golchha21/htmlforge
A standards-first HTML compiler for PHP that generates W3C-compliant, accessibility-validated HTML by construction.
时间：2026-01-30 17:18
syradev/html5_patch
This extension patches TYPO3 to eliminate non-HTML5-standard self-closing tags.
时间：2025-02-16 11:16
glicer/w3c-validator
Validates html and css using w3c markup and css validation free services
时间：2015-02-20 21:13
eldadfux/w3c-validator
PHP class for validating web documents with W3C validation API
时间：2014-03-17 20:02