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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★★★ Why isn't Googlebot properly indexing your mobile pages?
Frequent errors include content blocked by robots.txt, faulty redirects, and unreadable content. Googlebot must be treated like a normal user to avoid these issues....
Google Dec 17, 2014
★★★ Is Responsive Design really the only mobile-friendly method recommended by Google?
Google recommends Responsive Web Design for creating mobile-friendly sites, as it uses the same URL and HTML, thus simplifying management. This avoids issues with redirects and user-agent detection....
Google Dec 17, 2014
★★★ Should you really use 404 errors instead of redirecting expired content to a category?
Redirecting expired pages to the category page is treated as a soft 404 by Google. This does not provide any advantages and increases crawl time because Google revalidates the redirects. It is prefera...
John Mueller Dec 16, 2014
★★★ Do cascading 301 redirects really hurt your ranking?
A large number of 301 redirects does not affect website ranking. Ensure you redirect directly to the final page to avoid chain redirects that slow down processing by Google....
John Mueller Dec 16, 2014
★★★ Should you really declare an address change in Search Console when migrating to HTTPS?
When transitioning to HTTPS, you need to add the HTTPS version of the site in Google Webmaster Tools. An address change is not necessary for this type of migration....
John Mueller Dec 16, 2014
★★★ Why does Google treat rel=canonical and 301 redirects differently?
Rel=canonical tags are not strictly equivalent to 301 redirects. With a 301 redirect, signal transmission is direct, whereas with rel=canonical, Google must first index the page to see the tag and the...
John Mueller Dec 16, 2014
★★★ Why do your mobile redirects damage your SEO without you realizing it?
Do not redirect all mobile users to the default mobile homepage. Ensure that redirects are accurate and lead to the appropriate content to avoid a poor user experience....
Google Dec 04, 2014
★★★ Should you transfer your disavow file during a domain migration?
When a site is redirected to a new domain via a 301 redirect, it is advisable to also transfer the disavow file from the original domain to the new domain to ensure that disavowed links are correctly ...
John Mueller Dec 02, 2014
★★★ How do 301 redirects really eliminate duplicate content from Google's index?
If you have older and newer versions of a page, a 301 redirect from the old page to the new page will help Google update its index and prevent the old version from being visible in search results....
Google Nov 27, 2014
★★★ Why does Google keep emphasizing direct 301 redirects during migrations?
During a URL migration, it is advisable to use a clear direct 301 redirect from the old URL to the new one. This facilitates recognition of the change by Google and speeds up index updates....
John Mueller Nov 21, 2014
★★ Does migrating to HTTPS really affect your site's ranking?
Google recommends migrating to HTTPS while ensuring that the migration is properly implemented, as in most cases, no significant drop in ranking should be observed if the migration is executed correct...
John Mueller Nov 17, 2014
★★★ Why does Google use two distinct bots for crawling mobile sites?
Google utilizes two distinct bots to crawl mobile sites: one for smartphones and another for feature phones. This allows content to be appropriately rendered according to the technical capabilities of...
Google Nov 17, 2014
★★★ Do 301 redirects really transfer manual penalties between sites?
301 redirects from a penalized site to another site do not transfer the penalty if they are recognized by Google's algorithms as manipulations....
John Mueller Nov 07, 2014
★★ Are websites on the same IP selling the same products penalized for duplicate content?
If two completely different companies sell the same products and are on the same IP address and the same host, Google does not consider them duplicate sites. Changes in IP during migrations or the use...
John Mueller Nov 03, 2014
★★★ Is migrating to HTTPS really risk-free for your SEO?
A migration from HTTP to HTTPS on a standard site should have absolutely no negative impact on rankings. Google is investigating reported anecdotal cases to identify potential edge issues....
John Mueller Nov 03, 2014
★★★ Is switching from HTTP to HTTPS really risk-free for your rankings?
According to discussions with engineers, switching from HTTP to HTTPS with a standard site should have absolutely no negative effects. Google is examining the reported edge cases where webmasters expe...
John Mueller Nov 03, 2014
★★★ Can a HTTPS migration really happen without any ranking loss?
A correctly performed HTTP to HTTPS migration should not have any negative impact on ranking. If significant losses are observed, other causes should be investigated or reported to Google for analysis...
John Mueller Nov 03, 2014
★★ Is it necessary to complicate the technical management of affiliate links?
For affiliate links, a simple rel=nofollow attribute is sufficient. Google removes these links from the link graph. There’s no need to add robots.txt, redirects, or obfuscation: this complicates the s...
John Mueller Oct 24, 2014
★★ Do you really need to reconfigure everything in Search Console when switching to HTTPS?
When switching from HTTP to HTTPS, no changes are needed in Google Search Console. However, it is important to check both versions (HTTP and HTTPS) to have separate data. On the technical side: config...
John Mueller Oct 24, 2014
★★ How does Google really handle 301 redirects between different domains?
Google tracks 301 redirects between different domains and often chooses a URL to show in search results. However, if the old brand is searched, Google may display its content to meet user expectations...
John Mueller Oct 20, 2014
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