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SITEIMPROVE BROWSER EXTENSIONS

Full functionality at your fingertips

Accessibility made easier, right in your browser

Screenshot of the Siteimprove Accessibility Checker highlighting the phrase 'Built to help teams optimize reach, reputation, revenue, and returns' on a webpage. The panel on the right shows an 'Empty headings' issue with related WCAG criteria and explanations.

This free extension lets you check any multi-step form, dynamic content, or non-public page for accessibility issues. All analysis is done entirely within your browser, which means you can securely check password-protected pages, too.

The extension instantly highlights issues on the page and provides clear explanations of how they impact your visitors.

Now with expanded support for visual design best practices, you can check everything from headings and alt text to color contrast, focus indicators, and form structure, to get clear and actionable guidance during design.

Jumpstart accessibility efforts right in your browser:

  • On-the-go compliance checks
  • Visual feedback on focus states, form fields, and button/label clarity
  • Tools for red-green, blue-green, and total color blindness
  • Straightforward tips and recommendations to fix issues
  • Compatible with password-protected pages
Screenshot of the Siteimprove Accessibility Checker highlighting the phrase 'Built to help teams optimize reach, reputation, revenue, and returns' on a webpage. The panel on the right shows an 'Empty headings' issue with related WCAG criteria and explanations.