/handbook/developing-for-block-editor-and-site-editor/accessibility-best-practices/
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Resources Developing for Block Editor and Site Editor Coding best practices Accessibility best practices
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Ensure Proper Heading Structure for Screen Readers
Use Appropriate ARIA Roles, States, and Properties
Implement Keyboard Navigation Support for All Interactive Elements
Ensure Sufficient Color Contrast Ratios (WCAG 2.1 Guidelines)
Provide Text Alternatives for Non-Text Content
Use Descriptive Link Text Instead of Click Here
Implement Skip Navigation Links
Ensure Form Inputs Have Associated Labels
Use Tabindex Appropriately to Manage Focus Order
Implement Proper Error Messaging for Form Validation
Useful links
Last updated on May 26, 2026
Accessibility Best Practices
Accessibility best practices ensure that websites are usable by everyone, including people with disabilities. Key practices include using semantic HTML for proper structure, providing alt text for images, ensuring sufficient color contrast, and making sites keyboard navigable. Use ARIA (Accessible Rich Internet Applications) attributes for enhanced screen reader support, and ensure that forms have labels and error handling. It’s also essential to provide text alternatives for multimedia and follow WCAG (Web Content Accessibility Guidelines) to meet accessibility standards, improving usability for all users.
Ensuring accessibility in web development is crucial for creating an inclusive experience for all users. Here are key practices to follow:
Ensure Proper Heading Structure for Screen Readers
Maintain a logical hierarchy of headings (h1, h2, h3, etc.) to help screen reader users navigate content effectively.
Example:
<h1>Main Title</h1>
<h2>Section Title</h2>
<h3>Subsection Title</h3>
Use Appropriate ARIA Roles, States, and Properties
Implement Accessible Rich Internet Applications (ARIA) roles and properties to enhance the semantics of your elements, particularly when using custom controls.
Example:
<button aria-expanded="false" aria-controls="menu">Toggle Menu</button>
Implement Keyboard Navigation Support for All Interactive Elements
Ensure that all interactive components (buttons, links, forms) can be accessed and operated using a keyboard.
Example:
<a href="main" tabindex="0">Skip to main content</a>
Ensure Sufficient Color Contrast Ratios (WCAG 2.1 Guidelines)
Check that text color contrasts sufficiently with background colors to improve readability. Aim for a contrast ratio of at least 4.5:1 for normal text.
Use tools like the WebAIM Color Contrast Checker.
Provide Text Alternatives for Non-Text Content
Use alt attributes for images and ARIA labels for icons to ensure that non-text content is understandable.
Example:
<img src="logo.png" alt="Company Logo" />
Use Descriptive Link Text Instead of Click Here
Links should clearly indicate their purpose. Avoid generic phrases that don’t convey information about the link’s destination.
Example:
<a href="https://ancillary-proxy.atarimworker.io?url=https%3A%2F%2Fexample.com%26%2334;>Read our privacy policy</a>
Implement Skip Navigation Links
Provide links that allow users to skip repetitive navigation elements and go directly to the main content.
Example:
<a href="main" class="skip-nav">Skip to content</a>
Ensure Form Inputs Have Associated Labels
Use <label> elements to associate with form inputs, improving accessibility for screen reader users.
Example:
<label for="username">Username:</label>
<input type="text" id="username" />
Use Tabindex Appropriately to Manage Focus Order
Control the order of focusable elements to ensure a logical flow for keyboard users. Avoid using tabindex values higher than 0 unless necessary.
Example:
<button tabindex="0">Accessible Button</button>
Implement Proper Error Messaging for Form Validation
Provide clear, descriptive error messages when form validation fails to guide users in correcting their inputs.
Example:
<span id="username-error" class="error">Username must be at least 6 characters long.</span>
By implementing these accessibility best practices, developers can create a more inclusive web experience that accommodates users with diverse abilities and needs.
Useful links
- Designing for Web Accessibility
- Web Accessibility Best Practices – How to Ensure Everyone Can Use Your Website
Coding best practices
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