Official statement
Other statements from this video 45 ▾
- 1:01 Does every change to content or design really affect SEO rankings?
- 1:01 What impact can changing your site's design or content have on your rankings?
- 2:37 Do domain extensions (.com, .fr, .uk) really influence the weight of backlinks?
- 2:37 Do domain extensions (.com, .fr, .uk) really influence the value of backlinks?
- 4:06 Does redirecting your old pages to an archive really help preserve SEO?
- 4:13 Can redirecting to an archive section really help preserve the SEO of old pages?
- 5:16 Does blocking a folder via robots.txt kill the PageRank transfer to your strategic pages?
- 5:50 Should you block pages receiving backlinks with robots.txt?
- 6:27 Do links from old press releases really hold any SEO value?
- 6:54 Do links from old press releases really drag down your backlink profile?
- 7:59 How does Google truly detect duplicate content and why doesn't it seek the original?
- 8:29 Does boilerplate content really harm SEO?
- 9:29 Does Google really not care who published the original content?
- 10:03 Does content originality really ensure top rankings on Google?
- 13:42 Do domain migration problems amplify the impact of Core Updates?
- 13:46 Are site migrations really as risky as they seem?
- 20:28 How long does it really take for a domain migration to stabilize in Google?
- 22:06 Are domain migrations really risk-free according to Google?
- 26:14 Should you really delay your SEO changes during a Core Update?
- 27:27 Should you really update all backlinks after a domain migration?
- 29:00 Should you really check a domain's history before purchasing it for an SEO migration?
- 31:01 Why does Google maintain SafeSearch filtering even after migrating to clean content?
- 32:03 Do you really need the address change tool to migrate between subdomains?
- 32:03 Should you really use the address change tool when migrating between subdomains?
- 33:10 Are Web Stories really indexable like regular pages?
- 33:10 Can Web Stories really rank like traditional pages?
- 36:04 Do AMP errors really harm Google rankings, or is it just a myth?
- 37:49 How does cleaning up your URL structure really enhance the ranking of your strategic pages?
- 38:00 How can cleaning up your URL structure solve your ranking problems?
- 39:36 Is it true that hidden text for accessibility is penalized by Google?
- 39:36 Does hidden text for accessibility really harm your site's SEO?
- 41:10 Why do your impressions skyrocket on certain days in Search Console?
- 42:45 How can you implement paywall schema when conducting A/B tests with multiple variations?
- 44:03 Should you really show the complete content to Googlebot if the paywall blocks users?
- 48:00 Does Google really rewrite your titles to boost clicks without affecting rankings?
- 48:07 Does Google rewrite your titles to manipulate your click-through rates?
- 49:49 Should you really stuff your titles with every keyword variation?
- 50:50 Is it true that Google rewrites your title tags, and how can you ensure your original version gets displayed?
- 51:56 Does a modified HTML title lose its ranking power in the SERPs?
- 65:39 Should you really stop optimizing for synonymous keywords?
- 65:39 Should you stop optimizing for synonyms and geographical variations?
- 67:16 Why does Google consistently block rich results for adult sites?
- 67:16 Can adult sites actually display rich results on Google?
- 68:48 Does SafeSearch really filter the entire domain if only a part contains adult content?
- 69:08 Can an adult domain host non-adult sections without penalizing the entire site?
Google confirms that AMP errors prevent caching and displaying as alternate, without direct impact on ranking. In practical terms, your buggy AMP pages remain indexable but lose their main advantage: speed of delivery from cache. For SEO, this means fixing these errors does not improve ranking, but rather optimizes user experience and conversion rates on mobile.
What you need to understand
Why does Google refuse to cache AMP pages with errors?
The Google AMP cache works like a proprietary CDN: it stores a validated version of your page to serve it almost instantly. However, this system only accepts strictly compliant AMP code.
As soon as an error is detected — disallowed tag, unauthorized JavaScript, missing attribute — the page is rejected. It remains accessible via its original URL but does not benefit from preloading, the lightning bolt icon, or the ultra-fast service that makes AMP valuable.
What does “not treated as AMP alternates” mean?
When you implement AMP, you typically create a parallel version of your standard page. The <link rel="amphtml"> tag in the standard page and <link rel="canonical"> in the AMP establishes this relationship.
If Google detects AMP errors, it ignores this relationship. On mobile, it is your standard page that displays in the results — not the AMP version. You lose the performance benefit without gaining anything in ranking.
Is the lack of impact on ranking permanent?
