WEBThis 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 CSS stylesheets, MobileOK content , or to find broken links, there are …
WEBSupported document types include the HTML (through HTML 4.01) and XHTML (1.0 and 1.1) family, MathML, SMIL and SVG (1.0 and 1.1, including the mobile profiles). The Markup Validator can also validate Web documents written with an SGML or XML DTD, provided they use a proper document type declaration.
WEBThe Markup Validator is a free tool and service that validates markup: in other words, it checks the syntax of Web documents, written in formats such as (X)HTML. The Validator is sort of like lint for C. It compares your HTML document to the defined syntax of HTML and reports any discrepancies.
WEBHTML Validator. Validates HTML files for compliance against the W3C standards and performs linting to assess code quality against best practices. Find missing or unbalanced HTML tags in your documents, stray characters, duplicate IDs, missing or invalid attributes and other recommendations.
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Documentation Index for The W3C Markup Validation Service
WEBInformation on source code availability and download instructions for the Markup Validator. Installation Guide. Step-by step guide for the installation of the Markup Validator on your server. Markup Validator Web Service API. Use the validator from your applications with the experimental Markup Validator Web service, and its open API.
WEBThe home page is <http://validator.w3.org/> at the moment (and for the foreseeable future) and the CGI program can be reached at <http://validator.w3.org/check>. If you call the CGI program with extra path info matching "/referer" (i.e. < http://validator.w3.org/check/referer >) it will fetch the referring document and validate …
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Validating your HTML - W3C Wiki - World Wide Web Consortium (W3C)
WEBMar 14, 2014 · The W3C MarkUp Validator: This looks at the (X)HTML doctype you are using for the document you give it to check, and then checks your markup accordingly. This is the one we recommend if you are using an HTML4 or XHTML1.x doctype. It does validate HTML5, but validator.nu is arguably more up to date.
WEBW3C Markup Validation Service. Tag certifying that a website has been checked for well-formed XHTML (above) and CSS (below) markup. The Markup Validation Service is a validator by the World Wide Web Consortium (W3C) that allows Internet users to check pre-HTML5 HTML and XHTML documents for well-formed markup against a document …
WEBWith your help, we can make the tools and validators better, faster, friendlier, and maintain a great, free service for all of the Web. This page lists the validators and web developer tools.
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MarkupValidator - W3C Wiki - World Wide Web Consortium (W3C)
WEBSep 7, 2023 · The W3C Markup Validator is an open source software and free W3C service helping Web Document authors fix errors in the markup of their HTML, XHTML, MathML etc. resources.