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Remember what Google's PR is based on: "The uniquely demoractic nature of the web". Well, if a page is really worthwhile, it should have at least 15(?) or 20 (?) inbound links. No?
I'm not really sure that this would be a good thing. Those who advocate this generally do so on the argument that it would thwart commercial sites trying to buy PR. That it would be at least somewhat effective. However, when it comes to non-commercial sites, this would cause problems. Many personal sites are eclectic, and links reflect the interest of the owner. Such sites tend to freely link to content they feel is really worthwhile in many different areas. Making this change would mean that a site could only "vote" for another and pass on PR if it is on the same topic. That many personal sites don't even have a focused topic would make this impossible for an algo.
Such sites tend to freely link to content they feel is really worthwhile in many different areas. Making this change would mean that a site could only "vote" for another and pass on PR if it is on the same topic. That many personal sites don't even have a focused topic would make this impossible for an algo.
I would think that pr could still be passed on, but if it was off topic it would be diminished somewhat. Comparing content of title tags, keyword density, human edited categories and descriptions, meta keywords (yes, I said meta keywords) incoming anchor text could give a relationship between two linked sites and how much pr could be passed on in either direction.
I would think that pr could still be passed on, but if it was off topic it would be diminished somewhat.
To touch on what rfgdxm1 some other similar posts say it is impossible to determine what an off topic link is. As an example on my classic mustangs web site I link to a really cool product that can restore finishes.
An algo could never determine that the link was on topic.
You can justify a link to just about anywhere from that mustang site.
"Going to the Mustang Convention? Click here for Dallas Hotels"
"Got a cool car but still can't get the chicks? Try some stacker2 pills"
"Like this site? Check out this other site I designed."
And, it gets worse with personal sites. What if someone on a personal site has a section on their amateur poetry, and on the links page links to a number of other people's personal sites that also have poetry? And, what if that amateur poet is a recovering alcoholic, and because of that links to some AA sites? Or maybe even that the owner of this site happens to like classic Mustangs, and because of that links to your site mentioned above? Personal sites often tend to be unfocused as to topic. Thus, there really are aren't any on topic links.