Best HTML Validation

SortSite is a desktop application that scans entire websites for accessibility, HTML/CSS validity, and link integrity issues. It supports WCAG 2.1 and 2.2 guidelines and provides detailed reports with...

The Functional HTML Validator, provided by W3C, checks HTML code for structural correctness and adherence to W3C standards. While not solely an accessibility tool, valid HTML is a foundational require...

HTML CodeSniffer (HCS) is a browser extension and command-line tool that analyzes HTML code for accessibility violations. It's particularly strong at identifying issues related to ARIA attributes and...

Wave Toolbar is a simplified version of WAVE, offering a more streamlined visual overlay of accessibility information. It's a quick and easy way to get a general sense of a website's accessibility. Wh...

While primarily focused on HTML and CSS validation, the W3C Markup Validation Service indirectly contributes to accessibility by ensuring valid markup. Valid HTML is a prerequisite for many accessibil...