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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★★★ Is faceted navigation really a coverage error trap?
Excessive use of URL parameters in faceted navigation can generate a lot of duplicate pages, which increases the number of coverage errors. These pages need to be properly managed to optimize crawling...
Google Mar 25, 2021
★★ Is server-side rendering really essential for your SEO?
Server-side rendering typically makes websites more robust and faster for users. However, it's not a silver bullet. If your client-side site performs well for indexing and users, there's no need to ch...
Martin Splitt Mar 25, 2021
★★★ Does the canonical tag maintain its power regardless of the page's age?
The current guidelines on canonical tags are still valid, even if the page was published at an earlier date....
Google Mar 25, 2021
★★★ Does Duplicate Content Really Kill Your SEO?
Duplicate content generally does not lead to penalties. However, it can harm your site's visibility because Google might choose a canonical version from another source....
Google Mar 25, 2021
★★★ Should you stop using the site: command to verify your pages' indexing?
The site: command can be helpful for checking whether specific pages are indexed, but it does not provide a complete picture and should not be used to evaluate the entirety of a site's indexing covera...
Google Mar 25, 2021
★★★ Does Googlebot really click on the JavaScript buttons and links on your site?
Googlebot does not click on any elements on the page (buttons, onclick links, etc.). Clicking is too costly in terms of CPU power for the Web Rendering Service. URLs must be discovered via standard hr...
Martin Splitt Mar 24, 2021
★★★ How does switching to Evergreen Chrome revolutionize Google's page rendering?
The transition from Chrome 41 to an evergreen Chrome in the Web Rendering Service has been a major factor in improvement. Google has developed a sustainable strategy to keep pace with Chrome updates....
Martin Splitt Mar 24, 2021
★★ Should You Remove Links That Are Only Present in the Initial HTML?
Google extracts URLs for crawling from both the initial HTML and the rendered HTML. Links that are only present in the initial HTML but absent from the rendered HTML may work, but consistency is prefe...
Martin Splitt Mar 24, 2021
★★ Should you really hide cumulative content from infinite paginations from Google?
For pagination, it is recommended that each page displays only its own batch of content (e.g., page 2 shows only items 11-20) for Google, even if the user experience cumulatively loads results. This p...
Martin Splitt Mar 24, 2021
★★ Has Googlebot really become foolproof when it comes to JavaScript?
Google has made significant progress in JavaScript rendering since 2018. The evergreen Googlebot functions very well, and issues related to JavaScript are less frequent. Most of the problems reported ...
Martin Splitt Mar 24, 2021
★★ Should you create a separate page for each day of a multi-day event or canonize to a single page?
For a multi-day event, a single page with a single Event Schema markup is enough since you can define start and end dates and times. It is advisable to canonicalize to this single page....
Martin Splitt Mar 24, 2021
★★★ Does Google really render ALL of your JavaScript pages?
Almost all pages are rendered by Google, regardless of the difference between the initial HTML and the rendered HTML. The heuristics for avoiding rendering are very limited and concern very few pages....
Martin Splitt Mar 24, 2021
★★★ Is Server-Side Rendering really essential for SEO in 2025?
Server-Side Rendering (SSR) is recommended by Google. It makes sites faster for users and more robust for crawling. The best time to implement it is at the beginning of a new project, as retrofitting ...
Martin Splitt Mar 24, 2021
★★★ Do structured data really improve the accuracy of Google Merchant Center crawling?
Using structured data on your pages can significantly increase the accuracy of product data collected during the crawling of your website by Google Merchant Center....
Alan Kent Mar 23, 2021
★★★ Which Merchant Center feeding method truly impacts your product visibility?
There are three approaches to provide your product data to Google Merchant Center: by crawling your website, by periodically supplying a full feed of all your products, or by using an API to update in...
Alan Kent Mar 23, 2021
★★ Are supplemental feeds the secret to avoiding crawl delays for volatile data?
Supplemental feeds can add additional fields to the data from the main feed. For example, prices, sale notifications, and stock levels can be provided via supplemental feeds to be updated more frequen...
Alan Kent Mar 23, 2021
★★★ Should You Really Optimize Keywords in Your URLs for SEO?
John Mueller explained, also in a hangout, that the presence of keywords in a URL has very little weight for the user, and even less weight once the content is indexed: We use the words in a URL as a ...
John Mueller Mar 22, 2021
★★★ Does the Order of HTML Attributes Actually Impact SEO and Google Crawling?
An amusing question was asked to John Mueller on Reddit, to find out whether the position of the "rel" and "href" attributes (one before the other, in a given order) in a "canonical" tag mattered. Joh...
John Mueller Mar 22, 2021
★★★ Should you index the content generated by your users?
For Google, user-posted content is still considered part of the site's content. The owner must identify valuable content and promote it while using noindex for duplicated or low-quality content. It is...
John Mueller Mar 19, 2021
★★ Are breadcrumbs really useless for crawl and ranking?
Breadcrumbs probably don't provide additional information for crawl since links to higher levels already exist in the usual interface. Their main advantage is special display in search results, not im...
John Mueller Mar 19, 2021
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