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What does Google think about : Crawl & Indexing

5362 statements
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 the 'site:' operator really suffice for checking if your pages are indexed?
To check if your website is indexed by Google, use the search 'site:' followed by your site's address on Google. If your site appears in the results, this means that Google has already indexed it....
Google Dec 18, 2019
★★★ Why isn't your site showing up in Google's site: search results?
If your site doesn't appear in a 'site:' search, there might be crawling or indexing issues. You can submit your sitemap and URLs to Google Search Console to manage your online presence on Google Sear...
Google Dec 18, 2019
★★ Does lazy loading really sabotage the indexing of your images?
Deferred loading of images via lazy loading can affect when Googlebot discovers images for indexing. Make sure that critical images for SEO are not omitted by the lazy loading technique....
Google Dec 17, 2019
★★★ Is it true that you should forget about using the Google Indexing API for your standard pages?
Currently, Google's Indexing API is restricted to job listings and live broadcasts. There is no confirmed timeline for its extension to other types of content....
Google Dec 17, 2019
★★★ How can you manage the surge of Googlebot crawling that crashes your server?
If your site is experiencing a sudden increase in Googlebot crawling that affects server performance, you can adjust the crawl frequency through Google Search Console or submit a request for a specifi...
Google Dec 17, 2019
★★★ Why does an old URL still show up in Google after a redirect?
When Google follows a redirect, the destination page is deemed valid, and an old URL might still show up in search if explicitly accessed, for example via a site:oldurl.com request....
John Mueller Dec 13, 2019
★★★ Does Robots.txt really block the crawling of your images across all your domains?
The robots.txt file is specific to each hostname and protocol. Blocking on a main domain does not block crawling of subdomains or different domains. A 503 code in robots.txt can temporarily stop crawl...
John Mueller Dec 13, 2019
★★★ Does the canonical URL selected by Google really impact your rankings?
Google uses several signals to determine the canonical URL, such as 301 redirects, canonical tags, internal and external linking, and sitemap files. Even if Google chooses a canonical URL different fr...
John Mueller Dec 13, 2019
★★★ How can you manage URL parameters without diluting your crawl budget?
The URL parameter management tool helps Google ignore certain parameters that do not impact content, thus improving the crawling and indexing of priority pages....
John Mueller Dec 10, 2019
★★★ Does the URL Removal Tool really de-index your pages?
The URL Removal Tool does not de-index content but temporarily hides it from search results. It remains essential to manage 404s to stop crawling....
John Mueller Dec 10, 2019
★★★ Are tracking parameters in your URLs sabotaging your crawl budget?
Using tracking parameters in product URLs without a visible direct link to the canonical versions can affect crawl budget and lead to indexing of parameterized versions....
John Mueller Dec 10, 2019
★★★ Is it really necessary to return a 404 or 410 status to block the crawling of URLs on a hacked site?
To get Googlebot to stop crawling URLs on a hacked site, it is recommended to configure them to return a 404 or 410 status code. This allows Google to reduce the crawling frequency of these obsolete U...
John Mueller Dec 10, 2019
★★ Do you really need to manage two different HTTP codes for deindexing?
A 410 code informs Google that the content has been permanently removed, which can speed up its deindexing. However, the difference in effect compared to a 404 code is often minimal....
Martin Splitt Dec 10, 2019
★★★ Should you really limit Googlebot's crawl on your server?
Limit Googlebot's requests if your server is experiencing too many requests. This will help Googlebot prioritize crawling important URLs....
John Mueller Dec 10, 2019
★★ Should you opt for a 410 code instead of a 404 to speed up deindexing?
HTTP 410 responses inform Google that the page has been permanently deleted and can speed up its deindexing compared to a 404, although the practical difference is often minimal....
John Mueller Dec 10, 2019
★★★ Do hreflang tags really prevent canonicalization between identical regional content?
When identical content is present across regional English versions, a phenomenon of canonicalization may occur. Nevertheless, Google will display the correct version in search results if hreflang tags...
John Mueller Dec 10, 2019
★★★ Should you really return a 404 or 410 on hacked URLs to speed up their de-indexing?
To reduce the number of invalid URLs after an attack, return a 404 or 410 code. Googlebot will stop exploring them after determining they are no longer valuable....
John Mueller Dec 10, 2019
★★★ Is it true that Google displays a different URL than the one it canonizes internationally?
For international sites with similar content for different markets, it is common for Google to choose a canonical URL while still showing the appropriate URL through hreflang in search results....
John Mueller Dec 10, 2019
★★★ Are Cookie Interstitials Blocking Your Website's SEO Performance?
The same John Mueller indicated, also on Twitter, that the fact that a website displays interstitials showing legal texts (example: cookie acceptance) is not a problem as long as Google can read the c...
John Mueller Dec 09, 2019
★★★ Does duplicate content really dilute SEO value across multiple sites?
Using the same content across multiple sites dilutes the value of the content in Google's eyes, making each site less competitive. Duplicate content is not necessarily a penalty but rather a dilution ...
John Mueller Dec 06, 2019
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