Official statement
Other statements from this video 19 ▾
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- 228:24 Faut-il vraiment régénérer vos sitemaps pour retirer les URLs obsolètes ?
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- 295:52 Comment forcer Google à rafraîchir vos fichiers JavaScript et CSS lors du rendering ?
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- 353:48 Faut-il vraiment renseigner les dates dans les données structurées ?
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- 432:21 Faut-il vraiment limiter le nombre de balises H1 sur une page ?
- 450:30 Les headings ont-ils vraiment autant d'importance que le pense Google ?
- 555:58 Les mots-clés LSI sont-ils vraiment utiles pour le référencement Google ?
- 585:16 Combien de liens par page faut-il pour optimiser le PageRank interne ?
- 674:32 Les requêtes JSON grèvent-elles vraiment votre crawl budget ?
- 717:14 Faut-il vraiment bloquer les fichiers JSON dans votre robots.txt ?
- 789:13 Google peut-il deviner qu'une URL est dupliquée sans même la crawler ?
Google limits the crawl of your pages based on two distinct criteria: the technical capacity of your server AND the perceived importance of your content. Therefore, an ultra-fast server does not guarantee intensive crawling if Google deems your pages to be of little use to its users. To maximize your crawl budget, you must simultaneously work on technical performance and the actual value of your URLs.
What you need to understand
What exactly is crawl budget? <\/h3>
The crawl budget <\/strong> refers to the number of pages that Googlebot will explore on your site during a given period. This concept is crucial for large sites (thousands of URLs), as it determines what portion of your content will actually be discovered and indexed.<\/p> Mueller clarifies that this budget does not solely depend on your technical infrastructure. Two factors come into play: on one hand, the capacity of your server <\/strong> to respond quickly without overloading — Google does not want your site to crash. On the other hand, the crawl demand <\/strong> calculated by Google based on the importance it attributes to your pages.<\/p> Google does not crawl everything evenly. It prioritizes pages deemed useful <\/strong>: fresh content, popular URLs receiving clicks, frequently updated pages, sections of the site with high organic traffic.<\/p> Conversely, if your site has many duplicate pages <\/strong>, low-value URLs (facet filters without unique content, empty archives), or outdated content that no one views, Google will reduce its crawl — even if your server can handle the load without issue.<\/p> Many practitioners believed that optimizing server response time and increasing bandwidth would be enough to achieve a massive crawl <\/strong>. This statement resets expectations: technical performance is necessary, but not sufficient.<\/p> If Google considers that a large part of your inventory is not useful to users, it will not waste resources crawling it—even if you could handle 100 requests per second. It’s a logic of algorithmic efficiency <\/strong>: Google allocates its crawl where it anticipates the best return in terms of discovering quality content.<\/p>How does Google assess the importance of your pages? <\/h3>
Why does this distinction change the game for SEOs? <\/h3>
SEO Expert opinion
Does this statement align with field observations? <\/h3>
Absolutely. Crawl budget audits on e-commerce sites with tens of thousands of references show that Googlebot systematically ignores entire categories <\/strong> — even when the server responds in 200 ms. Server logs reveal that duplicate pages, non-canonicalized facet filters, or outdated product archives receive almost no crawl.<\/p> In contrast, sections of the site with fresh content and organic traffic <\/strong> (popular product listings, active blog) are crawled multiple times a day. This observation fully validates Mueller's statement: Google arbitrates based on perceived value, not just technical availability.<\/p> Google remains vague about the exact metrics <\/strong> that determine 'perceived importance.' URL popularity, click-through rate in SERPs, content freshness, depth in the hierarchy — all this plays a role, but [To be verified] <\/strong>: no numerical threshold is publicly communicated. It’s impossible to know precisely how many orphan pages or how many duplicates trigger a reduction in crawl.<\/p> Another point: Mueller speaks of 'crawl limitation' without specifying if this also impacts the final indexing <\/strong>. Can a poorly crawled page still be indexed if it receives powerful backlinks? [To be verified] <\/strong> — official data is lacking on this interaction between crawl budget and indexing.<\/p> For small sites with fewer than 1000 pages <\/strong>, crawl budget is not an issue. Google crawls the entire inventory regularly, unless major technical errors (blocking robots.txt, unstable server) hinder exploration.<\/p> However, as soon as your inventory exceeds 10,000 URLs — especially on e-commerce platforms or listing sites — managing the crawl budget becomes critical <\/strong>. This is where Mueller's statement makes complete sense: you can no longer rely solely on good hosting to ensure exhaustive exploration of your catalog.<\/p>What nuances should be considered? <\/h3>
In what cases does this rule not apply? <\/h3>
Practical impact and recommendations
What concrete steps should be taken to optimize your crawl budget? <\/h3>
Start with a server log audit <\/strong>: analyze which sections of your site Googlebot crawls the most and which it ignores. This reveals low perceived value areas that need improvement or removal from indexing (noindex, robots.txt, canonicals).<\/p> Next, focus on reducing unnecessary inventory <\/strong>. Block facet filters that create duplicate content, canonicalize variants of URLs without added value, and remove or redirect outdated pages. The goal: concentrate the crawl on your strategic URLs.<\/p> Do not multiply URLs without unique content <\/strong> (infinite filters, poorly managed paginations, empty archives). Each URL created dilutes the overall crawl — if it adds nothing, it penalizes the exploration of the rest of the site.<\/p> Also, avoid believing that an ultra-fast CDN <\/strong> or an oversized server will solve everything. Technical performance is a prerequisite, not a magic solution. If your pages lack editorial relevance, Google will limit its crawl regardless.<\/p> Monitor crawl metrics <\/strong> in Google Search Console: number of pages crawled per day, crawl distribution by URL type, crawl errors. A crawl focused on your strategic pages (active product listings, fresh content) is a good sign.<\/p> Then compare the number of pages crawled to the indexed volume <\/strong>. If Google crawls 10,000 pages but only indexes 2,000, you have a quality issue — not a technical problem. This is a clear signal that Google considers the majority of your inventory to be of little use.<\/p>What mistakes should be absolutely avoided? <\/h3>
How to check if your site is properly optimized? <\/h3>
❓ Frequently Asked Questions
Le crawl budget concerne-t-il tous les sites ou seulement les gros inventaires ?
Un serveur très rapide peut-il compenser un contenu de faible qualité ?
Comment Google détermine-t-il qu'une page est importante ?
Les pages peu crawlées peuvent-elles tout de même être indexées ?
Faut-il bloquer les URLs inutiles dans robots.txt ou les passer en noindex ?
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Other SEO insights extracted from this same Google Search Central video · duration 912h44 · published on 05/03/2021
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