Reference · Web Development
Markup Validation Service
W3C's online service for validating HTML and markup against web standards and identifying syntax or structural errors.
Details
Section
Reference
Stack
Web Development
Type
Interactive
Difficulty
BeginnerAdvanced
Technologies
HTML, Web Standards
Tools
W3C Validator
Maintainer
Foundation / Nonprofit
Access
Free
License
Open Source
Official
Yes
Verified
Yes
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