How to Test Your AMP Pages: The Complete Guide

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AMP is all in regards to the consumer expertise and quick loading pages.

This is finished by limiting CSS to 75KB and JavaScript to 150KB, clearing the essential rendering path, and preloading cached content material. (You can study extra about how AMP works right here.)

Even so, AMP isn’t for everybody.

In reality, its restrictive framework and continuously evolving requirements (amongst different quirks and limitations) have made AMP considerably controversial in website positioning circles.

If you do determine to use AMP, testing is essential so as to get your pages listed by Google and benefit from the improved web page expertise this format can present.

What Are the Requirements for Valid AMP?

In order to be thought of legitimate, AMP paperwork should:

  • Start with the doctype <!doctype html>.
  • Contain a top-level <html ⚡> tag (<html amp> is accepted as properly).
  • Contain <head> and <physique> tags.
  • Contain a <hyperlink rel=”canonical”> tag inside their head that factors to the common HTML model of the AMP HTML doc or to itself if no such HTML model exists.
  • Contain a <meta charset=”utf-Eight″> tag as the primary little one of their head tag.
  • Contain a <meta identify=”viewport” content material=”width=device-width”> tag inside their head tag.
  • Contain the AMP boilerplate code (head > fashion[amp-boilerplate] and noscript > fashion[amp-boilerplate]) of their head tag.

If any of those obligatory components are lacking or misconfigured, the AMP HTML will probably be thought of invalid, and will not present up in cellular search outcomes.


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three Steps for Testing AMP

There are three levels to testing AMP:

  • AMP Implementation Testing.
  • AMP Validation.
  • AMP Performance Monitoring.

How to Test That AMP Has Been Implemented Correctly

Only legitimate AMP URLs are eligible to be displayed within the search outcomes. Therefore, it’s endorsed web site check its AMP implementation earlier than releasing it dwell.

Generally, builders will password-protect their check and staging environments. This is taken into account greatest apply to stop Google from indexing these.

That’s why at this stage, the AMP Validator is your quickest choice for testing.

With the assistance of this free software, you’ll be able to immediately paste your supply code and test for any doable errors.

This software will let the validation standing by displaying PASS or FAIL.

AMP validation tool test using SEJ.

Another fast manner of testing AMP is by downloading the AMP Validator browser extension for Chrome.


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This plugin will routinely test every web page for AMP validation.

It will flip to inexperienced if the web page passes AMP validation or flip to purple if the web page fails the check.

AMP Browser extension.

And in case you wished to triple-check, it’s also possible to use Chrome developer instruments.

Simply append “#development=1” to the URL and use the Chrome DevTools console to confirm there are not any points discovered.

Chrome dev tools no issue found for AMP validation.

Note: As defined in Google’s debug information, it is usually doable to check AMP on locally-hosted or firewalled pages utilizing Ngrok by following this information.

How to Ensure the Discoverability and Crawlability of AMP

Outside of getting legitimate AMP code, it is necessary to be sure that these pages might be found by serps.

Google discovers AMP by crawling the canonical URL. Therefore, there is no such thing as a want to have a separate XML sitemap to your AMP URLs, except your web site is canonical AMP.

As proven under, the canonical URL ought to have the next “amphtml” hyperlink tag.

The AMP web page ought to reference the unique with the “canonical” tag.

AMP discovery.

A easy, no-tool-required manner of testing that is to go to the canonical URL in your browser view supply and seek for “amphtml”.


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For instance, for this search engine article on how Google ranks information sources, we might examine the HTML web page supply:

Inspecting the html page source.

Then, by clicking that hyperlink, we are able to examine the HTML web page supply and confirm that we are able to discover a hyperlink tag to the canonical:

Canonical view-source AMP.

You might need to automate this course of by utilizing a crawler that routinely extracts the < hyperlink rel = “amphtml” > from the HTML supply code of all crawled pages.


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For extra data on how AMP indexing works, try the actually useful FAQ Google has put collectively on AMP indexing.

How to Test AMP Validation

Once AMP has been applied, it is necessary to do a standing test infrequently to guarantee your pages stay error-free.

The quickest methodology to confirm that an AMP URL is legitimate is to use Google’s AMP check.

It can be doable to bulk test AMP validation free of charge on 100 URLs utilizing this software.

Or, you’ll be able to even use this free Google Sheet AMP validation software to run day by day, weekly or month-to-month spot checks. You can set it up to preserve observe of hundreds of AMP URLs routinely.

However, if you’re trying to run AMP validation on a vast URL set, it’s most likely greatest to spend money on a paid resolution reminiscent of Screaming Frog, Sitebulb, DeepCrawl, or Botify. When arrange appropriately, every of those will validate AMP at scale.


