Official statement
Other statements from this video 21 ▾
- 2:06 La vitesse mobile détermine-t-elle vraiment votre classement Google ?
- 2:12 La vitesse mobile est-elle vraiment un critère de classement Google décisif ?
- 4:19 Faut-il vraiment paniquer si votre site charge en plus de 3 secondes ?
- 4:19 Pourquoi perdez-vous la moitié de vos visiteurs avant même qu'ils ne voient votre contenu ?
- 5:37 Le Speed Index sous 5 secondes : suffit-il vraiment à garantir une bonne performance perçue ?
- 5:42 L'indice de vitesse est-il vraiment la métrique clé de Google pour le mobile ?
- 9:56 Pourquoi le CSS et le JavaScript bloquent-ils vraiment le premier affichage de vos pages ?
- 10:11 Faut-il vraiment optimiser le chemin de rendu critique pour gagner en vitesse ?
- 15:29 Async ou defer : quelle stratégie JavaScript maximise réellement votre crawl budget ?
- 20:21 Faut-il vraiment charger le CSS de manière asynchrone pour améliorer le rendu critique ?
- 25:29 Pourquoi srcset est-il devenu incontournable pour le SEO mobile ?
- 28:48 Jusqu'où peut-on compresser les images sans perdre en SEO ?
- 30:00 Le lazy loading des images améliore-t-il vraiment le temps de chargement et le SEO ?
- 30:50 Faut-il vraiment activer le lazy loading sur toutes vos images pour améliorer le SEO ?
- 41:00 WebPageTest : pourquoi Google insiste-t-il sur la 3G et les tests multiples ?
- 44:25 Les frameworks JavaScript sabotent-ils vraiment vos performances mobiles ?
- 46:18 HTTP/2 server push réduit-il vraiment les requêtes pour améliorer votre SEO ?
- 46:20 HTTP/2 et server push : faut-il vraiment compter sur cette fonctionnalité pour accélérer son site ?
- 48:17 Le cache navigateur améliore-t-il vraiment le classement dans Google ?
- 50:19 Faut-il vraiment supprimer la moitié de vos plugins WordPress pour le SEO ?
- 52:43 AMP améliore-t-il vraiment la vitesse de votre site ou est-ce un piège technique ?
Google claims that AMP significantly speeds up pages, with 600 million indexed pages. For SEO, this means potential speed improvements, but adoption is not universal. Before diving in, check if your site truly needs AMP or if other speed optimizations would be more relevant and less technically demanding.
What you need to understand
Why has Google been pushing AMP for so long?
AMP (Accelerated Mobile Pages) is an open-source project launched by Google to create ultra-fast mobile pages. The principle is simple: simplified HTML, limited JavaScript, optimized CSS. The stated goal is to provide an instant experience for mobile users.
The 600 million indexed pages mentioned by Google indicate massive adoption by publishers, especially in journalism and media. The format imposes strict constraints that ensure high loading speed. However, this standardization comes at a cost: less creative and technical flexibility.
Is the page acceleration truly significant with AMP?
Yes, on paper. AMP enforces the adoption of best performance practices: asynchronous resource loading, predefined image sizes, limited inline CSS, no blocking third-party JavaScript. The result is often remarkable on initially poorly optimized sites.
But here's the catch: a site already well optimized with modern techniques (lazy loading, HTTP/2, minification, CDN) can achieve comparable performance without AMP. The difference is sometimes measured in fractions of a second. The real question becomes: does this marginal gain justify the complexity of maintaining two versions of your pages?
Is AMP a direct ranking factor in Google?
No, and that's crucial. Google has always maintained that AMP is not a direct ranking criterion. What matters is page speed, regardless of the technology used. AMP was initially required to appear in the Top Stories carousel on mobile, but this requirement has been lifted.
Today, with Core Web Vitals as official signals, a fast page without AMP can outperform a poorly configured AMP page. The advantage of AMP lies elsewhere: Google caching, preloading, instant display from the SERPs. These elements enhance user experience, which may indirectly influence CTR and bounce rate.
- AMP guarantees high speed through strict technical constraints
- The format benefits from Google cache and preloading for instant display
- No direct ranking bonus: only speed matters, regardless of technology
- 600 million indexed pages show massive adoption in certain sectors (media, e-commerce)
- Technical complexity and creative limitations are the price to pay for this standardization
SEO Expert opinion
Does this statement reflect the reality observed in the field?
