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301 in place Does an inbound link with non-preferred format matter?

mydomain.com and not www.mydomain.com


The Cricketer

2:34 pm on Aug 28, 2008 (gmt 0)

10+ Year Member

If I have a 301 redirect in place to redirect mydomain.com to www.mydomain.com then does it matter if people link to my site using
<a href="http://mydomain.com">

Will I lose any link juice? Or not? Surely I shouldn't if the permanent redirect works?


3:16 pm on Aug 28, 2008 (gmt 0)

WebmasterWorld Senior Member quadrille is a WebmasterWorld Top Contributor of All Time 10+ Year Member

You won't lose, but no way to know if you will gain as much as the 'correct' URL. I suspect not.

Visible page rank is URL-specific (check out a site that does not have the 301), but no way to know if 'internal' (real) page rank works the exactly the same way.

However, probably better to accept the link as is, than ask them to alter it; that can often lead to deletion!


3:43 pm on Aug 28, 2008 (gmt 0)

WebmasterWorld Senior Member pageoneresults is a WebmasterWorld Top Contributor of All Time 10+ Year Member Top Contributors Of The Month

Will I lose any link juice? Or not? Surely I shouldn't if the permanent redirect works?

Interesting question. I've not done any micro tracking of this but I have thousands of references out there with and without www. There doesn't appear to be any adverse effect.

Personally? I wouldn't worry about it too much. If you can get the originating source to update to the www version, great. If not, no big deal. The 301 is in place and according to protocol it should be seamless. Heck, Google even give you the option to specify this in WMT.

I do a bit of advertising these days without the www for display URIs. I can't see any negative impact from doing this. As long as you've got the proper 301s in place, you're good to go.


7:13 pm on Aug 28, 2008 (gmt 0)

5+ Year Member

Good question. Google in particular does a great job of passing the link juice via 301's.

I think there are several distinctions to be made here.

1) cross-domain 301's: They are helpful in site acquisitions, but after seeing dozens in the past year or so, I have some serious doubt about the authority being passed. Keyword rankings seem to transfer for the mostpart, but I haven't seen the authority or weight convey in general.

For example, domain A has the general trust and authority to to rank in the first page within 48 hours for new content. After a 301 to domain B(Note Proper 301's are important -- /subpage-content-asdf -> 301 /most-relevant-asdf) the keyword rankings convey to site B, but the authority and ability to almost immediately rank for new content does not.

2) non-www to www within a domain: From my experience, these changes are seamless if done properly. Ranking and authority seem to be fully in tact within a month or so from case studies.

3) http to https within a domain: This is the one that's surprised me. Within the past 2 years, I've had a couple sites that make sense to be exclusively ssl leadgen sites because of sensitive data gathering. I almost expected no organic success on these domains, but we previously had link campaigns and continued to the http version. What's more, we were going from [www...] -> 301 [(no-www)....]

Sure enough, rankings came back to the first page for competitive terms with tens of millions of competing results indexed by google. Got to give some credit to google for this one.

I think this is a great topic that's often overlooked.


11:16 am on Sep 20, 2008 (gmt 0)

5+ Year Member

it shouldnt make a difference.

this is absolutely a basic thing that google has corrected in the algo.


11:23 pm on Sep 26, 2008 (gmt 0)

5+ Year Member

You will lost PR of the old page, so what if the link is properly redirected to the new page. But you will gain again the PR of the new page when Google is updated (algo refresher).

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