Official statement
Other statements from this video 18 ▾
- 1:05 Les images uniques influencent-elles vraiment votre visibilité dans Google Images ?
- 1:35 Les images impactent-elles vraiment le classement dans les résultats de recherche web ?
- 2:08 Les attributs alt d'images sont-ils vraiment déterminants pour votre référencement Google ?
- 3:40 Pourquoi Google explore-t-il des pages sans les indexer ?
- 4:44 Peut-on vraiment utiliser du texte en français dans les balises de géolocalisation d'images pour le SEO local ?
- 6:13 Faut-il vraiment soumettre à l'indexation après avoir corrigé ses données structurées ?
- 7:20 Peut-on vraiment agréger les avis tiers sur son site sans risquer une pénalité ?
- 9:26 Pourquoi votre Knowledge Panel affiche-t-il des données incorrectes ?
- 11:41 La recherche vocale est-elle vraiment un facteur de classement à part entière ?
- 13:25 Comment gérer les interstitiels d'âge sans bloquer l'indexation Google ?
- 15:27 Les scores de qualité Google Ads influencent-ils vraiment votre référencement naturel ?
- 17:20 Les liens sortants améliorent-ils vraiment le classement de vos pages ?
- 19:31 Les avis clients en JavaScript doivent-ils être balisés en données structurées ?
- 24:06 Pourquoi vos pages JavaScript mettent-elles des semaines à être indexées ?
- 29:35 Faut-il utiliser les outils de suppression lors d'une migration de site ?
- 33:29 Redirections 301 ou canoniques : quelle différence réelle pour un transfert de catégorie ?
- 45:44 L'indexation mobile-first exige-t-elle vraiment une parité stricte entre mobile et desktop ?
- 56:48 Comment gagner face à des concurrents dominants en SEO sans s'épuiser sur les requêtes ultra-compétitives ?
Googlebot primarily crawls from IP addresses in the United States, but Mueller claims that the geographical impact on measured speed is negligible. Google combines lab data with real user data to evaluate performance. Speed optimization remains critical, but geographical hosting is not the determining factor many imagine.
What you need to understand
Why does Google crawl from the United States for all sites?
Googlebot mainly operates from American datacenters, regardless of your audience's geographical area. This centralization raises a legitimate question: would a site hosted in Europe or Asia experience latency issues during crawling?
Mueller's response is clear. The difference in loading time caused by this geographical distance is, according to him, insignificant in the final assessment. Google does not only measure speed as perceived by its bot, but also integrates real user data (CrUX) from Chrome.
How does Google actually assess page speed?
The algorithm combines two distinct sources: lab data (controlled conditions, Google server) and field data (Chrome User Experience Report). The former measures theoretical performance, while the latter reflects the real experience of your visitors on their devices, connections, and geolocation.
This dual approach explains why a site may have excellent Lighthouse scores (lab) but poor Core Web Vitals (field). The field data carries more weight in ranking because it captures the real usage reality.
Does geographical crawling affect indexing differently based on regions?
No. Google does not apply a geographical filter based on crawl location. A French site crawled from the United States is not disadvantaged compared to an American competitor. The server location is just one signal among others, far less decisive than hreflang tags, the ccTLD, or geographical targeting in Search Console.
This statement confirms what field tests show: proximal hosting (CDN, local server) enhances the actual user experience but does not compensate for structural performance flaws (blocking JS, unoptimized images, slow third-party resources).
- Googlebot predominantly crawls from American IPs, regardless of the site's geographical target
- Geographical crawl latency does not significantly impact the speed assessment used for ranking
- Google combines lab data (Lighthouse, PageSpeed Insights) and real user data (CrUX) to measure performance
- Field Core Web Vitals (CrUX) carry more weight than lab scores in the algorithm
- Geographical hosting is not a direct ranking factor, but it enhances the actual user experience if your audience is local
SEO Expert opinion
Is this statement consistent with field observations?
Yes, but with an important nuance. Tests do show that the crawl location is not the blocking element for ranking. A well-optimized Australian site can outperform a poorly structured American site, even if Googlebot takes 200 ms longer to reach it.
