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 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
★★★ 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
★★★ 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
★★★ 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
★★ 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
★★★ 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
★★★ Do URLs blocked by robots.txt really consume your crawl budget?
URLs blocked by robots.txt do not consume the crawl budget because Google does not actively crawl them; sites should not worry about this consumption unless they have millions of URLs....
John Mueller Jan 31, 2020
★★★ Do you really need to duplicate breadcrumbs on the mobile version to stay indexed?
With the shift to mobile-first indexing, only the content and markup present on the mobile version are taken into account. Breadcrumbs that are only available on the desktop version will no longer be ...
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
★★★ 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
★★★ 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
★★★ 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
★★★ Does the length of URLs really affect rankings in Google?
The length of a URL, whether long or short, does not directly affect SEO. However, when there are multiple URLs for the same content, Google typically prefers the shorter version as the canonical one,...
John Mueller Jan 31, 2020
★★ Should you change your Googlebot detection due to the user agent update?
The Googlebot user agent will be updated regularly in line with the versions of Chrome being used. This may require adaptation for sites that only recognize Googlebot by the exact text of the user age...
John Mueller Jan 30, 2020
★★★ How is BERT truly transforming the way Google evaluates your content?
Google employs BERT to better understand natural language, both for discerning user intents and for analyzing the content of indexed pages. This enhances the relevance of search results by adapting co...
John Mueller Jan 30, 2020
★★★ Is your site losing traffic because your mobile version hides content?
With mobile-first indexing, Google will only index the content available on the mobile version of your page. If your intention is to show less content on mobile than on desktop, it is this content tha...
John Mueller Jan 30, 2020
★★★ Is BERT really changing how Google understands your pages?
BERT is used by Google to better understand user queries and the pages in its index. It's a modern approach to grasping natural language....
John Mueller Jan 30, 2020
★★★ Does mobile-first indexing really exclude any content that's absent from your mobile version?
With mobile-first indexing, Google only indexes the content visible on the mobile version of the pages. Elements such as text, images, links, and structured data must be present on mobile to be indexe...
John Mueller Jan 30, 2020
★★★ How Many Redirect Chains Can You Have Before Hurting Your SEO Performance?
John Mueller indicated on Reddit that redirect chains should be avoided, particularly more than 5 successive redirects on a website, as Googlebot will not follow them beyond this number....
John Mueller Jan 27, 2020
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