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 block URL parameters in robots.txt to improve indexing?
If a site produces many URLs via parameters, and these parameters cause indexing issues, using the robots.txt file to block these parts can be advantageous....
John Mueller Mar 08, 2016
★★★ Why do your traffic data disappear after migrating to HTTPS?
When a site migrates to HTTPS, data no longer appears in Search Console unless the HTTPS site is also verified. Search Console treats the HTTPS migration as a domain change....
John Mueller Mar 08, 2016
★★ Can a CDN really harm your site's geographic targeting?
Using a CDN does not affect geographic targeting if a site employs a country-specific top-level domain or defines geographic targeting in Google's Search Console....
John Mueller Mar 08, 2016
★★★ Is it really necessary to have a separate URL for each language to avoid multilingual duplicate content issues?
Use separate URLs for each language of your site so Google can better understand and accurately index multilingual content....
John Mueller Feb 26, 2016
★★★ Do 301 and 302 redirects really affect PageRank?
Both 301 and 302 are primarily used to redirect users. The preference is to determine which URL Google should index, but this does not directly degrade PageRank. It is important to use consistent sign...
John Mueller Feb 26, 2016
★★★ Can you migrate between a domain and a subdomain without risking your SEO?
You can move a site between domains and subdomains without negatively impacting your SEO. Google understands the site's structure and will recognize whether it is a single site or multiple sites. Just...
John Mueller Feb 26, 2016
★★★ Should you really worry about explicit ports in your URLs?
Google considers URLs with port :80 equivalent to those without it, as :80 is the default port for HTTP. For HTTPS, the default port is 443....
John Mueller Feb 23, 2016
★★★ Does a 302 redirect really dilute PageRank?
302 redirects allow PageRank to be maintained on the destination URL or the source URL, but they enforce the indexing of the final content visible after the redirect....
John Mueller Feb 12, 2016
★★★ Does infinite scrolling really kill your content's indexation?
For pages with infinite scrolling, it is important to have direct links to the content through unique URLs. Googlebot does not trigger scrolling events, so items depending on these risks not being ind...
John Mueller Jan 29, 2016
★★ Could your mobile URLs be sabotaging your SEO indexing?
When adapting mobile sites, it's advisable to use clean and distinctive URLs for each content section, especially with single-page applications....
John Mueller Jan 29, 2016
★★★ Are Single Page Applications Really Compatible with Good Google SEO?
Single page applications (SPAs) can be effective for good SEO if they use unique URLs and if the content loads correctly for users and Googlebot....
John Mueller Jan 29, 2016
★★★ Can you really use noindex and canonical on the same page?
Google considers the simultaneous use of 'noindex' and 'canonical' tags on the same page to be contradictory. If you want a page not to be indexed, use 'noindex' alone. The canonical tag sends the pag...
Google Jan 28, 2016
★★★ Does Google truly index your dynamically loaded content with JavaScript?
Google generally handles content loaded via JavaScript quite well as long as it is not blocked by robots.txt. This content should be visible in the URL inspection tool of Search Console. It is advisab...
Google Jan 28, 2016
★★★ Short URLs or Long URLs: Does Google really have a preference for what's shown in the SERPs?
Google prefers short URLs when there are duplicates with the same semantic relevance. This is not a ranking factor but can influence the selection of which URL is displayed in search results....
John Mueller Jan 26, 2016
★★★ Why does a domain redirect bring your traffic crashing down for months?
When you redirect one domain to another, for instance, changing a .ca to a subfolder of a .com, this is considered a site merger. Rankings may fluctuate for some time as Google understands the new sit...
John Mueller Jan 26, 2016
★★★ Are PPC parameters in your backlinks really neutral for your SEO?
If your site receives links with PPC parameters, Google will attempt to crawl them. If a canonical URL is found, these links will be treated as pointing to the canonical URL....
John Mueller Jan 26, 2016
★★★ Subdomains or subdirectories: Which URL structure should you choose for effective geographical targeting?
For geographical targeting, Google recommends a clear organization of URLs. You can use subdomains, top-level domains, or subdirectories on a gTLD. The important thing is that the URLs are clearly gro...
John Mueller Jan 26, 2016
★★ Can your hosting IP address hurt your SEO performance?
The fact that multiple sites share the same C block of IP addresses is not a problem for Google SEO. There is no need to artificially diversify IP addresses....
John Mueller Jan 26, 2016
★★★ Should you really reduce the number of crawlable URLs even if they are marked noindex?
If your site generates a large number of new URLs, you should consider optimizing crawlability by reducing those unique URLs, even if they are primarily noindexed. This can help avoid unnecessary load...
John Mueller Jan 26, 2016
★★★ Are your mobile-to-desktop redirects silently damaging your SEO?
An incorrect redirect involves any redirect that does not lead to an m-dot or www equivalent when dealing with a site structure featuring both versions. This includes redirects that change from the ho...
Google Jan 21, 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.