Where it becomes complicated: Mueller oversimplifies. Saying that the difference is "insignificant" overlooks the fact that some sites, especially in e-commerce or media, see their crawl budget impacted by server delays. If your TTFB is catastrophic (1.5 s+), Googlebot will crawl fewer pages per session, regardless of geography. [To be verified]: Google has never published a specific threshold where geographical latency starts to impact the crawl budget.
What nuances should be added about lab data vs. field data?
Google claims to use both, but the relative weight remains unclear. CrUX data (field) is public, measurable, and Google has confirmed its role in the Page Experience algorithm. Lab data is mainly used for diagnostics (PageSpeed Insights), not for direct ranking.
The problem: if your site has little Chrome traffic, you won't have CrUX data. Google then falls back on lab metrics, which are less representative. In that case, optimizing for Lighthouse becomes critical. Mueller does not specify this threshold for switching, leaving a gray area for low-traffic sites.
When is server location still important?
For the actual user experience, not for crawling. A Chinese site hosted in the United States without a CDN will have terrible CWV for local visitors, even if Googlebot doesn't care. CrUX data will capture this slowness, and that's when you lose ranking.
Another case: sites with dynamically generated content (personalization, A/B testing, server geolocation) may serve different content based on IP. If Googlebot crawls from the United States and sees a different version from that seen by European users, you have a consistency issue. This is rare, but it occurs on poorly configured sites.
Practical impact and recommendations
What should you prioritize optimizing for loading speed?
Forget the obsession with ultra-proximal servers. What's important is the TTFB (Time to First Byte) and the Core Web Vitals measured by your actual users. A well-configured CDN (Cloudflare, Fastly) significantly compensates for non-optimal server location.
The real levers: server caching (Redis, Varnish), Brotli compression, lazy loading of images, defer/async on non-critical JS, minimization of the DOM. If your CrUX shows an LCP > 2.5 s or a CLS > 0.1, that's where you need to focus. Network latency between Mountain View and your Paris server does not explain an LCP of 4 seconds.
What mistakes should you avoid following this statement?
The first mistake: neglecting the crawl budget on the grounds that "location doesn't matter". If your server responds sluggishly (TTFB > 1 s), Googlebot will reduce the frequency and depth of crawl, even if it doesn’t directly penalize you in ranking.
The second mistake: ignoring CrUX data. They are accessible via PageSpeed Insights or BigQuery. If your real users are in Asia but your server is in Europe without a CDN, the field CWV will be poor, regardless of where Googlebot crawls. It’s this degraded user experience that will cost you rank, not the geographical location of the bot.
How to check if your configuration is optimal?
Start with Search Console: the "Crawl Stats" section, "Response Time" tab. If you see regular spikes or an average > 500 ms, your server is struggling. Cross-reference with the Core Web Vitals (dedicated section): if both are in the red, you have a structural problem.
Then, test with PageSpeed Insights in "Field Data" mode. Compare lab metrics (US server) and CrUX data (real users). A significant discrepancy indicates a geographical problem or caching issue. A CDN with edge caching resolves 80% of cases.
- Check your TTFB in Search Console (target: < 500 ms)
- Consult the CrUX data via PageSpeed Insights or BigQuery for your real metrics
- Deploy a CDN if your audience is geographically dispersed
- Optimize server caching (Redis, Varnish) before changing hosts
- Monitor the crawl budget in Search Console (pages crawled/day) to detect server slowdowns
- Test the consistency of crawled content vs. content served to users with a geolocated VPN
❓ Frequently Asked Questions
Googlebot crawle-t-il mon site français depuis les États-Unis même si mon audience est exclusivement européenne ?
Dois-je héberger mon site en Europe pour améliorer mon ranking sur Google.fr ?
Qu'est-ce qui pèse le plus : les données de laboratoire (Lighthouse) ou les données terrain (CrUX) ?
Comment savoir si la latence géographique affecte mon crawl budget ?
Un site sans données CrUX (peu de trafic Chrome) est-il pénalisé pour la vitesse ?
🎥 From the same video 18
Other SEO insights extracted from this same Google Search Central video · duration 58 min · published on 30/11/2018
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