Description from extension meta
W3C Markup Validator for current page
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Description from store
Allows you to validate the HTML that the current page is made of using the service provided by the W3C.
Operation:
- Activate the extension on the desired browser page
- The extension extracts the HTML of the current page and copies it into "Validate by direct input" of the Markup Validation Service (https://validator.w3.org/#validate_by_input).
- By pressing the "Check" button, the W3C service checks that markup validity of Web documents in HTML
In this way, it is possible to verify the compliance of the HTML with the W3C standards.
Latest reviews
- (2025-03-20) Vittoria Motzo: Thanks, now I can directly check the HTML without having to go through DevTools first, extract it and copy it to the W3C site
- (2025-03-20) Rocco Caruso: Very useful to check if the written HTML is well formed and respects the W3C standards