If you have already enabled the AMP in WordPress website, then you need to validate your WordPress site to see the AMP validation errors and warnings. In this post, I will let you know how to validate your WordPress AMP site step by step with screenshot.
Fortunately, there are several solutions for testing your AMP URLs. Pick a couple of key pages and test the AMP versions using one of the methods below. As mentioned in step 1, you can append /amp/ to the end of a standard URL in order to view it.
Option 1: AMP Test
Option 2: AMP Validator
Alternately you can also use the AMP Validator Chrome extension to see the same results.