In addition to AMP validity, you may also want to confirm that your AMP document is discoverable to third-party platforms.The AMP Validator comes bundled with the AMP JS library, so it is available on every AMP page out of the box.
The interface is an interactive editor: changes to the html source result in interactive revalidation.
The AMP Validator can be accessed directly from your browser's toolbar using a browser extension.
As you browse, it will automatically validate each AMP page visited and gives a visual indication of the validity of the page as a colored icon.
As an alternative you can also try our non-DTD-based validator.
This way, third parties such as Twitter, Instagram or Google Search can feel great about serving AMP pages to readers in increasingly interesting ways.
There are several ways available to validate an AMP document.They will all produce the exact same result, so use whichever one suits your development style the most.Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. argue, attest, authenticate, bear out, certify, corroborate, substantiate, support, confirm, verify, vindicate disprove, rebut, refute avouch, back (up), testify (to), vouch (for), witness; guarantee, warrant; affirm, assert, aver, avow, declare, profess; demonstrate, document, establish, prove, reinforce ( confirm, corroborate, substantiate, verify, authenticate, validate mean to attest to the truth or validity of something.This validator checks the markup validity of Web documents in HTML, XHTML, SMIL, Math ML, etc.If you wish to validate specific content such as RSS/Atom feeds or CSS stylesheets, Mobile OK content, or to find broken links, there are other validators and tools available.