What does Google say about SEO? /
Domain names represent a foundational element of any SEO strategy, and Google's official statements on this topic provide essential clarifications for search engine optimization professionals. This category compiles all of Google's positions regarding the impact of domain choices on rankings: the influence of extensions (generic vs geographic TLDs), the use of subdomains versus subdirectories, the relevance of exact match domains (EMD), and technical questions related to URL structures. Google has regularly clarified its stance on these aspects, particularly concerning the relative importance of domain names in the ranking algorithm. Understanding these declarations helps dispel persistent misconceptions, such as overvaluing keywords in domains or myths surrounding certain extensions. Official recommendations also cover domain migrations, the use of the www prefix, trailing slash management, and optimal URL architecture. For SEO experts, this information proves crucial when launching new projects, undertaking redesigns, or developing international strategies, enabling informed decisions based on verified facts rather than assumptions. These insights directly impact technical SEO implementation and help align domain strategy with Google's actual ranking factors and best practices for sustainable organic visibility.
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★★★ Is it true that Google is massively ignoring product aggregation sites?
A large product aggregator website is facing an indexing anomaly. Googlebot has crawled the site 1.17 million times in just a few weeks. Only 4 pages are indexed out of a total of 180,000, and even th...
John Mueller Oct 06, 2026
★★★ Is it really necessary to stick to 50,000 URLs per sitemap?
Each sitemap file can contain up to 50,000 URLs and has a size limit of around megabytes. Files can be compressed, but the size limit concerns the uncompressed version....
John Mueller Oct 01, 2026
★★★ Do sitemaps really influence Google's choice of the canonical URL?
Google uses sitemaps to help choose the canonical version of a URL. If a URL is listed in a sitemap, it increases the chances that Google will select it as the canonical version....
John Mueller Oct 01, 2026
★★ Why does Google deindex your pages due to errors served with HTTP 200?
A business and supplier site has seen its pages deindexed by Google. The search engine has chosen a third-party online betting site as the canonical URL, with no apparent content relation. Live testin...
John Mueller Sep 29, 2026
★★★ Is it true that programmatic SEO is incompatible with quality content?
In a response published on Bluesky, John Mueller warns against programmatic SEO. According to him, this practice can lead the site to be perceived as spam or nearly so, or of low quality. To recall, p...
John Mueller Sep 08, 2026
★★★ Why does Google show hreflang URLs marked as ‘not indexed’ in search results?
Gary Illyes (Google) clarified how alternative hreflang URLs work during canonicalization, following a question posed on LinkedIn by Faiez Javaid. The initial question was: If Google selects a single ...
Gary Illyes Aug 18, 2026
★★★ Should you really block internal search result pages with robots.txt?
It is advised to block internal search result pages with a robots.txt file to prevent an infinite number of crawlable URLs by Google....
John Mueller Jul 30, 2026
★★★ Are Internal Search Results Draining Your Crawl Budget?
Internal search results pages can lead Googlebot to crawl an infinite number of URLs, wasting the site's crawl budget and potentially overloading your server....
John Mueller Jul 30, 2026
★★★ Why does Google ignore your robots.txt rules even when they explicitly disallow access?
A Reddit user was managing a Shopify client whose internal search bar was being exploited by spam: spammer requests were generating search result URLs pointing to third-party sites. The client had blo...
John Mueller Jul 28, 2026
★★ Should you really block AI crawlers in your robots.txt?
John Mueller stated on Reddit that the "Content Signals" directive in robots.txt, created by Cloudflare last year, has "no effect" on crawlers or LLMs. According to him, it only adds unnecessary weigh...
John Mueller Jul 14, 2026
★★★ Do Hidden URLs in AI Overviews Count as GSC Impressions?
On X, John Mueller confirmed that URLs behind the 'See more' tabs in AI Overviews do not register any impressions unless clicked....
John Mueller Jul 07, 2026
★★★ Should you use localized subdirectories to boost your international SEO?
According to John Mueller, choosing between a generic folder structure (e.g., /blog/) or a localized one (e.g., /en-us/blog/) to target the U.S. market (or another market) makes no practical differenc...
John Mueller Jun 23, 2026
★★★ Is it really necessary to split your XML sitemap into multiple files?
Some SEO experts choose to split their XML sitemap into several categories based on their site structure. In a Reddit discussion, John Mueller shared the reasons he has observed over the years: Tracki...
John Mueller May 26, 2026
★★ Is the massive deindexing on Google Search real or just a bug in the Search Console?
Since the beginning of April, many SEO professionals and website owners have reported an acceleration in the deindexing of their pages by Google. Pedro Dias (former Googler) and other specialists note...
John Mueller May 05, 2026
★★★ Could a domain name similar to a competitor harm your SEO?
A webmaster was concerned about having a domain very close to another (only one letter difference). John Mueller responds that this is generally not an issue for SEO in itself. The only real risk iden...
John Mueller Apr 21, 2026
★★★ Should you really avoid using unique canonicals on multi-page e-commerce sites?
On LinkedIn, Rowan Collins, SEO Consultant, exchanged with John Mueller on a specific point about e-commerce structured data. For a multi-page site, each product variant with its own URL should not be...
John Mueller Mar 31, 2026
★★ Does Google really block 40 billion spam URLs daily—and how does your site avoid the filter?
Google processes and blocks approximately 40 billion spam URLs per day, which illustrates the scale of the spam problem on the internet and the challenges search engines face in combating it....
Martin Splitt Mar 30, 2026
★★★ Does Googlebot really stop at 15 MB per URL?
By default, Googlebot retrieves 15 megabytes of raw content per URL, then stops. This limit applies per URL: if your HTML references other resources, each of them has its own 15 MB limit....
Martin Splitt Mar 30, 2026
★ Is Google really processing 40 billion spam URLs every single day?
Google detects and processes billions of spam URLs every day. The exact figure mentioned on Google's official blog reaches 40 billion URLs per day....
Martin Splitt Mar 30, 2026
★★★ Does the 15 MB Googlebot crawl limit really kill your indexation, and how can you fix it?
Googlebot retrieves a default of 15 megabytes of raw content (raw bytes) per URL, then stops. This 15 MB limit applies to each URL individually: if your HTML references other resources, each one has i...
Martin Splitt Mar 30, 2026
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