Mueller is clear: AMP errors do not result in any algorithmic penalty. Google does not demote a page because its AMP implementation is faulty.
However, behavioral signals may play an indirect role. A slower standard page may sometimes generate higher bounce rates than a correctly served AMP. But this is a side effect, not a penalty.
- AMP errors = exclusion from cache, not algorithmic demotion
- The page remains indexable and rankable via its original URL
- Loss of the lightning badge and preloading in mobile results
- Possible indirect impact through bounce rates and actual loading times
- The canonical/amphtml relationship is ignored if the AMP version contains errors
SEO Expert opinion
Is this statement consistent with field observations?
Yes, and it's one of the rare cases where Google is perfectly transparent. Tests show that a buggy AMP page continues to be indexed via its standard URL, without fluctuation in position. The AMP cache, however, is ruthless: either the page is 100% valid, or it is rejected.
What we observe: sites with partially broken AMP maintain their rankings but lose 20 to 40% of clicks on the affected pages. Why? Because the user unconsciously prefers results with the lightning badge, which seem more reassuring on mobile 3G/4G. [To be verified]: Google does not publish any official data on the differential CTR between AMP and non-AMP from 2023 to 2025, a period during which AMP adoption sharply declined.
In what cases does this rule pose a problem?
The trap closes when you invest heavily in AMP without continuous monitoring. A WordPress update, a third-party plugin, a badly configured GTM tag — suddenly 30% of your AMP pages become invalid.
You do not lose positions, but you lose qualified traffic. The mobile user sees your result without a badge, hesitates, and clicks on the competitor who has one. Google does not punish you; it’s user behavior that makes the call. And that, no rank tracking tool captures directly.
Is it still worth betting on AMP today?
Let’s be honest: AMP has lost its relevance. Since Core Web Vitals became a ranking signal and modern frameworks (Next.js, Astro, Hugo) deliver ultra-fast HTML, the value of AMP has collapsed.
If you already have a functioning AMP ecosystem, maintain it. But starting an AMP implementation in 2025 for a classic e-commerce or editorial site? That’s a questionable choice. It’s better to invest in the actual optimization of your standard pages: lazy loading, code splitting, CDN, Brotli compression.
Practical impact and recommendations
How can I detect AMP errors on my site?
Start with the Search Console, ‘Enhancements’ section → ‘AMP’. Google lists all detected AMP pages and categorizes errors by type: disallowed tags, missing attributes, unsecured HTTP resources, etc.
For a more detailed diagnosis, use the official AMP validator: add #development=1 to your AMP page URL and open the Chrome console. Each error is detailed with its line of code. Google’s AMP test (formerly integrated into the rich results test tool) also provides a real-time overview.
What are the most common AMP errors to fix?
Disallowed tags top the list: a forgotten tracking <script>, a standard iframe instead of <amp-iframe>, a form lacking the <amp-form> component. These errors instantly break validation.
Next, mixed HTTP/HTTPS resources: an image served over HTTP while the page is in HTTPS. AMP requires total encryption. Finally, missing attributes on media: width and height are mandatory on <amp-img> to avoid layout shifts.
Should I abandon AMP or fix it?
If your AMP pages generate less than 10% of mobile traffic and fixing requires heavy refactoring, abandonment is reasonable. Properly redirect AMP URLs to their standard equivalents with a 301, remove rel="amphtml" tags, and focus on optimizing Core Web Vitals.
If AMP represents still a significant channel — especially via Google News or Discover — invest in systematic fixing. Set up continuous monitoring (weekly cron that validates a sample of pages) and a pre-production workflow that blocks any deployment that breaks AMP.
- Audit the Search Console AMP section weekly to detect new errors
- Test each AMP page with the official validator before production
- Ensure all media (images, videos) have explicit
widthandheightattributes - Replace disallowed standard tags with their AMP equivalents (
<amp-iframe>,<amp-img>, etc.) - Ensure all external resources are served over HTTPS without exception
- Implement automated monitoring (e.g. Python script + AMP Validator API) to detect regressions
❓ Frequently Asked Questions
Une page AMP avec erreurs est-elle indexée par Google ?
Les erreurs AMP peuvent-elles faire baisser mon trafic mobile ?
Dois-je corriger toutes les erreurs AMP avant de publier une page ?
Que se passe-t-il si je supprime AMP sans redirection ?
Le badge éclair AMP augmente-t-il le CTR dans les SERP mobiles ?
🎥 From the same video 45
Other SEO insights extracted from this same Google Search Central video · duration 1h14 · published on 11/12/2020
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