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VSCode extension that let you check if an HTML or CSS file respect the W3C standards.

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VSCode W3C Web Validator

Check the markup validity of your web documents !

Visual Studio Marketplace Version Visual Studio Marketplace Rating (Stars) GitHub Workflow Status Visual Studio Marketplace Installs

Validity is one of the quality criteria for a Web page



1/ Start the validation of your file !

Press the extension button and the validation will start right away.


2/ Check if any issue is detected !

If errors are detected you'll be able to see them directly in your file.


3/ Correct your issues !

All errors and warnings have a diagnostic that will help you to correct them.




Report a bug
Author : Riboulet Célian