Accessibility Checker
Scan a webpage for common accessibility (a11y) issues that could affect users with disabilities.
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How it works
This scanner checks a page's HTML for common WCAG issues: images without alt text, form fields without labels, poor heading order, and low color contrast — the same categories automated audits like Lighthouse and axe check for.
Accessibility isn't just a compliance checkbox. Search engines use similar signals (alt text, semantic headings) to understand your content, so fixing accessibility issues often improves SEO at the same time.
Frequently asked questions
Does a passing scan mean my site is fully WCAG compliant?
No — automated tools like this one can only catch about a third of WCAG success criteria (missing alt text, contrast, labels, heading order). Things like whether alt text is actually meaningful, or whether keyboard navigation makes logical sense, still need a human check.
What's the single highest-impact fix if I only have time for one?
Missing alt text on images — it's usually the most common issue found, directly affects screen reader users, and doubles as an SEO signal since Google uses alt text to understand images.
Is this the same as running Lighthouse or axe DevTools?
It checks similar categories (alt text, labels, heading order, contrast) using comparable rule sets, but it's a lighter, single-page web check rather than a full browser extension audit — good for a quick pass, not a replacement for a dedicated accessibility audit tool.
Why does heading order matter if the headings look fine visually?
Screen reader users navigate by jumping between headings, and a page that skips from an H1 straight to an H4 (skipping H2/H3 for visual styling reasons) breaks that navigation even though it looks correct on screen.
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