Koa11y Alternatives

Free tool for testing how good your website is, and what you can do to improve it. Check accessibility, SEO, social media, compliance and more.

An accessibility visualization toolkit from Khan Academy

A tool to make sure your brand colors are ADA compliant.

Site-wide Accessibility and HTML validation made easy. With a single click, Rocket Validator will check thousands of web pages on your site for Accessibility and HTML conformance, producing a detailed, actionable report on seconds.

paid Free Trial $36.0 / Monthly (25,000 HTML checks/month, 1,000 docs/report, 5 requests/second)

Validates HTML markup of web pages, one at a time.

HTML Validator is a Mozilla extension that adds HTML validation inside Firefox and Mozilla.

Find out HTML errors of multiple webpages using this html validator and improve your SEO ! Use the w3c validator in batch mode on multiple webpages.

A controller for gamers with limited mobility.

Scrutiny for Mac helps you manage and improve any number of websites. Link check, search, full website spell check, XML sitemap generator, SEO audit

Check the accessibility of text against the WCAG.

Total Validator can check your website to help ensure that it is accessible, uses valid HTML and CSS, has no broken links, and is free from spelling mistakes.

Meta Forensics is a website architecture, internal link and SEO analysis tool that helps identify...