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<p>There are many different ways to use the web besides a mouse and a pair of eyes.  Users navigate for example with a keyboard only or with their voice. </p>
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<p>All the functionality, including menus, links and forms should work using a <strong>keyboard only</strong>. This is essential for all assistive technology to work properly. The only way to test this, at the moment, is manually. The best time to test this is during development.</p>
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<h3>How to keyboard test:</h3>
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<p>Tab through your pages, links and forms to do the following tests:</p>
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<ul><li>Confirm that all links can be reached and activated via keyboard, including any in dropdown submenus.</li><li>Confirm that all links get a visible focus indicator (e.g., a border highlight).</li><li>Confirm that all <a href="https://make.wordpress.org/accessibility/handbook/best-practices/markup/the-css-class-screen-reader-text/">visually hidden links</a> (e.g. <a href="https://make.wordpress.org/accessibility/handbook/best-practices/markup/skip-links/">skip links</a>) become visible when in focus.</li><li>Confirm that all form input fields and buttons can be accessed and used via keyboard.</li><li>Confirm that all interactions, buttons, and other controls can be triggered via keyboard — any action you can complete with a mouse must also be performable via keyboard.</li><li>Confirm that focus doesn’t move in unexpected ways around the page.</li><li>Confirm that using shift+tab to move backwards works as well.</li></ul>
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<h3>Resources</h3>
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<ul><li><a href="https://make.wordpress.org/accessibility/handbook/">The Make WordPress Accessibility Handbook </a><ul><li><a href="https://make.wordpress.org/accessibility/handbook/test-for-web-accessibility/">Test for web accessibility</a></li></ul></li><li><a href="https://webaim.org/techniques/keyboard/">Keyboard Accessibility</a> by WebAIM</li><li><a href="http://rianrietveld.com/2016/05/10/keyboard/">Workshop keyboard accessibility</a></li><li><a href="https://make.wordpress.org/themes/handbook/review/accessibility/required/">Theme review accessibility-ready requirements: Keyboard Navigation</a></li></ul>
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