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.

Modern web accessibility tools for agencies & webmasters

paid Free Trial $49.0 / Monthly (Standard, 3 Websites, Unlimited Pages, Unlimited Page Views)

Fight user churn with great user onboarding. Interactive product tours and smart tips significantly improve your user retention.

Try for free freemium €29.0 / Monthly

An accessibility visualization toolkit from Khan Academy

Making websites accessible to people with disabilities

paid Free Trial $49.0 / Monthly (For websites under 1,000 unique pages)

Digital Governance

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)

A stream-lined CLI to easily test for web accessibility

A growing list of accessibility tools and resources

Comprehensive free accessibility testing tool for designers

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

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

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.

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