Sa11y, the accessibility quality assurance assistant | Accessibility Checker
by Adam Chaboryk
Sa11y is an accessibility quality assurance tool that visually highlights common accessibility and usability issues. Geared towards content authors, Sa11y straightforwardly identifies errors or warnings at the source with a simple tooltip on how to fix them.
Sa11y works in Preview mode.
Features
- Over 80 checks.
- Concise tooltips explain issues right at the source.
- Automatically checks content once the page has loaded.
- Highly customizable. Turn off or hide irrelevant checks.
- Content editors can temporarily dismiss warnings.
- 100% free and open source.
- Available in English, French, Spanish, Polish, Ukrainian, German, Swedish, and many more languages through machine translations.
- Supports Multisite: create global settings and custom defaults for all websites on your network.
Visit the project website for a demo or to learn more!
Screenshots
Logged-in view with Sa11y showing heading hierarchy and non-descriptive link text errors.
The Images tab makes it easy to review all images and their corresponding alt text within a page for accuracy and quality. Warnings can also be temporarily dismissed.
The Settings tab has additional toggleable checks, including a dark mode option.
The Advanced Settings page where admins can customize different settings.