AMP: Building Accelerated Mobile Pages

Developer tools console

The browser developer console is probably the easiest way to start validating your pages. Since the validator is included in the AMP-JS library, you can validate every page out of the box. To validate an AMP page, open the page in your browser, and add #development=1 to the URL. Your URL will look something like this:

https://theampbook.com/ch2/news.amp.html#development=1

Or, if you're working locally, then your URL will look something like this:

http://localhost/news.amp.html#development=1

Now, with the developer console open, reload the page. You should see some validator output in the console that looks like this:

AMP validation errors in browser developer console

Ouch! Look at all those red error messages. Each ...