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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★★ Do chained 301 redirects really blow your crawl budget?
Multiple 301 redirects can prolong the crawl time of a page and affect the crawl budget on large sites. Fixing links to point directly to the final destination is a better use of crawl resources....
John Mueller Aug 09, 2019
★★★ Do excluded pages in the index really consume your crawl budget?
Excluded pages count towards the crawl budget, but they are crawled much less frequently than valid pages. If a site is nearing its crawl limit, important pages take priority....
John Mueller Aug 09, 2019
★★★ Should you really treat Googlebot like an American user?
You must treat Googlebot the same way as any other user in the same region. Googlebot mainly crawls from the United States. If your site is in Europe and blocks American users, you will also block Goo...
John Mueller Aug 09, 2019
★★★ How does Google really handle multiple sitemaps and their URL order?
Google treats each sitemap as a data source. The content is stored before actions are taken based on the natural order of URLs in each sitemap....
Google Aug 09, 2019
★★ How does Google really manage crawling for duplicate URLs pointing to different products?
Google is developing solutions to properly address identical URLs targeting different products, using unique meta-mechanisms for each item wherever possible....
Google Aug 09, 2019
★★ Is it true that Google removed the discovery of blocked resources in Search Console?
The old version of Google Search Console allowed for the discovery of blocked resources, a feature that has been removed as fewer sites face mobile issues related to resources blocked by robots.txt. H...
John Mueller Aug 09, 2019
★★ Why does Google crawl your pages without indexing them?
High-quality content makes exclusion after crawl unlikely. However, various causes beyond quality can explain a lack of indexing....
Google Aug 09, 2019
★★★ Is embedding Instagram images via iframe really undermining their SEO potential?
Embedding images via Instagram complicates their indexing, as Instagram utilizes iframes and no-image-index meta tags. This suggests a decrease in search image traffic for these....
John Mueller Aug 09, 2019
★★★ Does the mobile-friendly test really guarantee the indexing of your JavaScript?
If your content is visible in Google's mobile-friendly test, it is generally well indexed. However, the mobile-friendly test does not follow the robots.txt file. Use the URL inspection tool in Search ...
John Mueller Aug 09, 2019
★★★ Is the Search Console API misleading you about your indexed pages?
Since April, the Search Console API has had incorrect indexed count data. Be aware that this information should not be considered valid at this time....
John Mueller Aug 09, 2019
★★★ Does Googlebot really render pages like Chrome does?
Googlebot uses a recent version of Chrome, called an evergreen browser, to render web pages in a way that reflects what users would see on their own browsers....
John Mueller Aug 08, 2019
★★★ Is it really better to prioritize automatic URL discovery over sitemaps?
It's better to ensure that URLs are properly linked within the website so that Googlebot can discover them automatically, and possibly use a sitemap file to accelerate indexing....
John Mueller Aug 08, 2019
★★★ Are JavaScript redirects really equivalent to server-side 301s for Google?
Google supports JavaScript redirects and follows them similarly to server-side redirects. It is recommended to submit the exact URL you want indexed rather than the one that redirects....
John Mueller Aug 08, 2019
★★★ Does Google Really Treat Redirect Loops as 404 Errors?
John Mueller explained on Twitter that Google ignores links that generate redirect loops (example: URL A redirects to URL B, which itself redirects to URL A, thus creating an infinite loop). These URL...
John Mueller Jul 29, 2019
★★★ Does mobile-first indexing really penalize your desktop version?
With mobile-first indexing, Google will index the content seen on the mobile version of the site. If some information is only available on the desktop version, it will be included in the indexing, pot...
John Mueller Jul 26, 2019
★★★ Is it really necessary to optimize canonical URLs to enhance crawl budget?
To improve crawling efficiency, ensure that canonical URLs are correctly defined, including through redirects, canonical tags, and updating sitemaps to avoid duplication....
John Mueller Jul 26, 2019
★★★ Is it true that image lazy loading is really compatible with Google's indexing?
Using JSON or jQuery for image lazy loading can work with Google as long as the setup allows Googlebot to load images during rendering. Testing with the mobile compatibility tool can be helpful to ver...
John Mueller Jul 26, 2019
★★★ Does Google really filter your pages for duplicate content like you think?
Google views identical blocks of text on different pages as duplicate content. For searches that include this content, Google will select a few sites to display while filtering those with identical te...
John Mueller Jul 26, 2019
★★★ Are alt texts really as flexible as Google claims?
Google recommends using descriptive and contextually relevant alt texts for images, without forcing irrelevant keywords, for accessibility and image indexing....
John Mueller Jul 23, 2019
★★★ Should you really delete or no-index your low-quality content?
If a site contains low-quality content, there are three options: improve the content, delete it entirely, or no-index it so that Google does not see it....
John Mueller Jul 23, 2019
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