s1.6-12.4,4.8-17.9c3.2-5.5,7.5-9.8,12.9-12.9 c5.5-3.2,11.4-4.8,17.9-4.8s12.4,1.6,17.9,4.8C-365.7,253.4-361.4,257.7-358.2,263.1z M-389,306.2v-50.4c-4.6,0-8.8,1.1-12.6,3.4 s-6.9,5.3-9.2,9.2c-2.3,3.9-3.4,8.1-3.4,12.6c0,4.6,1.1,8.8,3.4,12.6c2.3,3.9,5.3,6.9,9.2,9.2S-393.6,306.2-389,306.2z" />
</g>
</svg>
<div class="content">
<h3>Use contrasting colors</h3>
<p>
<a href="https://www.w3.org/WAI/WCAG22/Understanding/contrast-minimum.html" aria-label="Contrast minumum explanation of the WCAG" target="_blank">
<img alt="Text with good and bad contrast to it’s background-color. Always choose high contrast"
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">
</a>
</p>
</div>
</article>
<article>
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<div class="content">
<h3>Understandable without color</h3>
<p>
<img class="figure-40" alt="Form error in black and white" src=" data:image/png;base64,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">Colors
should <a href="https://www.w3.org/WAI/WCAG22/Understanding/use-of-color.html" target="_blank"><strong>not be necessary to understand the content</strong></a> and its current state.
For
example don’t highlight errors just with red text. <strong>Add a subsidiary icon</strong>.
</p>
</div>
</article>
<article>
<svg class="icon" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"
version="1.1" x="0px" y="0px" viewBox="-434 236 90 112.5" style="enable-background:new -434 236 90 90;"
xml:space="preserve">
<g>
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</g>
</svg>
<div class="content">
<h3>Write descriptive links</h3>
<p>
<a href="https://www.w3.org/WAI/WCAG22/Understanding/link-purpose-in-context.html" aria-label="Descriptive links explanatiopn of the WCAG"><img alt="Linktexts: Wrong: Click here. Right: Assignment instructions" class="figure-full"
src=" 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</a>
</p>
</div>
</article>
<article>
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<div class="content">
<h3>Caption video and audio</h3>
<p>Provide <a href="https://www.w3.org/WAI/WCAG22/Understanding/captions-prerecorded.html" target="_blank"><strong>text alternatives for audio and video</strong></a> content. Captions should be
made available with pre-recorded and live video/audio content. Voice recognition software can
help create captions for some type of videos.</p>
</div>
</article>
<article>
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</svg>
<div class="content">
<h3>Keep pinch and zoom alive</h3>
<p>Pinching to zoom is very common and helps aging and low vision users. Use this <strong><code><meta name="viewport"</code></strong>
statement: <strong><code>user-scalable="yes"</code></strong>. Avoid <del><code>user-scalable= "no"</code></del>
and <del><code>maximum-scale: 1</code></del> at any cost.</p>
</div>
</article>
<article>
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<g>
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<div class="content">
<h3>Use WAI-ARIA only if necessary</h3>
<p>Dynamic sites such as single page applications tend to get complicated when it comes to
accessibility. Semantic HTML should always be considered before using <strong><a
