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Free Plugin by Adam Chaboryk v1.2.9

Sa11y, the accessibility quality assurance assistant

Geared towards content authors, Sa11y straightforwardly identifies accessibility issues at the source.

Sa11y, the accessibility quality assurance assistant

The facts

Rating
5★ from 1
Active installs
300+
Price
Free
Last updated
30 Jul 2026
Added
Apr 2022
Requires WP
5.6
Tested up to
WP 7.0.4
Requires PHP
7.2
Downloads
17,045

Our analysis

AI-assisted

Sa11y is a WordPress plugin designed to assist in ensuring accessibility quality for content authors. It visually highlights common accessibility and usability issues directly within the content editor, providing tooltips that explain errors and suggest fixes. The plugin operates in Preview mode and performs automatic checks once the page has loaded.

This tool is particularly useful for content creators who want to enhance the accessibility of their websites. With over 80 checks available, Sa11y allows users to customize which checks are displayed, making it adaptable to different needs. It is free and open source, supporting multiple languages through machine translations.

Best for: Content authors and editors focused on improving website accessibility.

What it does well

  • Visually highlights accessibility issues in the content editor
  • Provides concise tooltips with explanations and fixes
  • Automatically checks content upon page load
  • Highly customizable with options to turn off irrelevant checks
  • Available in multiple languages

Where it falls short

  • Limited information on user experience or additional features

Verdict

Sa11y offers a straightforward solution for identifying accessibility issues in WordPress content. It is a practical tool for those looking to enhance usability and compliance on their sites.

From the developer

Adam Chaboryk's own description of Sa11y, the accessibility quality assurance assistant, lightly tidied.

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!

Read the full description on the official page →

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