Google launched a new AMP testing tool yesterday within the Google Search Console. You can access it at https://search.google.com/search-console/amp.
You basically plug in the AMP URL into the tool and let it run. I messed up and first plugged in my non AMP URL thinking it would auto detect the AMP canonical and use that, but it did not. So don’t do what I did.
I was a bit nervous when I saw this:
Then I ran it again using the AMP URL and it was fine:
The cool part of this tool is that it gives you almost everything AMP related on one page.
You can get pass or fail
You get your failure errors both in summary and in the source code
You get an AMP preview look in the search results
You get access to your structured data items related to AMP
You get the documentation and more.
Of, and of course, it is all mobile friendly.
Here is the preview:
Forum discussion at WebmasterWorld and Google+.