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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★★★ Why doesn't Google index your non-canonical AMP pages?
Non-canonical AMP pages (AMP as an alternative format) are not indexed. Google only indexes the main HTML version and presents AMP as an alternative format in search results for users....
Gary Illyes Nov 16, 2020
★★★ Why does it take Google 3 to 6 months to refresh large websites?
For large sites, Google balances crawling between discovering new content and refreshing existing content. Without specific signals, Google takes 3 to 6 months to refresh all the content of a large si...
John Mueller Nov 13, 2020
★★★ Why does it take Google 3 to 6 months to refresh an entire large site?
For large sites, Google cannot crawl everything in one day. The crawl budget balances the discovery of new content and refreshment. A complete site can take 3 to 6 months to be fully refreshed, priori...
John Mueller Nov 13, 2020
★★★ Why does Google take 3 to 6 months to crawl your complete redesign?
For a large site updating all its content in one day, Google cannot crawl everything immediately. Crawling is typically spread over 3 to 6 months. During a major update, Google prioritizes important a...
John Mueller Nov 13, 2020
★★★ Should you really choose between 301 redirect and canonical for merging two sites?
To merge two sites, Google recommends the 301 redirect if the goal is purely SEO and a complete cleanup. The canonical is preferable if you want to keep the old site active for reasons other than SEO....
John Mueller Nov 13, 2020
★★★ Do you really need to choose between a 301 redirect and a canonical tag to merge two sites?
To merge two sites, a 301 redirect is recommended if the goal is purely SEO-focused and about cleaning everything up. The canonical tag allows for keeping the old site active while concentrating SEO e...
John Mueller Nov 13, 2020
★★★ 301 Redirect or Canonical for Merging Two Sites: What's the SEO Difference?
To merge two websites, use a 301 redirect if you want to completely combine the sites and clean up the old one. Use the canonical if you want to keep the old site active for reasons other than SEO whi...
John Mueller Nov 13, 2020
★★ Does Google really impose an indexing delay based on the quality of your pages?
Google does not have an intentional delay between indexing a page and displaying it based on quality or mobile usability issues. If the content is in pure HTML, it is indexed immediately after crawlin...
John Mueller Nov 13, 2020
★★ Should you stop manually submitting URLs to Google?
Google should trust sitemap files instead of requiring webmasters to manually submit URLs through forms and captchas. Regular updates should be automatically managed through sitemaps....
John Mueller Nov 13, 2020
★★★ Is Google indexing really instantaneous, or are there hidden delays?
Google imposes no delay between indexing and displaying a page based on quality or mobile usability issues. If the content is in HTML, it is indexed immediately after crawling. JavaScript rendering ma...
John Mueller Nov 13, 2020
★★★ Why is submitting a sitemap essential for the crawling of your site?
To help search engines discover all your content, it is very useful to indicate which pages, images, and videos to explore by submitting a sitemap via the Sitemaps report in Search Console....
Daniel Waisberg Nov 12, 2020
★★★ Is the Search Console index coverage report really enough to diagnose your indexing issues?
The index coverage report in Search Console allows you to verify that Google can find and index your pages. It shows errors that prevent indexing, valid pages with warnings, valid indexed pages, and e...
Daniel Waisberg Nov 12, 2020
★★ Should you always validate indexing corrections in Search Console?
After correcting an indexing error, click on Validate Fix in Search Console, and Google will validate your changes....
Daniel Waisberg Nov 12, 2020
★★★ Do you really know how to interpret Google’s indexing statuses: ‘Excluded’ vs ‘Valid’?
Errors prevent indexing and result in traffic loss. Valid pages have been indexed and can appear on Google. Excluded pages are not indexed, but Google thinks that this is intentional or appropriate....
Daniel Waisberg Nov 12, 2020
★★★ Could personalizing content for your users lead to a cloaking penalty?
Showing personalized content to users based on their preferences (cookies) while serving a pre-rendered version to Googlebot is not cloaking, as long as the personalization remains logical and expecte...
Martin Splitt Nov 11, 2020
★★ Is it true that Googlebot doesn't click on buttons on your site?
Google Search doesn't click on buttons or interactive elements during crawling. A non-functional 'Add to Cart' button in SSR therefore has no negative impact on SEO....
Martin Splitt Nov 11, 2020
★★★ Are Core Web Vitals really measured on users or bots?
Core Web Vitals are measured from real user data (Chrome UX Report), not from rendered versions for bots. Therefore, dynamic rendering does not impact these metrics....
Martin Splitt Nov 11, 2020
★★★ Should we ditch dynamic rendering for SSR with hydration?
Dynamic rendering is seen as a workaround. For medium to long-term investments, it's better to opt for SSR with hydration, which offers the best of both worlds....
Martin Splitt Nov 11, 2020
★★★ How can you structure your URLs to enhance the discoverability of hyper-local content?
For hyper-local content per city, ensure you have discoverable URLs through the sitemap or a structure with links in the menus, allowing Google to understand where the content is situated within the s...
Martin Splitt Nov 11, 2020
★★★ Can Google really overlook your critical tags in the battle between initial and rendered HTML?
Inconsistencies between initial HTML and rendered HTML (canonical, noindex, title) create undefined behavior. Google can unpredictably choose one version or the other. This situation must be avoided....
Martin Splitt Nov 11, 2020
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