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This is the W3C Feed Validation Service, a free service that checks the syntax of Atom or RSS feeds. The Markup Validation Service is also available if you wish ...
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This validator checks the markup validity of Web documents in HTML, XHTML, SMIL, MathML, etc. If you wish to validate specific content such as RSS/Atom feeds or ...
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W3C Feed Validation Service. Check the syntax of Atom or RSS feeds. See the ... Maintained by the W3C qa-dev group. This service uses the Feed validator software.
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Mar 1, 2024 · I'm trying to validate any of our websites on W3c Validator and getting this errors called: IO Error: www.example.com: Name or service not ...
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