href="https://www.w3.org/TR/wai-aria/" target="_blank"><abbr title="Web Accessibility Initiative - Accessible Rich Internet Applications">WAI-ARIA</abbr></a>.</strong></p>
</div>
</article>
</section>
<section class="bottom">
<h2>Test for accessibility</h2>
<article>
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xml:space="preserve">
<g>
<path d="M92.239,83.48L72.58,63.818c4.129-5.909,6.553-13.031,6.553-20.721c0-20.001-16.364-36.328-36.329-36.328 c-20.001,0-36.366,16.327-36.366,36.328c0,20.002,16.365,36.366,36.366,36.366c7.69,0,14.812-2.462,20.684-6.554l19.66,19.623 c2.501,2.539,6.591,2.539,9.092,0C94.74,90.033,94.74,85.981,92.239,83.48z M42.804,66.622c-13.069,0-23.524-10.456-23.524-23.524 c0-13.069,10.455-23.524,23.524-23.524c13.032,0,23.487,10.456,23.487,23.524C66.291,56.166,55.836,66.622,42.804,66.622z" />
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</g>
</svg>
<div class="content">
<h3>Zoom to 400%</h3>
<p>Use your browser or document viewer zoom. Does all text remain visible?</p>
</div>
</article>
<article>
<svg class="icon" xmlns="http://www.w3.org/2000/svg" xmlns:sketch="http://www.bohemiancoding.com/sketch/ns"
viewBox="0 0 512 640" x="0px" y="0px">
<title>Keyboard</title>
<path d="M512 159.991v224.019c0 17.66-14.329 31.991-32.004 31.991h-447.993c-17.674 0-32.004-14.323-32.004-31.991v-224.019c0-17.66 14.329-31.991 32.004-31.991h207.996v-32h32v32h207.996c17.674 0 32.004 14.323 32.004 31.991zm-480 216.004c0 4.421 3.573 8.005 8.002 8.005h431.996c4.419 0 8.002-3.586 8.002-8.005v-207.989c0-4.421-3.573-8.005-8.002-8.005h-431.996c-4.419 0-8.002 3.586-8.002 8.005v207.989zm96-87.995v-32h-64v32h64zm224-64v-32h-32v32h32zm-64 0v-32h-32v32h32zm-128 0v-32h-32v32h32zm64 0v-32h-32v32h32zm-128 0v-32h-32v32h32zm160 64v-32h-32v32h32zm-64 0v-32h-32v32h32zm128 0v-32h-32v32h32zm64 0v-32h-32v32h32zm64 64v-32h-32v32h32zm0-160v96h-32v-64h-32v-32h64zm-64 160v-32h-256v32h256zm-288 0v-32h-32v32h32z"
sketch:type="MSShapeGroup" fill-rule="evenodd" />
</svg>
<div class="content">
<h3>Check keyboard navigation</h3>
<p>Navigate just using
<span aria-label="Left arrow">←</span><span aria-label="Up arrow">↑</span><span
aria-label="Down arrow">↓</span><span aria-label="Right arrow">→</span> TAB,
SHIFT+TAB, ESC, SPACE and ENTER keys.</p>
</div>
</article>
<article>
<svg class="icon" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"
version="1.1" x="0px" y="0px" viewBox="0 0 100 100" style="enable-background:new 0 0 100 100;"
xml:space="preserve">
<g>
<path d="M79.76,14.72H20.24c-4.46,0-8.09,3.63-8.09,8.09v41.58c0,4.46,3.63,8.09,8.09,8.09h21.38c-0.47,4.36-1.92,10.15-4.9,10.15 c-0.83,0-1.5,0.67-1.5,1.5s0.67,1.5,1.5,1.5h26.56c0.83,0,1.5-0.67,1.5-1.5s-0.67-1.5-1.5-1.5c-2.97,0-4.42-5.79-4.9-10.15h21.38 c4.46,0,8.09-3.63,8.09-8.09V22.81C87.86,18.35,84.22,14.72,79.76,14.72z M58.28,82.63H41.72c1.93-2.93,2.65-7.35,2.92-10.15h10.72 C55.63,75.28,56.35,79.7,58.28,82.63z M82.86,64.39c0,1.71-1.39,3.09-3.09,3.09H20.24c-1.71,0-3.09-1.39-3.09-3.09V22.81 c0-1.71,1.39-3.09,3.09-3.09h59.53c1.71,0,3.09,1.39,3.09,3.09V64.39z"></path>
