What does Google say about SEO? /
Redirects represent a critical technical component of search engine optimization, especially during site migrations, redesigns, or URL structure changes. This category compiles all official Google statements regarding the implementation of various redirect types (301, 302, 307, 308) and their SEO implications. Understanding Google's stance on redirects is vital for preserving page authority and rankings during structural modifications. SEO practitioners will find valuable insights on PageRank transfer, Googlebot processing timeframes, best practices for avoiding redirect chains, and context-specific recommendations (HTTPS migrations, mobile versions, international content). Google has significantly evolved its redirect handling over the years, notably regarding temporary redirects that can now pass ranking signals under certain conditions. This official documentation enables optimization of migration strategies, minimizes organic traffic loss, and ensures smooth transitions during URL changes while adhering to the search engine's technical guidelines. Whether planning a domain migration, implementing HTTPS, or restructuring site architecture, these authoritative declarations provide the foundation for making informed decisions that protect search visibility and maintain hard-earned rankings throughout technical transformations.
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★★★ Should you really give up on redirections when migrating a domain?
If a redirect is not possible during a domain change, Google treats the new site as independent, requiring SEO reputation building from the ground up....
John Mueller Jul 01, 2016
★★★ Is it true that you can't redirect URL fragments in SEO?
Fragment URLs cannot be redirected with a server-side 301, but they can be managed with JavaScript redirections or rel=canonical to indicate the preferred version....
John Mueller Jun 28, 2016
★★★ Do 301 redirects really dilute the PageRank that's passed on?
There is no significant loss of PageRank with 301 redirects from one domain to another, though temporary ranking fluctuations may occur during the transition....
John Mueller Jun 28, 2016
★★★ Do 301 redirects really cause a loss of PageRank during a site migration?
During a site migration, using 301 redirects does not cause a significant loss of PageRank and is a recommended way to guide users and search engines to the new URLs....
John Mueller Jun 28, 2016
★★★ What really happens when you relaunch a site without redirects?
A site 'relaunch' without appropriate redirects from old pages to new ones can result in a significant drop in rankings, as Google will take time to rediscover and comprehend the new structure....
John Mueller Jun 16, 2016
★★★ Do 302 redirects really pass PageRank?
302 redirects usually pass PageRank to the target version, even though their correct use should be for temporary redirects. Always use rel='alternate' to establish equivalence between different langua...
John Mueller Jun 16, 2016
★★★ Do 301 redirects really cause a loss of PageRank?
301 redirects do not pose a problem for transferring PageRank as long as you keep redirect chains under five steps....
John Mueller Jun 14, 2016
★★★ Do 301 redirects really pass all link signals?
When redirecting one URL to another, Google attempts to transfer all signals from the old URL to the new one. However, the choice of canonical URL can influence which URL will actually receive the sig...
John Mueller Jun 03, 2016
★★★ How can changing your domain without redirects completely destroy your SEO?
Changing a domain without proper redirects is treated as a new site by Google. It is essential to ensure that you maintain control over your domain names to avoid loss of ranking....
John Mueller May 31, 2016
★★★ Could redirecting to the homepage during a redesign ruin your SEO efforts?
During a website redesign, redirect old URLs directly to their corresponding new URLs with a 301 status code, rather than to the homepage....
Google May 31, 2016
★★★ Google Cache vs Fetch as Google: Why Doesn’t Your Page Appear As You See It?
Google's cache likely displays the last indexed version of your page, while the Fetch as Google tool shows how Googlebot sees the page currently without following redirects....
Google May 31, 2016
★★★ How do redirect chains kill your site's crawl efficiency?
Limit redirect chains to fewer than 5 hops to avoid latency issues and ensure better crawling by search engines....
John Mueller May 20, 2016
★★★ Should you really register the HTTPS version in Search Console after a migration?
When migrating to HTTPS, it is essential to register the HTTPS version in Search Console, as only this version reflects current traffic data....
Google May 19, 2016
★★★ How does Google really handle domains with duplicate content?
When multiple domains have the same content, Google recognizes them as duplicates and chooses a preferred version to index. Using redirects is recommended to indicate the preferred version....
Google May 19, 2016
★★ Should you really prefer 301 redirects for a temporary site relocation?
For a temporary site relocation, such as six months, it's better to use 301 redirects rather than 302 to ensure that things move correctly and efficiently....
John Mueller May 17, 2016
★★★ HTTP vs HTTPS: Does Google really index both versions as duplicates?
Google treats the HTTP and HTTPS versions as duplicates and will choose a canonical version to display. Recommended actions include using rel canonical or redirects to indicate your preference....
John Mueller May 17, 2016
★★★ Could massive redirects to the homepage during a site merger be an SEO trap?
It is advisable to redirect old articles to the merged domain to maintain contextual continuity, but be cautious of massive redirects to the homepage that may be treated as soft 404s....
John Mueller May 06, 2016
★★★ Is it really necessary to have a separate sitemap for mobile-first indexing?
For mobile sites, you do not need to submit a separate sitemap. The canonical desktop URL must be indexed, and users are redirected to the appropriate mobile versions....
John Mueller May 06, 2016
★★★ Should you really worry about the www vs non-www redirect for SEO?
Conflicting signals regarding the preference for www or non-www can lead Google to choose one version to index, but this does not affect overall rankings....
John Mueller May 06, 2016
★★★ Do 302 redirects really transfer PageRank like 301s?
For permanent redirects, it is recommended to use a 301 redirect instead of a 302, as it is more appropriate. While 302 redirects do not indicate a permanent transfer of PageRank, Google understands t...
Google Apr 28, 2016
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