Google Pagerank and "Class-C Addresses"
warren at kumari.net
Tue Sep 22 16:16:44 UTC 2009
On Sep 21, 2009, at 2:01 PM, William Pitcock wrote:
> On Mon, 2009-09-21 at 18:18 +0200, Sebastian Wiesinger wrote:
>> Hello Nanog,
>> I'm looking into a weird request which more and more customers have.
>> They want "different Class C addresses", by which they mean IPs in
>> different /24 subnets.
>> The apparent reason for this is that Google will rank links from
>> different /24 higher then links from the same /24. So it's a SEO
> They are wrong. Unfortunately, this is a rumour that is being
> cashed in
> greatly by companies like GotWebHost.com, which offer "SEO hosting".
> They may honestly believe that this is true, it is not. Infact, IPs
> have nothing to do at all, with PageRank, and don't let any of these
> crackheads tell you otherwise.
> A google employee blogged about this topic at:
Yes, and I'll second this -- PageRank does not in any way get improved
by hosting on multiple IPs (or different ranges or Class A's or Class-
C's or swamp space or space from different RIRs or "premium
addresses" (?!) or anything like that...).
>> I googled a bit and found pages after pages of FUD and such great
>> things as the "Class C Checker": "This free Class C Checker tool
>> allows you to check if some sites are hosted on the same Class C IP
>> My question is: Is there any proof that Google does differentiate
>> between /24s, or even better is there any proof that this isn't the
There's Matt's word and Craig Silverstein's word and (not that it
count for as much) my word -- PageRank does NOT differentiate between /
Google has stated this multiple times and we have nothing to gain by
lying or making things up -- the SEO folks on the other hand have a
large incentive to claim that IPs *do* make a difference as they sell
this as a service...
: Yes, yes, I know, settle down....
>> I will not give a customer space from different address blocks
>> just because he read it in a SEO magazine.
> As said above: No, it is not true. Further, SEO is mostly a load of
> bullshit that only delivers temporary results, as the search engines
> will change their algorithms, etcetera.
>> Perhaps someone from Google itself can answer this question?
>> Also how do you handle such requests? I expect I'm not the only one
>> who gets them.
> It depends on how much money they pay me.
> If they pay me a lot of money, then I will likely give them what they
> want. If not, well, that's too bad for them.
> It doesn't matter to me, regardless, provided that they aren't
> my AUP by you know, spamming or something along those lines. In those
> cases, well, they probably wouldn't be asking for more IPs, because
> would be offline.
> William Pitcock SystemInPlace - Simple Hosting
> 1-866-519-6149 http://www.systeminplace.net/
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together, they make a pretty good raft.
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