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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★★★ Are JavaScript Redirects Really Safe for Your SEO?
Third episode of the #AskGoogleWebmasters videos, which this time addresses the question of JavaScript redirects. John Mueller explains that Googlebot understands JS redirects well during its crawls a...
John Mueller Aug 12, 2019
★★ Do chained 301 redirects really blow your crawl budget?
Multiple 301 redirects can prolong the crawl time of a page and affect the crawl budget on large sites. Fixing links to point directly to the final destination is a better use of crawl resources....
John Mueller Aug 09, 2019
★★★ Should you change your main domain in Search Console when redirecting to a subpage?
There is no need to change your main domain in Search Console if you are redirecting to a subpage. Checking the subdomain or subdirectory is optional....
John Mueller Aug 09, 2019
★★★ Do cookie banners really harm your site's SEO?
Google considers cookie banners acceptable if they do not hide the main content, but redirects or content hiding can cause issues....
John Mueller Aug 08, 2019
★★★ Are JavaScript redirects really equivalent to server-side 301s for Google?
Google supports JavaScript redirects and follows them similarly to server-side redirects. It is recommended to submit the exact URL you want indexed rather than the one that redirects....
John Mueller Aug 08, 2019
★★★ Does Google Really Treat Redirect Loops as 404 Errors?
John Mueller explained on Twitter that Google ignores links that generate redirect loops (example: URL A redirects to URL B, which itself redirects to URL A, thus creating an infinite loop). These URL...
John Mueller Jul 29, 2019
★★★ Why Is Keeping the Same URL as Long as Possible Crucial for Your SEO?
The same John Mueller, always on Twitter, has "really recommended keeping the same URL for a web page for as long as possible."...
John Mueller Jul 29, 2019
★★★ Is it really necessary to optimize canonical URLs to enhance crawl budget?
To improve crawling efficiency, ensure that canonical URLs are correctly defined, including through redirects, canonical tags, and updating sitemaps to avoid duplication....
John Mueller Jul 26, 2019
★★★ Should you really avoid changing your URLs to protect your SEO?
Google suggests keeping URLs stable over time to avoid the tedious management of constant redirects, which could impact the tracking of links on your site....
John Mueller Jul 23, 2019
★★★ Is it true that every URL needs to be mapped 1:1 during a site migration?
During a site migration, ensure that the original URL structure is mapped one-to-one to the new structure to correctly transfer signals....
John Mueller Jul 23, 2019
★★★ Subdomains vs Subdirectories: Does this distinction still matter for SEO?
Google generally treats subdomains and subdirectories similarly, with signals transferred in case of redirection. Therefore, structural choices do not have a particular preference for SEO....
John Mueller Jul 12, 2019
★★★ Should you really fix every 404 error on your site?
A 404 error indicates that the content no longer exists and does not need to be fixed with a redirect. It is a normal state and does not negatively affect the site's ranking....
John Mueller Jul 11, 2019
★★★ Why does Google advise against automatic language redirects on multilingual websites?
Avoid automatic language redirects and use HREF lang annotations to allow Google to access and index page versions in different languages....
John Mueller Jul 09, 2019
★★★ How Long Does a Successful SEO Migration Actually Take?
John Mueller mentioned during a webmaster hangout that if everything was done properly on a website, a migration could be very quick in terms of SEO, in the order of a few days (a day or two, accordin...
John Mueller Jul 02, 2019
★★★ Can a domain migration really take place within 48 hours without losing rankings?
When moving a site to a new domain, if everything is set up correctly, it may only take one or two days for the transition to be complete without significant impact on rankings....
John Mueller Jun 28, 2019
★★ How many redirects does Google actually follow before giving up?
Google handles multiple redirects by following up to five redirects at once. Beyond this number, processing can be segmented to slowly check later redirects....
John Mueller Jun 27, 2019
★★ What happens when you migrate your site, and why does it cause ranking fluctuations that might surprise you?
Site migrations require time for rankings to stabilize. It's essential to manage redirects properly and anticipate temporary fluctuations....
Google Jun 19, 2019
★★★ Should you really redirect each URL individually when moving a site?
When relocating a site, it's recommended to redirect each URL individually, rather than using a redirect to the homepage. This helps preserve the relevance and ranking of the pages....
John Mueller Jun 13, 2019
★★★ Should you really implement 301 redirects for your images when changing domains?
For a domain change, Google recommends using 301 redirects for images to maintain the accumulated quality signals....
John Mueller Jun 06, 2019
★★★ Does the 301 really determine which URL Google will canonize?
Google uses various factors to select the best canonical URL from a group. A 301 is a strong signal, but it is not always the only determining factor....
John Mueller Jun 06, 2019
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