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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★★★ Why doesn't Google automatically index your site?
Websites (Google Sites or others) are not automatically indexed. You need to make your site discoverable to search engines, particularly by obtaining links from other sites. Submission via Search Cons...
Google Nov 30, 2023
★★★ How is Mobile-First Indexing reshaping SEO strategies?
The deployment of Mobile-First Indexing (MFI) is now completely finished. Google continues to crawl some non-mobile-friendly sites with the desktop Googlebot, but this practice will gradually be minim...
Google Nov 30, 2023
★★★ Why do server errors 5xx create issues for crawling and indexing?
<p>Server errors 5xx and 429 indicate to Googlebot to temporarily slow down its crawling pace. Already indexed URLs remain in the index, but will ultimately be removed if the errors continue. The numb...
Google Nov 30, 2023
★★ Is Google Planning to Phase Out the Robots.txt File?
Alexis Rylko (who frequently contributes to Réacteur) noticed that Google had removed its Robots.txt help page from its documentation, and wondered whether robots.txt was going to be discontinued soon...
John Mueller Nov 28, 2023
★★★ Should you really treat all crawl errors the same way?
For crawl errors: 404 errors can generally be ignored if the URL shouldn't serve content. Conversely, 500 errors must absolutely be checked because they indicate server problems that affect crawling....
Gary Illyes Nov 21, 2023
★★★ Is technical SEO really still essential for search rankings?
Technical SEO aspects are always very important. If Googlebot cannot access the site, if rendering fails severely, or if there are no words/tokens on the page, Google cannot do much for you....
Gary Illyes Nov 21, 2023
★★ Does duplicate content really always come from exact copy-paste?
The vast majority of canonicalization issues stem from content duplicated exactly word-for-word. This can be caused by incorrect site configuration, for example failing to return a 404 when a random U...
Gary Illyes Nov 21, 2023
★★★ Does Google really prioritize your homepage first when it comes to crawling and indexing?
For Google, the homepage is the most important page on your site. It's the page users land on when they type your domain name directly. Google will try very hard to crawl and index this page. If it's ...
Gary Illyes Nov 21, 2023
★★★ Should you really split your large sitemaps into multiple files?
If your site exceeds the limits of a single sitemap, split it into multiple files. This approach is also useful for debugging issues because problematic URLs can be isolated in a single sitemap....
Martin Splitt Nov 16, 2023
★★★ Do you really need a sitemap to get indexed by Google?
Not all websites need a sitemap. You should consult Google's documentation to determine if your site actually needs one....
Martin Splitt Nov 16, 2023
★★ What content types should you really include in your sitemaps?
Sitemaps can include different types of web pages: articles, videos, images, or any other type of web page intended to appear in search results....
Martin Splitt Nov 16, 2023
★★★ What are the real technical limits of XML sitemap files that can kill your SEO visibility?
XML sitemap files have strict limits: 50 megabytes maximum or 50,000 URLs maximum in a single file....
Martin Splitt Nov 16, 2023
★★★ Does an XML sitemap really accelerate Googlebot's crawling of your website?
An XML format sitemap can help search engines discover your site's pages faster and enables more efficient site exploration, particularly for sites with many pages....
Martin Splitt Nov 16, 2023
★★ Should you really submit every single URL from your sitemap to Google?
Before dividing a large sitemap, ask yourself if you really need all those URLs in the sitemap and what the probability is that they will all be indexed....
Martin Splitt Nov 16, 2023
★★★ Should you really limit lastmod updates in your XML sitemaps?
The lastmod attribute should only be modified when significant changes occur on a page. If modified too often without reason, crawl scheduling will treat these entries as useless and risk ignoring the...
Martin Splitt Nov 16, 2023
★★★ Should you really be excluding non-canonical URLs from your XML sitemap?
Sitemaps must contain only canonical and indexable URLs, meaning those that should appear in search results. URLs that redirect elsewhere or are marked as noindex provide little value in the sitemap....
Martin Splitt Nov 16, 2023
★★ Are sitemaps really enough to guarantee optimal discovery of your pages by Google?
Sitemaps are tools that allow Google Search to discover pages on a website. They are particularly useful for helping Google find pages faster and more efficiently....
Martin Splitt Nov 13, 2023
★★ What are the three specific ways to configure your sitemap for maximum Google indexation?
There are three specific tips for properly configuring sitemaps. Appropriate sitemap configuration optimizes page discovery and indexing by Google Search....
Martin Splitt Nov 13, 2023
★★ Are sitemaps really only beneficial for very large websites?
Sitemaps are very useful for owners of very large websites who want Google Search to discover their pages faster. Proper sitemap configuration improves the speed of content discovery....
Martin Splitt Nov 13, 2023
★★★ Why isn't Google showing your updated content in search results—and how do you fix it?
If search results aren't displaying updated information, Search Console helps you understand how Google Search crawls, discovers, and refreshes your content, and identifies any problems encountered du...
Martin Splitt Nov 09, 2023
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