Name: markup-validator
Owner: World Wide Web Consortium
Description: null
Created: 2014-11-20 14:59:56.0
Updated: 2017-10-18 07:13:17.0
Pushed: 2017-12-12 04:27:43.0
Homepage: https://validator.w3.org/
Size: 8225
Language: HTML
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The Markup Validator is a free service by W3C that helps check the validity of Web documents. Most Web documents are written using markup languages, such as HTML or XHTML. These languages are defined by technical specifications, which usually include a machine-readable formal grammar (and vocabulary). The act of checking a document against these constraints is called validation, and this is what the Markup Validator does.