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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★★★ Can A/B testing really harm your natural search ranking?
A/B tests do not pose a problem for SEO. Googlebot does not use cookies, so it will potentially analyze each version without a pre-existing cookie. Use canonical tags to indicate the main version of a...
John Mueller Feb 21, 2020
★★★ Should you really show Googlebot an ad-free version of your pages?
It is acceptable to treat Googlebot as a premium user who sees ad-free pages if this aligns with the user experience, but it is advisable to limit this to content protected by a paywall....
John Mueller Feb 21, 2020
★★ Does Hreflang really protect against duplicate content across countries?
If the same content is available in the same language for different countries, Google will often index them together and then attempt to distinguish them in search results for the appropriate audience...
John Mueller Feb 21, 2020
★★★ Does Googlebot really execute all your JavaScript, or is it just bluffing?
Googlebot executes JavaScript to index the final content rendered by it. However, if the analysis shows that the rendering of JavaScript does not lead to major changes, Googlebot may process the page ...
John Mueller Feb 21, 2020
★★★ Should you really hide navigation links on an e-commerce site?
Rather than hiding links or using only JavaScript techniques to manage extensive catalogs, it's advisable to make some content accessible via 'rel=nofollow' tags or canonical tags, rather than simply ...
John Mueller Feb 21, 2020
★★ Is the AMP Test Tool enough to ensure your pages are indexed by Google?
The AMP Test Tool allows you to test a specific page or check a code snippet for issues. However, this tool tests the overall implementation of AMP without specific information regarding indexing by G...
Daniel Waisberg Feb 20, 2020
★★★ Do AMP errors really block indexing on Google?
AMP pages with an error cannot appear in Google search results, unlike pages with warnings that remain indexed but may not feature in rich results or the Top Stories carousel....
Daniel Waisberg Feb 20, 2020
★★★ Can Automatically Translated Content Really Rank Without Penalty?
Automatically translated content can be acceptable if the quality is high and understandable. However, you need to ensure quality before making it indexable as it could be viewed as low-value automati...
John Mueller Feb 18, 2020
★★★ How often should you really submit your new URLs via sitemap to Google?
It is recommended to submit new URLs to Google once a minute or every few minutes to avoid bombarding Google, while keeping URL reports reasonably up to date....
John Mueller Feb 18, 2020
★★★ Do you really need to split your sitemaps to manage a high-volume URL site?
For websites with a large number of dynamic URLs, use segmented sitemaps to manage recent and stable content so that you don't submit the entire sitemap with every addition. An RSS feed can also be ef...
John Mueller Feb 18, 2020
★★★ Should You Really Force Your Pages to Index Through Search Console?
John Mueller indicated, again on Twitter, that if you need to use Search Console ("URL Inspection" section) to manually index your website's pages, it means you have a serious problem with the quality...
John Mueller Feb 10, 2020
★★★ Is it true that Google really ignores your initial static content when using JavaScript?
When a page is rendered with JavaScript, Google only uses the rendered version for indexing. It is crucial that this version does not contain significant conflicts with the static content, such as noi...
John Mueller Feb 07, 2020
★★★ Should you really include the lastmod attribute in your XML sitemaps?
In sitemap files, the lastmod attribute is used by Google to determine which pages have been significantly modified and need to be revised. Do not use today's date for all pages, so real changes can b...
John Mueller Feb 07, 2020
★★ Are keyword-rich URLs really useless for SEO?
Keywords present in URLs play a very minor role in SEO. When the content of the page is indexed, these words have an insignificant role. URLs identified solely by IDs are equally valid, especially in ...
John Mueller Feb 07, 2020
★★★ Does US Hosting Really Speed Up Google's Crawling of Your Website?
John Mueller indicated on Twitter that the search engine's bot does not prioritize site crawling based on the geographic location of the server. Specifically, US-based sites are not crawled better or ...
John Mueller Feb 03, 2020
★★★ Do JavaScript redirects really pass PageRank?
Links that go through JavaScript redirects can pass weight and signals if Googlebot is capable of following them. Otherwise, they are treated as if they do not exist....
John Mueller Jan 31, 2020
★★★ Could linking to AMP cache URLs jeopardize your SEO?
Directly linking to AMP cache URLs is not advisable because these URLs can change and are often blocked by the robots.txt file, which can impact SEO....
John Mueller Jan 31, 2020
★★★ Should you really recrawl a page to get Google to acknowledge your link changes?
Google evaluates pages based on the current status of links and content. Changes made to links, such as removing a nofollow attribute, are taken into account during the recrawl of the affected page....
John Mueller Jan 31, 2020
★★★ Why does Google index non-canonical pages even when the rel=canonical markup is correct?
Even with correct rel=canonical markup, Google can sometimes index non-canonical pages due to conflicting signals like internal links or non-compliant sitemap files....
John Mueller Jan 31, 2020
★★★ Can redirected interstitials really harm your indexing?
When a redirect is used to display an interstitial, Googlebot only sees the content of that redirect, which can harm the indexing of the actual content on your site....
John Mueller Jan 31, 2020
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