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Most websites that link to me link to www. Utilizing the google site command however, the www returns 40,000, while the non-www returns 20,000 results.
Several months ago I changed my SEO strategy on pages that ranked very well to 'subdomains', for the purpose of better site organization and future optimization...thinking it was the better strategic move. Of course I 301'd the old domains to the new sub-domains
These subdomains appeared to be doing well, a few at a time appearing to inherit the 301 and rank where I expected them too. However, since last Friday everything appears to be dropping off the map, and I'm not sure how to react.
Basically, I'm trying to determine if the www and non-www are talking to each other correctly, and I'm also trying to determine if I made a mistake switching to the subdomains in terms of the best utilization of site strength. Can anybody offer experienced-based advice here. Thanks.
Why "www" & "no-www" Are Different [webmasterworld.com] - the canonical root issue
Here's a second possible issue - independent of the canoncial root question. By moving a lot of urls to subdomains (and removing them from the base domain) you also may have affected PR circulation through all your pages.
[edited by: tedster at 3:48 pm (utc) on July 21, 2007]
When you change pages from your main site domain and put them in a sub-domain is when you get hit hard. Basically you took your best performing pages from YOUR domain and moved them off to a new "sub" domain to get respect from Google all over again.
Preferred domain as said by Google
The preferred domain is the one that you would liked used to index your site's pages (sometimes this is referred to as the canonical domain). Links may point to your site using both the www and non-www versions of the URL (for instance, http://www.example.com and http://example.com). The preferred domain is the version that you want used for your site in the search results.
Once you tell us your preferred domain name, it may help us determine PageRank for your site more accurately.
You really do need to have the 301 redirect too. That fixes the site for all visitors and all search engines.
That is, if someone views your site as non-www, then when they decide to link to you, they may link to non-www. Other people may link to www, and you have a problem. If you install the redirect, their browser will always show www in the URL, and the chances of anyone linking to non-www declines very rapidly.