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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★★★ How long does it really take to recover after a domain transfer?
A clean site migration with 301 redirects in place can be processed quickly by Google. However, significant changes require a complete reevaluation, extending the recovery time....
John Mueller Feb 19, 2019
★★★ How long does a website migration really take in Google's eyes?
A straightforward transfer from one domain to another is generally handled quickly if 301 redirects are correctly set up, but significant changes require a reevaluation of the site, which can take lon...
John Mueller Feb 19, 2019
★★★ Should you really avoid combining domain migration and technical overhaul?
Making significant changes all at once, like switching to a new domain and new infrastructure, complicates Google's algorithms' tasks in stabilizing the site. This can lead to longer processing times ...
John Mueller Feb 19, 2019
★★★ How do technical migrations complicate your website's SEO?
Significant changes, such as migrating to a new domain, framework, or platform, can complicate our algorithms' understanding and extend the time required to establish a stable new ranking for the site...
John Mueller Feb 19, 2019
★★ Why do some 301 redirects take months to be reviewed by Google?
301 redirects must be handled on a page-by-page basis to be properly understood by Google. This process is gradual, with some pages being indexed very quickly, while others may take several months to ...
John Mueller Feb 08, 2019
★★★ Do 302 redirects actually pass PageRank just like 301s?
301 and 302 redirects are treated differently by Google: 301s pass SEO signals to the destination while 302s are interpreted as temporary, but Google may treat them as 301s if they persist....
John Mueller Feb 05, 2019
★★★ Do redirects really affect your site's crawl and ranking?
Redirects should be implemented in a way that ensures a good user experience and smooth crawling by Google. Use the URL Inspection tool to check that redirects are functioning correctly....
Google Feb 01, 2019
★★★ Does Buying an Expired Domain for SEO Really Work?
A Googler explained on a webmaster help forum that "Google understands when domains change owners, so the site won't necessarily rank for the queries it used to rank for before the ownership change." ...
Google Jan 28, 2019
★★★ Should you really avoid changing your image URLs to maintain their visibility in Google Images?
Changing image URLs affects visibility in Google Images, and redirects help maintain ranking....
John Mueller Jan 11, 2019
★★★ Do image redirects really preserve rankings in Google Images?
If image URLs change, setting up redirects is effective in preserving rankings in Google Images....
John Mueller Jan 11, 2019
★★★ What should you do about the feature shutdowns in Search Console?
Google plans to implement several changes to Search Console, including the shutting down of certain features from the old version and migrating others to the new one. Some sections could be permanentl...
John Mueller Jan 11, 2019
★★ Should you really avoid 301 redirects for expired pages to categories?
Using a 301 redirect to redirect an expired page to another category page is not recommended. A 301 redirect means that the content has permanently moved, which is not the case when it no longer exist...
Google Jan 04, 2019
★★★ Why are individual 301 redirects essential during a site merger?
When merging sites, expect a temporary drop in rankings. Ensure that 301 redirects are correctly configured for each page individually to preserve SEO as much as possible....
John Mueller Dec 21, 2018
★★★ Should you really block alternative images with robots.txt instead of using x-robots-tag?
To control which versions of images are indexed, Google recommends using the robots.txt file to block alternative versions. While x-robots-tag is primarily for web pages, blocking via robots.txt works...
John Mueller Dec 21, 2018
★★★ Are 301 redirects truly essential to retain the link juice of a deleted page?
To transfer the link juice from a deleted page to a new page, a 301 redirect must be put in place. In the absence of a redirect, the incoming links pointing to the old page will not benefit the new pa...
Google Dec 17, 2018
★★★ Can Switching Hosts or Migrating to a CDN Tank Your Google Rankings?
John Mueller indicated on Twitter, in response to a specific case of a company that migrated its site to Cloudflare and saw its rankings drop, that this case was merely speculation and that a hosting ...
John Mueller Dec 17, 2018
★★★ Should you really remove HTTP from the sitemap when migrating to HTTPS?
During the migration from HTTP to HTTPS, the HTTPS version must be prioritized in the sitemap. However, if HTTP correctly redirects to HTTPS, this should not pose a major problem for indexing....
Google Dec 17, 2018
★★ Do redirect loops really disrupt Googlebot's crawling?
Multiple redirects causing a loop, particularly involving login pages, can prevent Googlebot from successfully crawling a site. The mobile compatibility test can show how Googlebot manages these redir...
John Mueller Dec 14, 2018
★★★ Why Does Google Ignore Your Canonical Tags Despite Proper Implementation?
A Googler indicated on a webmaster forum that even if canonical tags were properly integrated on a website, other signals such as inconsistent redirects could hinder their consideration by the search ...
Google Dec 10, 2018
★★★ Redirects or Canonicals: What’s the Real Difference for Category Transfers?
When a product category is moved to a new site, 301 redirects and canonical tags are similar in terms of signal transfer. However, one should expect a ranking reassessment for the new URLs....
John Mueller Nov 30, 2018
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