AXE

Axe - Website accessibility checks: https://www.deque.com/axe/devtools/

The Axe browser extension is a powerful tool for automated accessibility testing of websites directly in the browser. Here is some important information about the Axe browser extension:

Easy installation: The Axe browser extension is easy to install and is available for several browsers, including Google Chrome, Mozilla Firefox and Microsoft Edge. Users can download and install the extension directly from the browser’s webshop.
User-friendly interface: The extension provides a user-friendly interface that allows users to check websites for accessibility issues with just one click. After installation, an Axe icon is displayed in the browser toolbar, which can be used to start the check.
Quick check: With the Axe browser extension, users can quickly perform an accessibility check of a website without having to use additional tools or software. They can simply visit the website, click on the Axe icon and view the report of the issues found.
Detailed reports: The extension generates detailed reports on the accessibility issues found on the website, including warnings, errors and tips on how to fix them. These reports also contain links to further resources and accessibility information.
Integration with developer tools: The Axe browser extension is integrated with the browser’s developer tools, providing developers with additional features and capabilities. For example, you can use the DOM inspector to examine the affected elements in more detail or view the reports directly in the developer tools interface.
Available for free: Like most of Axe’s tools, the browser extension is free and publicly available. Anyone can use it to check and improve the accessibility of their websites.

Overall, the Axe browser extension is a valuable tool for developers, designers and testers to ensure that their websites are accessible to all users. With its user-friendly interface and detailed reports, it provides a quick and easy way to identify and fix potential accessibility issues.