Glossary

Web accessibility

Web accessibility is the practice of building sites that everyone can use, including people with visual, motor, or cognitive disabilities.

3 min read · Published August 8, 2026
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Web accessibility at a glance

Web accessibility means designing and building a site so people with disabilities can perceive, navigate, and interact with it. That includes screen-reader support, keyboard navigation, sufficient colour contrast, and clear structure. The widely used standard is WCAG, the Web Content Accessibility Guidelines.

Why accessibility matters for your website

Accessibility widens your audience, since a large share of people have a disability, and it is increasingly a legal requirement in many regions. It also overlaps with good SEO and UX: clear structure, alt text, and readable content help every visitor and every crawler, not only assistive technology.

FAQ

What is WCAG?

WCAG stands for Web Content Accessibility Guidelines, the international standard that defines how to make web content accessible, organised into levels A, AA, and AAA.

Does accessibility help SEO?

Yes. Many accessibility practices, like alt text, clear headings, and semantic structure, also help search engines and AI understand your content.

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