W3C Markup Validation Service

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Description

The W3C Markup Validation Service is an online tool from the World Wide Web Consortium (W3C) that checks web documents written in HTML, XHTML, and related technologies for conformance to W3C standards. The service includes both a validator and an optional HTML Tidy service that attempts to fix errors detected by the validator. It is a free, open-source service that helps web developers create more accessible, valid and standards-compliant web pages. It is a powerful tool for finding and fixing errors in HTML and XHTML documents. It also provides a detailed report of any errors and warnings that it finds, along with suggestions for possible fixes. This makes it a great way to ensure that web pages are up to standards and free from any technical issues.

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Development software and applications

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