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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★★★ What triggers the same signals as a complete site move when migrating to HTTPS?
Moving from HTTP to HTTPS requires redirecting all users to the HTTPS version via server-side 301 redirects. Google considers this a site migration with a change of URL....
John Mueller Sep 01, 2020
★★★ Should You Include Category Pages in Your XML Sitemap?
In response to a tweet asking whether category page URLs - article or product listing pages - should be included in the XML Sitemap, Fabrice Canel (Bing) answered yes, this file should include all URL...
Google Aug 31, 2020
★★ Should you really leave the robots.txt file unchanged during an SEO migration?
Do not change the configuration of the robots.txt file during a migration. If certain URLs were blocked by robots.txt for good reasons before the migration, they must remain blocked after the migratio...
Martin Splitt Aug 27, 2020
★★★ Does a domain's purchase history truly hinder an SEO migration?
The history of a domain plays a limited role in a migration. If a purchased domain has been used for spam, it is essential to clean up existing issues, possibly use the disavow file, wait for Google t...
Martin Splitt Aug 27, 2020
★★★ Does migrating to a new domain really erase SEO penalties and bad signals?
Migrating to a new domain to evade low-quality content or spammy links does not work. Google continually evaluates content, and low-quality material remains poor regardless of where it’s moved. Some s...
Martin Splitt Aug 27, 2020
★★★ Should you really roll back after a site migration fails?
Before contemplating a rollback, it’s essential to diagnose the cause of the issue (missing redirects, crawl problems, technical errors). If after a month no improvement is observed, no explanation is...
Martin Splitt Aug 27, 2020
★★★ Does a domain migration really lead to traffic loss?
A well-executed domain migration does not necessarily result in overall traffic loss. If you simply copy the entire URL structure and content to a new domain, traffic will decrease on the old one and ...
Martin Splitt Aug 27, 2020
★★★ Should you really avoid changing everything at once during an SEO migration?
You shouldn't take advantage of a migration to simultaneously change multiple elements (URL structure, technology, content). Modifying all variables at the same time makes it impossible to identify th...
Martin Splitt Aug 27, 2020
★★★ How does Google really transfer signals during a domain migration?
When Google crawls the old site and detects the redirects, it checks that the new site is a one-to-one copy of the old one. If that's the case, signals from the old domain are transferred to the new d...
Martin Splitt Aug 27, 2020
★★★ Should you really redirect all images during a site migration?
It is essential to implement 301 redirects for all images during a site migration. Visual content is very important for SEO. Since refreshing in the image index takes time, you should monitor the serv...
Martin Splitt Aug 27, 2020
★★★ How Does Google Actually Determine the Canonical URL of Your Pages?
John Mueller provided on Twitter a list of criteria that Google takes into account to define what the canonical URL of a page is (and therefore its "canonicalization"): redirects, internal links, exte...
John Mueller Aug 24, 2020
★★★ Does the Mobile First Index Really Apply Automatically to New Websites?
Google indicated in May 2019 that starting from July 1st of that same year, all new sites discovered by the search engine's crawlers would automatically be integrated into the Mobile First Index. John...
John Mueller Aug 24, 2020
★★★ Should You Really Optimize Keywords in URLs to Improve Your SEO?
John Mueller explained on Twitter that keywords present in the URL carry low weight in the search engine's algorithm....
John Mueller Aug 24, 2020
★★★ Does nofollow really block indexing, or can Google still crawl those URLs?
Google can now follow nofollow links to discover new URLs and potentially index them. However, the passing of PageRank and ranking signals through nofollow remains independent and is not guaranteed: j...
John Mueller Aug 21, 2020
★★★ Why does Google ignore identical modification dates in your sitemaps?
If all URLs in a sitemap have the same modification date (for example, today's date), Google completely ignores this lastmod field and uses the sitemap only to discover new URLs, not to prioritize re-...
John Mueller Aug 21, 2020
★★ Are sitemaps really essential for Google indexing?
Google discovers new URLs through various means: internal links, RSS feeds, tweets, public mailing lists, external links. The sitemap is not the only source. Google does not guess URLs; it must find t...
John Mueller Aug 21, 2020
★★★ Is it really necessary to optimize the first link on a page for SEO?
Contrary to the common belief that only the first link matters, Google can take multiple links pointing to the same URL on a page into account and combine their anchor signals. There is no need to man...
John Mueller Aug 21, 2020
★★★ Should you still fill in the priority and changefreq attributes in your XML sitemaps?
Google does not use the priority or changefreq attributes in sitemap files. Only the URL and the lastmod date are taken into account. Priority has been ignored because websites filled it out in a non-...
John Mueller Aug 21, 2020
★★ Can Google really treat URL changes made by JavaScript and the History API as redirects?
When JavaScript uses the History API to modify the URL after loading (e.g., simplifying parameters), Google may interpret this as a redirect to the new URL and choose it as canonical. This can be veri...
John Mueller Aug 21, 2020
★★★ Does rel=canonical really protect your syndicated content from ranking theft?
When syndicating an article with rel=canonical, two outcomes are possible: either Google indexes both pages separately (risking the syndicator ranking better), or Google chooses a unique canonical. Th...
John Mueller Aug 21, 2020
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