Troubleshooting Common Google Search Console AMP Errors

Fixing Google Search Console AMP errors requires identifying specific validation issues within the AMP status report and applying technical fixes to the page code. Webmasters must use tools like the AMP Test Tool to ensure compliance with mandatory tags and restricted CSS or JavaScript rules. Correcting these errors ensures your mobile pages remain eligible for Google Search features and maintain high visibility for users searching on mobile devices.

What are the most frequent AMP validation errors?

The AMP status report in Google Search Console categorizes issues into errors and warnings. Errors prevent your page from appearing in Google Search results with AMP-specific features, while warnings might affect how the page is displayed or its eligibility for certain rich results. Most errors stem from a violation of the strict AMP HTML specification, which limits certain types of code to ensure fast loading speeds.

A common issue is the use of disallowed attributes or tags. For example, standard HTML tags like ‘img’ or ‘video’ must be replaced with their AMP equivalents like ‘amp-img’ or ‘amp-video’. If the system detects a standard ‘script’ tag that is not part of the required AMP library, it will flag the page as invalid. Another frequent error involves CSS size limits. AMP restricts inline CSS to 75KB; exceeding this limit causes a validation failure that removes the page from the mobile search carousel.

• Missing mandatory tags like ‘head’ or ‘body’.
• Disallowed JavaScript outside of ‘amp-script’ or standard libraries.
• CSS syntax errors or exceeding the 75KB limit.
• Invalid structured data within the ‘ld+json’ block.
• Missing width or height attributes for layout-dependent components.

How to validate your AMP content effectively?

Validation is a multi-step process that starts during the development phase and continues through monitoring in Search Console. Developers should use the browser-based AMP Validator to catch code errors before a page is published. This tool provides real-time feedback on syntax issues and missing components. Once a page is live, the official AMP Test Tool from Google provides a definitive check on whether the page is eligible for search results.

Use the AMP status report to monitor the performance of all AMP pages on your site.

Google Search Central

When you identify an error in the status report, clicking on the specific issue will reveal a list of affected URLs. You should inspect these URLs using the ‘Inspect URL’ tool to see the version Google has indexed. If you have recently updated your code, use the ‘Validate Fix’ button to signal Google to recrawl the pages. This process is not instant and can take several days to complete as Googlebot processes the changes across the site.

How Alien Road applies AMP optimization

At Alien Road, we approach AMP management through a centralized technical audit. For a typical client project, such as a large e-commerce store with thousands of product pages, we do not fix errors one by one. Instead, we identify the template-level code responsible for the validation failure. If an ‘amp-img’ tag is missing a height attribute on a product layout, we update the global template to solve the problem across the entire domain.

Our process involves a discovery phase where we map all canonical and AMP relationships. We then use the Search Console API to extract bulk error data, allowing us to prioritize fixes that impact the most visited pages. After implementation, we perform a manual check using the Rich Results Test to ensure that structured data, such as Product or Article schema, remains intact. This structured approach ensures that technical debt is minimized while maximizing search visibility.

Can robots.txt settings block your AMP pages?

A frequent reason why valid AMP pages do not appear in search results is crawl prevention. If your robots.txt file blocks Googlebot from accessing the directory where your AMP files are stored, Google cannot index the content. This often happens during site migrations or when new subdomains are created for mobile content. You must ensure that both the canonical page and the AMP version are accessible to search crawlers.

Edit your site’s robots.txt to allow Googlebot to crawl the canonical page, AMP page, and links in the structured data.

Google Search Central

In addition to robots.txt, check for meta tags that might instruct crawlers to ignore the page. The ‘noindex’ directive in a robots meta tag or an X-Robots-Tag HTTP header will prevent the AMP version from being served to users. For the best results, remove all restrictive meta tags from both the canonical and AMP content unless there is a specific reason to keep a page out of the index. Consistent indexing instructions across both versions are key to a stable mobile presence.

Why is cross-domain tracking vital for AMP success?

Tracking user behavior on AMP pages can be difficult because the content is often served from the Google AMP Cache rather than your own domain. This creates a cross-domain issue in Google Analytics 4 (GA4). If a user starts their journey on an AMP page and then clicks through to your main website, GA4 might see this as two separate sessions. This leads to inaccurate data, such as inflated bounce rates and incorrect conversion attribution.

To solve this, you must implement the ‘amp-analytics’ component with a linker parameter. This parameter passes a client ID from the AMP cache to your primary domain through the URL query string. When the user arrives at your main site, the analytics script reads this ID and continues the existing session. This coordination is essential for marketers who need to understand the full customer journey from the first mobile touchpoint to the final purchase.

• Include the amp-analytics script in the head of your AMP page.
• Configure the ‘linker’ setting in your JSON configuration block.
• Enable the ‘Linker’ option in your GA4 data stream settings.
• Verify that client IDs are consistent by checking the ‘_gl’ parameter in the URL.
• Use DebugView in GA4 to confirm that sessions are not breaking during the transition.

Where to start this week

Begin by logging into Google Search Console and navigating to the ‘AMP’ section under ‘Experience’. Export the list of URLs with errors and group them by the type of validation failure. Address template-wide issues first, such as missing canonical links or incorrect script configurations. Once the code is updated, use the ‘Validate Fix’ feature to begin the recrawling process. Finally, check your GA4 data to ensure that cross-domain tracking is correctly attributing your mobile traffic.