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Whats is W3 validation ?

W3C stands for Wide Web Consortium, a company that develops standards for code on the web. Validation works to check the HTML code for proper markup; thus making sure that all pages of a website are built in accordance with Web standards.

The Markup Validation Service is a validator by the World Wide Web Consortium (W3C) that allows Internet users to check HTML and XHTML documents for well-formed markup. Markup validation is an important step towards ensuring the technical quality of web pages.

W3 validator is a tool to checks the mark up validity of HTML, XHTML and CSS. Site address is validator.w3.org.

W3 validator is mostly used to find HTML and CSS error on a website.

The Markup Validation Service is a validator by the World Wide Web Consortium (W3C) that allows Internet users to check HTML and XHTML documents for well-formed markup. Markup validation is an important step towards ensuring the technical quality of web pages.

The markup validation service is a validator by the World Wide Web Consortium that allows internet users to check HTML document for well-formed markup. W3 validation is the main type of validation, and it is very important in validation.

W3C Validation tools, validates Html or XHTML markup code with internation web standards. It helps you to determine possible errors in markup code that may cause confusion for search engine and results into slow or no search engine crawling.