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Re: Can images from different domain affect page rank?

  • Subject: Re: Can images from different domain affect page rank?
  • From: Roy Schestowitz <newsgroups@xxxxxxxxxxxxxxx>
  • Date: Fri, 21 Apr 2006 08:28:16 +0100
  • Newsgroups: alt.internet.search-engines
  • Organization: schestowitz.com / MCC / Manchester University
  • References: <1144954584.200881.317750@z34g2000cwc.googlegroups.com> <3gdt329b3krf0dukc3gdje41jjh0lf5vto@4ax.com>
  • Reply-to: newsgroups@xxxxxxxxxxxxxxx
  • User-agent: KNode/0.7.2
__/ [ Paul B ] on Thursday 13 April 2006 21:36 \__

> On 13 Apr 2006 11:56:24 -0700, suganthipv@xxxxxxxxx wrote:
>> it may be silly question, but let me know what you think about this.
>> i just want to know, when you use the images from another domain
>> whether it will hurt your PR?
> Do you own this domain ?
> If not, then you are hot linking and that is stealing someone else's
> bandwidth, and should not be done.

Unless, of course, the victim does not mind. There are some benign cases too,
remember? *smile* By the way, Paul, Google forgave me for embedding their
video in a page of mine. All was restored to normal a couple of days ago,
but I will never go down that route ever again.

> If you own both domains, then there is no harm; either in PR or hot
> linking.

I agree. Image crawlers are a separate issue, but search engines care for
content. You /may/, however, 'leak' some ranks. I cannot be sure though
because I don't know the algorithm. Almost nobody does...

>>for example, if you use the images from domain1 in domain0, what are
>>the impacts of this from SE points of view?
>>whether no impact? or domain0 will loose PR and domain1 will gain a PR?
>>can you clarify?

It is better to have all graphics on the same domain. This should /usually/
makes page delivery faster (communication with a single IP, pilelining). It
also keeps things like stats more organised, unless (mis-)used for spying.
HotLinking is known to be a good tools for studying samples of visitors and
that famous pictures of 3 horizontally-laid books that you see in Web sites
is one among many examples. It's HotLinking+Cross Site Scripting (XSS),
usually JavaScript.

__/ [ Fritz M ] on Thursday 13 April 2006 22:11 \__

> Unless the image hoster gives perrmission. Flickr, for example, allows
> hotlinks.
> Regardless of hotlinking, I don't believe that using an external domain
> for <img> tags has any effect on SE ranking of text pages.

FWIW, PhotoBucket is a service that is in fact built for that purpose.

Best wishes,


Roy S. Schestowitz      | Useless fact: penguins are the greatest birds
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