Yes and no. The figure of 600 million indexed pages is impressive, but it hides a more nuanced reality. AMP adoption has mostly focused on media and some e-commerce sites, driven by the need to appear in Top Stories or deliver an ultra-fast mobile experience. Many other sectors have never made the switch.
In recent years, there has even been a disengagement movement. Major sites have abandoned AMP in favor of traditional optimizations combined with Core Web Vitals. The reason? Maintaining two versions of a site (AMP and non-AMP) represents a considerable technical and human cost. Teams prefer to invest in a single ultra-optimized version.
What nuances should be added to Google's statement?
Google says "AMP can significantly speed up pages," but fails to specify: compared to what? A poorly optimized site, certainly. A site that is already performing well, the gain becomes marginal. The wording "can" is telling: it is not an automatic guarantee.
Second point: "check if AMP suits the specific needs of your site." This seemingly innocuous phrase hides a real trap. AMP imposes severe functional limitations: complex forms that are difficult to implement, limited analytical tracking, restricted customization, constrained programmatic advertising. For an e-commerce site with a sophisticated user journey, AMP can become a straitjacket.
In what cases does AMP not apply or become counterproductive?
Let's be honest: AMP is not for everyone. If your site relies on interactive JavaScript, complex animations, or customized features, you will struggle. AMP's limitations will force you to create a diminished experience, which can harm engagement and conversions.
For sites with little mobile traffic, the technical investment is not justified. Likewise, if your CMS does not natively support AMP, you will need to develop and maintain a parallel infrastructure. [To be verified]: Google provides no comparative data proving that AMP systematically outperforms standard modern optimization across all types of sites. Public benchmarks are rare and often biased by comparisons with non-optimized sites.
Practical impact and recommendations
Should you implement AMP on your site today?
The answer depends on your context. If you manage a news site or a blog primarily with text content and images, AMP can indeed provide a quick gain. The simplicity of the format aligns well with these uses, and the AMP infrastructure is mature.
In contrast, for an e-commerce site, a SaaS platform, or any site requiring rich user interactions, prioritize traditional optimization first. Focus on Core Web Vitals: LCP, FID, CLS. Modern tools (Webpack, HTTP/3, Brotli compression, CDN edge computing) can achieve excellent performance without AMP's constraints.
What mistakes should you avoid if you choose AMP?
The most common mistake: implementing AMP while neglecting the non-AMP version. Google serves the AMP version from its cache, but users can switch to the standard version. If the latter is slow, you lose the initial benefit. Keep both versions performing well.
Another trap: failing to correctly configure the canonical and amphtml. The relationship between AMP and non-AMP pages must be explicit through the link rel tags. An error here can lead to duplicate content issues or partial indexing. Monitor the Search Console to quickly detect AMP errors.
Finally, be cautious with tracking and analytics. AMP uses amp-analytics with limitations. If your business model relies on finely measuring user behavior, ensure you can collect the necessary data. Some third-party integrations (A/B testing, personalization) are impossible or very limited in AMP.
How can you measure the real impact of AMP on your performance?
First, establish clear KPIs: loading speed (LCP), bounce rate, time on page, conversions. Compare these metrics between AMP and non-AMP pages on similar content. Use Google Analytics with dedicated segments to isolate AMP traffic.
Test with tools like PageSpeed Insights, Lighthouse, and WebPageTest. Compare scores between your AMP version and your optimized standard version. If the difference is minimal, the AMP investment may not be justified. Also, measure the business impact: does AMP traffic convert better? Is revenue per visit comparable?
- Audit your current Core Web Vitals before considering AMP
- Evaluate if your key features are compatible with AMP's limitations
- Test AMP on a sample of pages before a full deployment
- Correctly configure canonical and amphtml tags to avoid duplication
- Set up distinct analytics tracking to measure the real impact
- Monitor the Search Console to detect AMP validation errors
❓ Frequently Asked Questions
AMP est-il encore pertinent avec les Core Web Vitals ?
Dois-je abandonner AMP si je l'ai déjà implémenté ?
AMP améliore-t-il mon classement dans Google ?
Comment savoir si mon site a besoin d'AMP ?
Les pages AMP sont-elles toujours mises en cache par Google ?
🎥 From the same video 21
Other SEO insights extracted from this same Google Search Central video · duration 54 min · published on 25/01/2018
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