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.
Quick SEO Quiz

Test your SEO knowledge in 5 questions

Less than a minute. Find out how much you really know about Google search.

🕒 ~1 min 🎯 5 questions
★★★ Does Google really limit deindexing to just two methods, or are there hidden alternatives?
There are really only a handful of ways to deindex URLs: remove the page and serve a 404, 410, or similar code, or add a noindex rule to pages and allow Googlebot to crawl those pages....
Google Dec 29, 2022
★★ Do you really need to add paginated pages to your XML sitemap?
You can include paginated pages in an XML sitemap, but if each category page has a link to the next page, there may not be much advantage. Google will discover the following pages automatically....
Google Dec 29, 2022
★★★ Can blocking a redirect page with robots.txt really stop PageRank from passing through?
If the goal is to prevent signals from passing through a link, it is acceptable to use a redirect page blocked by robots.txt to prevent PageRank flow....
John Mueller Dec 29, 2022
★★★ Can backlinks to a 404 page really be recovered, or are they permanently lost?
As soon as a page comes back online after being in 404 status, links to that page will be counted again once the linking pages have been recrawled and the links have been deemed still relevant by the ...
Google Dec 29, 2022
★★ Can Google really crawl links in dropdown menus on hover?
Google can follow links in a menu that appears on mouse hover. The menu must remain visible in the HTML and the links must be crawlable, meaning they must be A tags with an HREF attribute....
Lizzi Sassman Dec 29, 2022
★★★ Do XML Sitemaps Really Guarantee Your Pages Will Be Indexed by Google?
Gary Illyes explained on LinkedIn that XML Sitemaps provide clues to Google about submitted URLs, but that this does not provide a guarantee of indexing for these pages......
Gary Illyes Dec 27, 2022
★★ Can you really rank on Google without HTTPS and fast page speed?
Although it is recommended to have a fast site and operate in HTTPS, these elements are not absolute requirements to appear in Google search results. They are part of important best practices but thei...
Gary Illyes Dec 22, 2022
★★ Is Googlebot accessibility really a binary condition for indexation?
Making your site accessible to Googlebot is one of three absolute technical requirements to be indexed. It's not something you can 'violate' in the strict sense, it's simply a binary condition: either...
Gary Illyes Dec 22, 2022
★★★ Did Google really hide a 15 MB indexing limit from everyone for 15 years?
Googlebot has always had a technical limit of 15 megabytes for page indexing. This limit has existed for approximately 15 years, but was not publicly documented. The recent addition to the documentati...
Gary Illyes Dec 22, 2022
★★★ Should You Block Crawling in Robots.txt to Quickly Deindex a Site?
John Mueller indicated on Reddit that simply blocking crawling of a site via robots.txt (Disallow: / directive) is not the fastest solution for deindexing a site: "Even if you block all crawling, it w...
John Mueller Dec 19, 2022
★★★ Can a 5xx Error on Your robots.txt Really Make Your Entire Site Disappear from Google?
Gary Illyes explained on LinkedIn that if your robots.txt file returns a 5xx code (such as 500 or 503) for a certain period of time, this can have a disastrous consequence with the eventual removal of...
Gary Illyes Dec 19, 2022
★★★ Why doesn't Google consider a single site's ranking drop as a system-wide incident?
An incident affects many sites simultaneously and requires action from Google. If a single site loses its ranking, it's generally not an incident but a site-specific problem (such as a noindex tag add...
Gary Illyes Dec 14, 2022
★★★ Which incidents does Google officially communicate on its status dashboard?
The dashboard covers major incidents affecting three main systems: crawling, indexing, and serving. For example, if Googlebot cannot crawl the entirety of the Internet, or if Google.com becomes inacce...
Gary Illyes Dec 14, 2022
★★★ Is Googlebot really crawling your website from multiple countries?
Googlebot can crawl websites from different geographical locations, which can produce different results if your content is geolocation-dependent. It's important to check IP addresses in your logs to i...
Martin Splitt Dec 13, 2022
★★★ Is Googlebot really flagging soft 404s on your empty geolocalized pages?
When Googlebot crawls from different geographic locations and finds pages with no content for that region (e.g., no local inventory), it may treat them as soft 404s, even if the page functions normall...
Martin Splitt Dec 13, 2022
★★★ Does Google really consider showing default national content as cloaking?
If you cannot determine a user's location or if you don't have content for their region, displaying default national content for all users (including Googlebot) is not considered cloaking....
Martin Splitt Dec 13, 2022
★★ Is log file analysis really the game-changer that large-scale sites are overlooking?
Log file analysis is extremely valuable, particularly for sites with several million pages, because it allows you to understand what Google actually crawls, what it doesn't crawl, and where it encount...
Martin Splitt Dec 13, 2022
★★★ Is geolocation-based cloaking really acceptable to Google?
Cloaking is specifically defined as the act of deceiving the user. Showing different content based on geolocation is not cloaking as long as the user experience remains consistent with their expectati...
Martin Splitt Dec 13, 2022
★★★ Should You Really Abandon HTML Sitemaps for Users?
John Mueller, on Mastodon this time, explained that, in his opinion, HTML Sitemaps or site maps for users should never be necessary: "Sites, small and large, should always have a clear navigation stru...
John Mueller Dec 12, 2022
★★ Can AI-Modified Scraped Content Really Slip Past Google's Spam Filters?
Duy Nguyen, another SEO spokesperson for Google, in the same hangout as above, responded to a question about texts scraped from the Web then modified using artificial intelligence algorithms before be...
Google Dec 05, 2022
🔔

Get real-time analysis of the latest Google SEO declarations

Be the first to know every time a new official Google statement drops — with full expert analysis.

No spam. Unsubscribe in one click.