Why old (301) links stay on Google when breaking site down to multiple domains

Posted by Sampo Sarrala on Pro Webmasters See other posts from Pro Webmasters or by Sampo Sarrala
Published on 2013-07-03T10:22:42Z Indexed on 2013/07/03 11:18 UTC
Read the original article Hit count: 364

Filed under:

seo

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google

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googlebot

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multiple-domains

Some background:

We did have single site and single domain (let's call it mainsite.com) with product information, however things have changed since and product database has grown fast. So we decided to move some major products/manufacturers under their own domains (let's call one of them subsite.com) while still using our main database/codebase.

What we've done:

Added subsite.com domain for product 1 by Great Products Co.

Some new nice looking front pages, info pages, etc.

Detail pages that will use information from original db.

Redirected product/group links from mainsite.com using 301 redirect.

Verified that redirects works as expected.

Waited some time for Google reindexing (over 30 days, I've heard it should be more than enough).

Results:

If I search our moved products from Google then it will found them and list them but with old links to our main page like mainsite.com/group/product1 but it should show link to new site subsite.com/product1. Links from Goole redirects as they should, as said redirects are verified [301].

Main question:

Any reasons why Google would not follow 301 redirects and update links so that they will point to our new mfg/product site subsite.com?

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