specification.website documents platform-independent requirements for HTML, accessibility, security, SEO, and agent readiness.
Accessibility Insights
Find and fix accessibility issues in websites with Accessibility Insights, including its browser extension.
About Accessibility Insights
Accessibility Insights is a set of tools for finding and fixing accessibility issues in websites and Windows applications. The web version is a browser extension for Chrome and the new Microsoft Edge. A separate Windows desktop tool tests Windows applications.
The web tools include FastPass, which checks for common, high-impact issues, and Visual Helper, which shows errors with visualizations and simple fix guidance. The web assessment covers WCAG 2.1 AA. The Windows tool combines Inspect and Color Contrast Analyzer in one place. The source does not state pricing. It says telemetry is opt-in and that users can learn how telemetry data is used, but it does not describe what data is collected.
Key features
- Browser extension for Chrome and the new Microsoft Edge to test webpages and web applications
- FastPass to catch most common accessibility issues in under five minutes
- Visual Helper that shows accessibility errors with visualizations and fix guidance
- Assessment of websites for WCAG 2.1 AA coverage
- Windows desktop tool to test accessibility of Windows applications
- Live Inspect to verify UI Automation properties and Color Contrast Analyzer to check contrast ratios
Best for: Developers and product teams who want to find common accessibility issues in websites or Windows applications before release.
Good for
- Visual Helper pairs error visualizations with simple guidance on how to fix each issue.
- FastPass is designed to run common checks in under five minutes.
- The Windows tool combines Inspect and Color Contrast Analyzer in a single tool.
Watch out for
- The web extension is listed for Chrome and the new Microsoft Edge only.
- The Windows tool is described as a tool for Windows applications, not websites.
Accessibility Insights at a glance
- Website
- accessibilityinsights.io
- Category
- Development › Web Development
- Type
- Online tool
- Pricing
- Not confirmed. Check the site
- Platforms
- Browser extension, Web, Windows
- Open source
- Not stated
- Language
- English
- Good for
- Developers
- Last checked
- Oct 6, 2026 · Online when checked
- Listed
- Oct 5, 2026
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Accessibility Insights FAQ
Is telemetry required to use Accessibility Insights?
No. The source says telemetry is opt-in, so users choose whether to share telemetry data.
How quickly can FastPass run?
The source says FastPass runs common accessibility checks in less than five minutes.
Which accessibility standard does the website assessment cover?
The source says the website assessment covers WCAG 2.1 AA.
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