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Validation Results - W3C Markup Validator Markup Validation Service

Check the markup (HTML, XHTML, …) of Web documents

Jump To:Sorry! This document cannot be checked.Error

I got the following unexpected response when trying to retrieve < https://validator.w3.org/check?uri=referer >:

403 Forbidden

You can choose to validate the received error document for example if the URL intentionally points to one (there is also a "Validate error pages" option in the options view for this purpose).

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This service runs the W3C Markup Validator, v 1.3+hg .

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