What does Google say about SEO? /
The Crawl & Indexing category compiles all official Google statements regarding how Googlebot discovers, crawls, and indexes web pages. These fundamental processes determine which pages from your website will be included in Google's index and potentially appear in search results. This section addresses critical technical mechanisms: crawl budget management to optimize allocated resources, strategic implementation of robots.txt files to control content access, noindex directives for page exclusion, XML sitemap configuration to enhance discoverability, along with JavaScript rendering challenges and canonical URL implementation. Google's official positions on these topics are essential for SEO professionals as they help avoid technical blocking issues, accelerate new content indexation, and prevent unintentional deindexing. Understanding Google's crawling and indexing processes forms the foundation of any effective search engine optimization strategy, directly impacting organic visibility and SERP performance. Whether troubleshooting indexation problems, optimizing crawl efficiency for large websites, or ensuring proper URL canonicalization, these official guidelines provide authoritative answers to complex technical SEO questions that shape modern web presence and discoverability.
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★★★ Does blocking Googlebot by certain ISPs really hurt your search rankings?
If Googlebot is not blocked, the content can be crawled and indexed normally. However, if Googlebot is blocked, for example in the United States, the pages risk disappearing from search results....
John Mueller Feb 19, 2019
★★★ Can You Really Create a Search Console Property for a Non-Indexed Site?
John Mueller indicated on Twitter that, in principle, a website does not need to be indexed on the search engine to create a Search Console property at its address. Theoretically, you can therefore re...
John Mueller Feb 18, 2019
★★★ Should You Really Avoid Frequently Switching Pages Between Index and Noindex?
John Mueller explained on Twitter that you shouldn't switch too often, for the same page, from a "noindex" version to an "index" version for the meta robots tag. This can confuse Google's analysis and...
John Mueller Feb 18, 2019
★★★ Does the Google Sandbox Really Exist for New Pages?
John Mueller explained on Twitter that there is no "sandbox" on Google that would deprive a newly created page of certain rankings before a certain period of time. On this subject, his response was fa...
John Mueller Feb 11, 2019
★★★ Does Googlebot really crawl from the U.S. for all countries?
Googlebot has no preference for Swiss content but generally conducts its crawling activities from the United States. This is important for considering the customization and indexing of multi-country c...
John Mueller Feb 08, 2019
★★★ Can Googlebot's cache really hinder the indexing of your pages?
During indexing, Googlebot uses cached resources to reduce crawl time. An excessive number of resources can affect indexing if the loading turns out to be too long or heavy....
John Mueller Feb 08, 2019
★★★ Does URL structure really impact SEO rankings?
You can use any URL structure as long as it doesn't lead to infinite spaces. Clear and simple structures favor proper crawling and indexing. Ideally, the URL structure should not change frequently....
John Mueller Feb 08, 2019
★★ Do Canonical Fluctuations Really Ruin Your Indexing?
Fluctuations in canonical declarations may be due to data processing and should not change frequently. If they do, send examples for investigation....
John Mueller Feb 08, 2019
★★★ Why might your syndicated content rank better elsewhere than on your own site?
Syndicated content may rank better on a third-party site than on yours due to the added value from the rest of the site. The canonical attribute is a good indicator for linking similar pages, but it d...
John Mueller Feb 08, 2019
★★★ How do hreflang tags slow down the indexing of your international pages?
Hreflang tags allow you to indicate to Google the different language versions of your pages. This process involves several steps: we must first crawl and index the different versions of a page, unders...
John Mueller Feb 08, 2019
★★ Do web.dev scores really impact your Google ranking?
Performance scores on web.dev represent best practices, but a low score does not automatically indicate a lower rank in Google search results. Very slow sites are more likely to encounter indexing pro...
John Mueller Feb 08, 2019
★★ Why do some 301 redirects take months to be reviewed by Google?
301 redirects must be handled on a page-by-page basis to be properly understood by Google. This process is gradual, with some pages being indexed very quickly, while others may take several months to ...
John Mueller Feb 08, 2019
★★★ Why does Google crawl your pages without indexing them?
John Mueller explains that not all crawled pages are automatically indexed by Google. The algorithms determine whether energy should be focused on certain pages based on their relevance and potential ...
John Mueller Feb 05, 2019
★★ Can Content Personalization Really Boost Your Organic SEO?
Content personalization based on location or user history can enhance user experience but will not necessarily impact SEO, unless Googlebot can access this personalized content....
John Mueller Feb 05, 2019
★★ Should you use the JSON-LD expiration date to hide absent videos from Google search results?
John Mueller advises using the expiration date in JSON-LD structured data to indicate to Google not to include certain video content in search results, particularly when a page does not actually conta...
John Mueller Feb 05, 2019
★★★ Is it really necessary to update your sitemap with every new page?
If Google discovers and indexes new pages through normal crawling, it is not crucial to update the sitemap file, although it does help to recognize changes more quickly....
John Mueller Feb 05, 2019
★★★ Can You Really Trust Google Search Console's Mobile Data to Guide Your SEO Strategy?
We asked Vincent Courson whether the data from the new Search Console regarding mobile compatibility was only samples. Because, most often, the number of pages indicated (sum of mobile-compatible page...
Google Feb 04, 2019
★★★ Is the Mobile-Friendly Test really the right tool to check the indexing of dynamic content?
To ensure that dynamically loaded content is well indexed, Google advises using the Mobile-Friendly Test, which allows for observing the rendering of pages in Googlebot's browser....
Google Feb 01, 2019
★★★ How does Google truly index content loaded with AJAX and JavaScript?
Google recommends using practices such as dynamic rendering to ensure that content loaded via AJAX or JavaScript is correctly indexed. The Mobile-Friendly Test and rendering tools are crucial for veri...
Google Feb 01, 2019
★★★ Do you really need to help Google crawl with your sitemap and navigation?
Google considers that using a clear navigation structure and sitemaps is essential for proper content crawling. This allows Google to discover and index pages accurately, even when the content is dyna...
Google Feb 01, 2019
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