<path d="M66.16,26.84c-0.62-0.55-1.57-0.48-2.12,0.14c-0.55,0.62-0.48,1.57,0.14,2.12c4.23,3.71,6.66,9,6.66,14.5 c0,5.5-2.43,10.79-6.66,14.5c-0.62,0.55-0.68,1.49-0.14,2.12c0.3,0.34,0.71,0.51,1.13,0.51c0.35,0,0.7-0.12,0.99-0.37 c4.88-4.28,7.68-10.39,7.68-16.75C73.84,37.23,71.04,31.13,66.16,26.84z"></path>
<path d="M62.02,30.87c-0.63-0.54-1.58-0.46-2.12,0.17c-0.54,0.63-0.46,1.58,0.17,2.11c3.11,2.65,4.89,6.46,4.89,10.45 c0,3.99-1.78,7.79-4.89,10.45c-0.63,0.54-0.71,1.48-0.17,2.11c0.3,0.35,0.72,0.53,1.14,0.53c0.34,0,0.69-0.12,0.97-0.36 c3.78-3.22,5.95-7.86,5.95-12.73C67.96,38.73,65.8,34.09,62.02,30.87z"></path>
<path d="M57.85,34.89c-0.65-0.52-1.59-0.41-2.11,0.23c-0.52,0.65-0.42,1.59,0.23,2.11c1.98,1.59,3.11,3.91,3.11,6.37 c0,2.46-1.13,4.79-3.11,6.37c-0.65,0.52-0.75,1.46-0.23,2.11c0.3,0.37,0.73,0.56,1.17,0.56c0.33,0,0.66-0.11,0.94-0.33 c2.69-2.16,4.23-5.33,4.23-8.71C62.08,40.22,60.54,37.04,57.85,34.89z"></path>
<path d="M39.47,30.28c-7.34,0-13.31,5.97-13.31,13.31c0,7.34,5.97,13.32,13.31,13.32s13.31-5.97,13.31-13.32 C52.79,36.26,46.81,30.28,39.47,30.28z M39.47,53.92c-5.69,0-10.31-4.63-10.31-10.32c0-5.69,4.63-10.31,10.31-10.31 s10.31,4.63,10.31,10.31C49.79,49.29,45.16,53.92,39.47,53.92z"></path>
<path d="M39.47,38.73c0.77,0,1.39-0.62,1.39-1.39s-0.62-1.39-1.39-1.39c-0.77,0-1.39,0.62-1.39,1.39S38.7,38.73,39.47,38.73z"></path>
<path d="M44.55,40.22l-3.91,0.55H38.3l-3.91-0.55c-0.34-0.05-0.67,0.25-0.73,0.67s0.17,0.8,0.52,0.85l4.05,0.57v2.55l-2.18,5.26 c-0.16,0.39,0.03,0.84,0.42,1s0.84-0.03,1-0.42l2-4.84l2,4.84c0.16,0.39,0.61,0.58,1,0.42s0.58-0.61,0.42-1l-2.18-5.26v-2.55 l4.05-0.57c0.34-0.05,0.58-0.43,0.52-0.85S44.89,40.17,44.55,40.22z"></path>
</g>
</svg>
<div class="content">
<h3>Turn your monitor off and use a screen-reader</h3>
<p>E.g. Apple <a href="https://help.apple.com/voiceover/info/guide/" target="_blank">Voiceover</a> or <a href="https://www.nvaccess.org/" target="_blank"><abbr title="NonVisual Desktop Access" aria-label="NonVisual Desktop Access">NVDA</abbr></a>
on Windows</p>
</div>
</article>
<article>
<svg class="icon" viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg">
<title id="simpleicons-googlechrome-icon">Google Chrome icon</title>
<path d="M16.214 8.69l6.715-1.679A12.027 12.027 0 0 1 24 11.972C24 18.57 18.569 24 11.968 24c-.302 0-.605-.011-.907-.034l4.905-8.347c.356-.376.655-.803.881-1.271a5.451 5.451 0 0 0-.043-4.748 5.156 5.156 0 0 0-.59-.91zm-3.24 8.575l-2.121 6.682C4.738 23.345 0 18.14 0 11.977 0 9.592.709 7.26 2.038 5.279l4.834 8.377c.18.539 1.119 2.581 3.067 3.327.998.382 2.041.481 3.035.282zM11.973 7.62c-2.006.019-3.878 1.544-4.281 3.512a4.478 4.478 0 0 0 1.237 4.032c1.214 1.186 3.14 1.578 4.734.927 1.408-.576 2.47-1.927 2.691-3.431.272-1.856-.788-3.832-2.495-4.629a4.413 4.413 0 0 0-1.886-.411zM7.046 9.962L2.259 4.963A12.043 12.043 0 0 1 11.997 0c4.56 0 8.744 2.592 10.774 6.675H12.558c-1.811-.125-3.288.52-4.265 1.453a5.345 5.345 0 0 0-1.247 1.834z" />
</svg>
<div class="content">
<h3>Run Lighthouse accessibility audit</h3>
<p>It’s in the "Audits" section inside of the Chrome DevTools.</p>
</div>
</article>
<article>
<svg class="icon" viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg">
<title id="simpleicons-css3-icon">CSS3 icon</title>
