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Rocket Validator vs W3C Markup Validation Service

A side-by-side look at Rocket Validator and W3C Markup Validation Service. For an in-depth review of either product, follow the links below.

Rocket Validator

Rocket Validator

Development

Rocket Validator is an open source browser extension for validating web page HTML, links, accessibility, SEO and more. It integrates seamlessly into the browser for easy website testing and works across all major browsers.

htmlvalidatorwebaccessibilityseo
W3C Markup Validation Service

W3C Markup Validation Service

Web Browsers

The W3C Markup Validation Service is a free tool that checks HTML and XHTML documents for conformance to W3C standards. It can help identify potential issues in web pages and ensure they use valid markup.

htmlxhtmlvalidatorw3cstandards