The PHP Coding Standards Fixer : The PHP Coding Standards Fixer tool fixes most issues in your code when you want to follow the PHP coding standards as defined in the PSR-1 and PSR-2 ...
W3C mobileOK Checker : This checker performs various tests on a Web Page to determine its level of mobile-friendliness.
Lighthouse : Lighthouse is an open-source, automated tool for improving the quality of web pages. You can run it against any web page, public or requiring authenti...
tota11y : an accessibility visualization toolkit that aims to reduce the friction of a11y testing
Web Tools for Quality, Accessibility, Standards Compliance.