<path d="M1.5 0h21l-1.91 21.563L11.977 24l-8.565-2.438L1.5 0zm17.09 4.413L5.41 4.41l.213 2.622 10.125.002-.255 2.716h-6.64l.24 2.573h6.182l-.366 3.523-2.91.804-2.956-.81-.188-2.11h-2.61l.29 3.855L12 19.288l5.373-1.53L18.59 4.414z" />
</svg>
<div class="content">
<h3>Deactivate CSS</h3>
<p>Check if the document structure still makes sense.</p>
</div>
</article>
</section>
</main>
<footer>
<aside class="home">
<a href="https://moritzgiessmann.de" class="home-link">← Back to the homepage</a>
<a href="https://github.com/MoritzGiessmann/accessibility-cheatsheet" target="_blank" class="github-corner" title="View source on GitHub" aria-labelledby="src-on-github">
<span id="src-on-github">View source on GitHub</span>
<svg width="80" height="80" viewBox="0 0 250 250" class="github-svg"
aria-hidden="true">
<path d="M0,0 L115,115 L130,115 L142,142 L250,250 L250,0 Z"></path>
<path
d="M128.3,109.0 C113.8,99.7 119.0,89.6 119.0,89.6 C122.0,82.7 120.5,78.6 120.5,78.6 C119.2,72.0 123.4,76.3 123.4,76.3 C127.3,80.9 125.5,87.3 125.5,87.3 C122.9,97.6 130.6,101.9 134.4,103.2"
fill="currentColor" style="transform-origin: 130px 106px;" class="octo-arm"></path>
<path
d="M115.0,115.0 C114.9,115.1 118.7,116.5 119.8,115.4 L133.7,101.6 C136.9,99.2 139.9,98.4 142.2,98.6 C133.8,88.0 127.5,74.4 143.8,58.0 C148.5,53.4 154.0,51.2 159.7,51.0 C160.3,49.4 163.2,43.6 171.4,40.1 C171.4,40.1 176.1,42.5 178.8,56.2 C183.1,58.6 187.2,61.8 190.9,65.4 C194.5,69.0 197.7,73.2 200.1,77.6 C213.8,80.2 216.3,84.9 216.3,84.9 C212.7,93.1 206.9,96.0 205.4,96.6 C205.1,102.4 203.0,107.8 198.3,112.5 C181.9,128.9 168.3,122.5 157.7,114.1 C157.9,116.9 156.7,120.9 152.7,124.9 L141.0,136.5 C139.8,137.7 141.6,141.9 141.8,141.8 Z"
fill="currentColor" class="octo-body"></path>
</svg>
</a>
</aside>
<section>
HTML5, CSS and Chrome icons from <a href="https://simpleicons.org/" target="_blank">Simple Icons</a>. All other icons
from the <a href="https://thenounproject.com/" target="_blank">Noun Project</a>. Screenreader
by Mark Caron, Keyboard by Filip Malinowski, Zoom In by Raashid.A, focus by Chinnaking, label by
vigorn, Embed by Rafaël Massé, color by Christopher T. Howlett, code + expand + Movie + link + Contrast
+ Album by RocketDiction. Some text and images adapted from UK Home Office Accessibility Posters.
Fonts: "<a href="https://github.com/impallari/Raleway/" target="_blank">Raleway</a>"
and "<a href="https://design.ubuntu.com/font/" target="_blank">Ubuntu Mono</a>".
</section>
<section>
This cheatsheet is produced by <a href="https://moritzgiessmann.de">Moritz Gießmann</a>. Find the
original at <a href="https://moritzgiessmann.de/accessibility-cheatsheet/">https://moritzgiessmann.de/accessibility-cheatsheet/</a>
This work is highly inspired by the <a href="http://sydney.edu.au/education-portfolio/ei/teaching@sydney/wp-content/uploads/2017/05/thinking-accessibility-cheatsheet.pdf" target="_blank">cheatsheet</a>
by <a href="https://sydney.edu.au/education-portfolio/ei/teaching@sydney/why-think-about-accessibility/" target="_blank">the
Educational Innovation Team</a> Information Communications and Technology, and Library at the
University of Sydney. This work is licensed under a Creative Commons Attribution-Share Alike 4.0
International License.
</section>
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