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For extra data on how to scale AMP validation utilizing these instruments, Screaming Frog has an ideal step-by-step information. Sitebulb has additionally put collectively a very useful guidelines of AMP points to look out for when auditing AMP.

How to Monitor AMP Performance

The greatest place to monitor AMP efficiency is Google Search Console.

Using GSC to monitor AMP is particularly useful for understanding the search efficiency of AMP and any points Googlebot could have had when crawling your pages.

There are two methods to entry the info:

  1. For search outcomes efficiency: Check the efficiency report within the Search Console and apply a filter for the AMP search look.
  2. For error checking: Search Console > Enhancements > AMP.

The AMP standing report is especially helpful because it reveals all AMP pages with points discovered by Google, grouped by subject kind.

Simply click on a particular subject to see the main points, together with a pattern record of pages affected.

Note: Google solely gives a pattern record of 1000 URLs experiencing that subject. However, it typically tries to present data primarily based on comparable URLs. Typically, websites have templates for numerous web page varieties.


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Once you’ve recognized which URLs are having the problems, the subsequent step is to repair them.

How to Fix Common AMP Errors

Here are the most typical AMP errors and the way to repair them.

1. Content Mismatch Error

One of the most typical AMP errors is a content material mismatch.

This error was so frequent that in 2017, two years after AMP launched, Google introduced the AMP content material parity replace. This was Google’s retaliation to the AMP bait and swap, and required that the AMP web page content material be comparable to the (unique) canonical web page content material.

It is ok if the AMP model has extra adverts than the HTML web page. But basically, you need to be sure that the AMP variant makes use of the identical content material.

This contains embedded content material metadata, schema, and a tag pointing to the canonical model.

Other frequent points to test right here embody guaranteeing that:

  • The canonical URL returns a legitimate standing code.
  • The canonical doesn’t have any 3XX, 4XX, or 5XX errors.
  • The canonical referenced within the AMP model isn’t canonicalized.


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The trailing slash is a standard error right here.

For instance, the AMP variant could reference the non-trailing slash because the canonical, whereas in actuality the canonical could use the trailing slash, or redirect to the trailing slash model.

2. Non-Indexable AMP Errors

Another frequent mistake when it comes to AMP implementation is guaranteeing that the AMP variant is indexable.

For instance, you’ll see errors if the AMP variant is blocked at robots.txt, or if it comprises a no-index meta robotic tag.

Make positive to examine the HTML web page supply of the AMP variant to be sure that the web page is accessible to Google.

At the browser stage, this may be carried out utilizing a easy free robots exclusion checker.

Robots exclusion checker for AMP testing.

Or you could possibly even use Google’s URL inspection software to validate that Google can crawl the AMP variant.


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three. AMP Has Validation Errors

The most typical validation errors fall into the next three buckets.

  1. Missing obligatory components.
  2. Including disallowed, depreciated, or duplicated components.
  3. Containing fashion, format, or templating errors.

The greatest manner to diagnose and repair these errors is to equip your growth group with the AMP validator.

This software will flag up any of those errors and can be utilized as a uncooked HTML code validation software to assist your group proactively produce clear, AMP-compliant code.

It’s additionally good to present your group with Google’s AMP validation error information. And in case your website is on WordPress, the AMP plugin troubleshooting information is useful.

four. AMP Analytics Errors

Google has an ideal information on measuring AMP pages in analytics. However, forgetting to be a part of up AMP versus and non AMP periods continues to be a standard mistake in AMP implementation.

This is especially prevalent in information publishers, as the vast majority of their AMP pages are served from Google’s AMP cache.


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This is why lots of publishers report a rise in bounce charge with their AMP versus non-AMP pages.

This is as a result of when a consumer is on the AMP cache, they don’t seem to be in your precise web site — they’re on Google’s servers. And when a consumer clicks one other article hyperlink to learn, the consumer strikes off the AMP cache and again to the writer’s web site.

What lots of publishers don’t notice is that if the AMP periods usually are not joined to non-AMP URLs, this may artificially inflate consumer and session counts.

To treatment this error, you want to arrange the AMP linker when implementing AMP and measuring consumer journeys throughout the AMP Cache.

More Resources for Testing AMP

Google has created a helpful information to AMP validation errors. Check it out when debugging the extra nuanced AMP validation errors.

If you need to benefit from the web page expertise increase AMP can present, it’s properly value totally testing to guarantee there are not any errors standing between you and AMP success.


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Additional AMP Recommended Reading:

Image Credits

All screenshots taken by writer, June 2021

Source hyperlink website positioning

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