HTML Markup Validation

HTML Markup Validation

Offline (inline)

HTML Tidy Browser Extension - Chrome Web Store Works localy.

Also based on HTML Tidy


Simplest: Unclosed Tag Finder

Div Checker | Is is also very simple and nice.

Web developer has it. Best: Validity - Chrome Web Store Shit: HTML Validator - Chrome Web Store

Check HTML markup

Validated | allan23/validated will put one simple button in a row of a page/post to check for W3C validation - simple and not epoch-changing.

Also, in Debug Objects plugin, now defunct, there was nice HTML Inspector option based on JS code from this project: philipwalton/html-inspector

The W3C Markup Validation Service

date 21. Dec 2016 | modified 25. Jan 2023
filename: CSS » HTML Markup Validation