Instant Accessibility Checker

It runs 70 automated WCAG 2.1 checks covering images, links, buttons, forms, headings, contrast, page language, tables, and ARIA usage. Every failure is mapped to its success criterion and conformance level, tagged with a severity from minor to critical, and paired with corrected code generated from your own markup.

Yes, that's what the Paste HTML mode is for. Drop in markup from a staging environment, a local build, or an email template and the same 70 checks run against it. Nothing needs to be deployed or publicly reachable.

No. Automated checks catch a large share of machine-detectable problems, but keyboard behavior, screen reader flow, and the quality of your alt text still need human review. The tool says exactly this when everything passes: manual testing is still required for full WCAG conformance.

Seconds instead of minutes. The checker analyzes one document, so there's no sitemap parsing or link crawling involved. When you need results across dozens of pages, the WCAG Accessibility Scanner handles the crawl and adds exportable reports.

A check goes neutral when the page contains nothing for it to inspect. A page with no tables can't fail the table checks, and a page with no video can't fail media checks. Neutral results are listed separately so passes aren't inflated.

Each failure is rated critical, serious, moderate, or minor, and the chip next to it shows how many times it occurred. Severity is a triage signal: clear the critical and serious items first, since those block real users hardest.

Yes. This tool runs the identical 70-check engine on a single document. The scanner wraps that engine in a whole-site crawl with PDF, XLSX, and CSV exports, which is the better fit for audits and stakeholder reports.

Not through the URL mode, since the fetch happens without your login session. The workaround is simple: open the protected page in your browser, copy its HTML source, and use Paste HTML instead.