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.
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
★★★ Should you really remove all soft 404 error URLs from your sitemap?
URLs marked as soft 404s should not be included in the XML sitemap file, as this file is intended for URLs that you want to index....
John Mueller Sep 06, 2016
★★★ Domain Authority and Page Authority: Why Does Google Dismiss These Key SEO Metrics?
The terms 'Domain Authority' and 'Page Authority' are not metrics used or recognized by Google. They are indicators created by external tools and are not part of Google's ranking factors....
Google Sep 01, 2016
★★★ Do 301 redirects really transfer PageRank without any loss?
301 redirects transfer PageRank, and URL changes can cause temporary fluctuations in ranking, but in the long term, rankings should stabilize....
John Mueller Aug 26, 2016
★★★ Should you allow Google to crawl URLs you don't want indexed?
If a link points to a URL blocked by robots.txt, Google won't be able to see the content, but it will understand the link's context. This can lead to indexing the URL without the content....
John Mueller Aug 26, 2016
★★★ Are PWAs really indexable by Google, or will the # ruin everything?
The functionality of PWAs is based on HTML, CSS, and JavaScript. It represents an immersive native method for user engagement similar to a mobile application. Since PWAs use standard web technologies,...
Google Aug 18, 2016
★★★ Can a penalized domain name regain its positions on Google?
There is no 'permanent' penalty against a domain name. Past issues can be resolved, and rankings can improve over time....
John Mueller Aug 12, 2016
★★★ Should you really create different content during a domain migration to avoid penalties?
In the case of a domain migration, if a site's content is simply duplicated on the new domain, Google will detect the similarity and may transfer some signals, including negative ones, between the two...
John Mueller Aug 11, 2016
★★★ How does Google really decide which URL to index when multiple versions of the same page exist?
If the same page is available through multiple URLs, several signals such as redirects, canonical tags, and the use of sitemaps can help Google choose a preferred URL to index....
John Mueller Aug 11, 2016
★★★ Is it true that a 301 redirect to the old domain is necessary to regain indexing?
A 301 redirect from a new domain to an old version essentially reinstates the previous state of the site in terms of indexing. It will not solve issues related to content perceived as similar or dupli...
John Mueller Aug 11, 2016
★★★ What really happens to your hreflang if a URL encounters a 404 error?
If a hreflang URL is inaccessible during crawling, it is simply removed from the associated set of pages without breaking the overall hreflang logic for other pages....
John Mueller Aug 09, 2016
★★★ Should you really fix all crawl errors in Search Console?
Not all crawl errors in Search Console need to be fixed. They are a tool to alert you if you think a URL should work. If the URL was never meant to exist, the error is valid....
John Mueller Aug 09, 2016
★★★ Should you disavow spammy TLDs, or is Google already handling it?
Top-level domains used for spam are often ignored by Google's algorithms. Generally, it is not necessary to disavow TLDs as a whole, as this might impact legitimate sites....
John Mueller Aug 09, 2016
★★★ How can you successfully migrate a website without losing your SEO rankings?
During a website migration, link new URLs through redirects and canonical tags, register them separately in Search Console, and consider migrating to HTTPS at the time of migration instead of deferrin...
John Mueller Aug 09, 2016
★★★ Should you really host your SEO blog on a subdomain instead of the main site?
It is possible to create a blog on a subdomain if technical reasons prevent its direct integration into the main site. This is acceptable and not considered spam if it is clearly associated with the m...
John Mueller Jul 29, 2016
★★ Do 3xx Redirections Really Cause a Loss of PageRank?
3xx redirections do not reduce the SEO value passed to new URLs. This applies to redirections, whether they are old or new....
John Mueller Jul 29, 2016
★★★ Why does your indexed page count never match your total URLs?
It is normal for the number of indexed URLs not to always match the total number of pages on a site. A substantial difference may indicate issues with duplication or mismanaged parameterized URLs....
John Mueller Jul 29, 2016
★★★ Should you submit a temporary sitemap with old and new URLs during a migration?
During a site migration or massive redirections, it is advisable to submit a temporary XML Sitemap with both old and new URLs dated recently to facilitate Google’s recrawl....
John Mueller Jul 29, 2016
★★★ Should you really use rel=canonical during an A/B test?
During A/B testing, use rel=canonical to indicate the preferred URL version. It may take time for Google to index the correct versions, but generally, this isn’t a problem....
John Mueller Jul 29, 2016
★★★ How does PageRank actually get passed through redirects?
PageRank is transmitted between the original URL and the final destination during redirects. Chain redirects are not ideal as they increase latency and complexity. Google tracks up to five consecutive...
John Mueller Jul 29, 2016
★★★ Is responsive design really the only viable option for optimizing a mobile site for SEO?
For the creation of mobile sites, Google recommends responsive design, as it is generally simpler and less prone to errors compared to creating mobile subdomains....
John Mueller Jul 28, 2016
🔔

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.