Official statement
Other statements from this video 32 ▾
- 1:07 How does Google actually determine which pages to crawl first on your site?
- 5:21 Should you really optimize product page titles for Google or for users?
- 5:22 Can multiple pages really share the same H1 without risking SEO?
- 6:54 Are mouseover links truly crawlable by Google?
- 9:54 Does Googlebot really follow hidden internal links that appear on hover?
- 10:53 Should you block JavaScript scripts in your robots.txt?
- 13:07 How can you make the most of Search Console to optimize your mobile SEO strategy?
- 16:01 Should you really make your JavaScript files accessible to Googlebot?
- 18:06 Should you really keep your Disavow file even with dead domains?
- 21:00 Can Google Really Handle JavaScript Indexing Effectively?
- 21:45 How can you isolate SEO traffic from a subdomain or mobile version in Search Console?
- 23:24 How many articles should you display per category page for optimal SEO?
- 23:32 Does the canonical tag really transfer as much signal as a 301 redirect?
- 29:00 Is duplicate content really a top SEO concern we should address?
- 29:12 Does the Disavow file really nullify all disavowed backlinks?
- 29:32 Do canonical tags really transmit SEO signals like a 301 redirect?
- 30:26 Should you really clean your Disavow file of dead and redirected URLs?
- 33:21 Is JavaScript really a challenge for Google’s crawling?
- 36:20 Should you really set noindex on sparsely populated category pages?
- 40:50 Is it really necessary to switch your site to HTTPS for SEO?
- 41:30 Does HTTPS really enhance your SEO, or is it just a Google myth?
- 45:25 Does Google really remove misleading pages or does it simply downgrade them?
- 46:12 Should you really avoid using canonical tags on paginated pages?
- 47:32 How can you speed up the deindexing of orphan pages that drag down your Google index?
- 48:06 Does duplicate content really affect your site's crawl budget?
- 53:30 Do Google spam reports really trigger actions?
- 57:26 Does descriptive content on category pages really solve the indexing issue?
- 59:12 Do empty category pages really harm indexing?
- 63:20 Should you really rewrite all product descriptions to rank in e-commerce?
- 70:51 Can Google merge your international sites if the content is too similar?
- 77:06 Should you really avoid canonicals pointing to page 1 on paginated series?
- 80:32 Should you really rely on 404 errors to clean up Google’s index of orphaned URLs?
Google automatically adjusts its crawling frequency based on the perceived importance of pages and their update frequency. The homepage and category pages receive more intensive crawling because they centralize links and often change. Understanding this hierarchy allows for optimizing internal linking and maximizing the available crawl budget.
What you need to understand
Why does Google crawl some pages more than others?
Google does not have infinite resources to explore the web. Each site has an implicit crawl budget, determined by the site's popularity, its technical health, and the frequency of content updates.
The engine prioritizes pages that change frequently and those that act as hubs, meaning they distribute PageRank to other URLs. The homepage and category pages fit this profile perfectly: they aggregate links to dozens or even hundreds of product or article pages, and their content evolves as new items are published.
What qualifies as an 'important' page according to Google?
The importance of a page is not measured by its commercial value to you, but by its role in the site's architecture. A page is considered important if it receives many internal links, is a few clicks away from the root, and itself distributes many links.
Category pages tick all these boxes. They are typically accessible from the main menu, receive links from the homepage, and point to dozens of product sheets or articles. Google regards them as strategic nodes that need close monitoring for updates.
How does update frequency influence crawling?
Google adjusts its behavior based on observed history. If a page changes every day, the crawler will return more often to capture the changes. Conversely, if a page remains static for months, Google will space out its visits.
This is exactly what happens with categories: every time a product is added, removed, or an article is published, the page evolves. Google records this pattern and adjusts its crawling schedule. An isolated product sheet may remain unchanged for weeks, causing Google to visit it less frequently.
- Hub pages (homepage, categories): automatic frequent crawl
- Freshness: regular updates trigger recurring visits
- Architecture: closeness to the root and the volume of internal links matter
- Limited budget: Google cannot crawl everything, it prioritizes based on these signals
- Dynamic adaptation: the crawling rate evolves based on observed history
SEO Expert opinion
Is this statement consistent with real-world observations?
Yes, it aligns precisely with what we observe in server logs. Category pages and the homepage often account for 60 to 80% of the crawl on e-commerce and media sites, even though they comprise only a tiny fraction of the total number of pages.
What we also observe is that Google first crawls the URLs discovered via these strategic pages. If a product sheet is only accessible after 5 clicks, it will be visited less frequently, even if it is technically indexable. Therefore, internal linking becomes a direct lever on crawling frequency.
What nuances should we consider?
Mueller's statement remains generic. It does not specify how Google measures importance exactly, nor the relative weight of internal PageRank, crawl depth, or update frequency. [To be verified]: there is no official ratio to quantify precisely the impact of each factor.
Another point: not all sites are equal. A site with a low overall crawl budget will see its categories crawled, certainly, but not necessarily every week. External popularity (backlinks) plays a major role in the total volume of crawl allocated. A niche site with few incoming links will have a limited budget, even if its architecture is impeccable.
In what cases does this logic not apply?
Static or institutional content sites do not benefit from the same effect. If your category pages never change, Google will eventually space out its visits. This is typically the case with fixed catalogs, showcase sites without updates, or archived document repositories.
Another exception: orphaned or poorly linked pages. Even if a category page technically exists, if it is not linked from the homepage or menu, Google will consider it unimportant and will crawl it rarely. Architecture takes precedence over intent.
Practical impact and recommendations
What concrete actions should be taken to maximize the crawl of strategic pages?
Optimize your internal linking so that category pages and the homepage receive maximum links from other sections of the site. Use breadcrumbs, contextual menus, and sidebar navigation blocks. Each additional internal link strengthens the signal of importance.
Regularly update your categories. Add new products, change sorting order, integrate editorial banners. Google detects these changes and adjusts its visiting rhythm. An RSS feed or XML sitemap with accurate lastmod also helps.
What mistakes should be avoided?
Do not create ghost categories: empty pages or those with 2-3 products that never move. Google will visit them once, note the emptiness, and will not return. It is better to merge weak categories than to scatter the crawl budget.
Avoid infinite chaining via pagination or filters: Google can get lost in thousands of facet URLs. Use rel="prev/next", canonical tags, or block certain combinations in robots.txt to focus the crawl on priority URLs.
How can you verify that your site is compliant?
Analyze your server logs over 30 days. Identify the most crawled pages: these are the ones that Google considers important. If strategic categories do not appear in the top 20, it is a warning sign.
Use Google Search Console to check the indexing frequency of categories. If key pages are only crawled once a month while they change every week, there is a detection or budget issue.
- Audit the internal linking to strengthen strategic categories
- Regularly update the content of hub pages
- Avoid diluting the crawl budget with unnecessary URLs (facets, filters)
- Analyze server logs to identify crawl patterns
- Check the indexing frequency in Search Console
- Use XML sitemaps with lastmod to signal changes
❓ Frequently Asked Questions
Google crawle-t-il vraiment plus souvent les pages de catégories que les fiches produits ?
Comment savoir si mes catégories sont suffisamment crawlées ?
Faut-il modifier artificiellement les catégories pour augmenter le crawl ?
Le nombre de liens internes vers une catégorie influence-t-il le crawl ?
Les petites boutiques en ligne bénéficient-elles du même effet ?
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Other SEO insights extracted from this same Google Search Central video · duration 54 min · published on 24/08/2017
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