SEO Files > From PageRank to Alexa Rank
[schestowitz.com] It appears as though Google removed PageRank from the public. No official announcement has been made though. Google once warned about abuse of public PageRank and trading of links. They were probably most dissatisfied by the involvement of AdSense, their advertising program, in the midst of this abuse. It is difficult to surf the Web without an indicator of any kind. It is hard to establish trust in information unless there is a measure of reliability bound to it. As a substitute, Alexa rank can be used as part of a Firefox extension called SearchStatus...
Some slightly related from Technorati and Google.
[Schestowitz.com] schestowitz.com: The thread makes insightful observations, but the original poster fails to provide information to support his statements. Also, the transition to a new ranking system would have been seamless. Are Google preparing an announcement and halt PR in the interim? This has already lasted too long to be a technical fault.
[Microsoft-watch.org] Web ranking tool: A power law distribution becomes a straight line when graphed on alog scale. For this reason, both the PageRank scale and Alexa'sgraphs are logarithmic. Up until mid-2003, the 0 to 10 PageRankscale appeared to have a log base that averaged between 4 and 6.This meant that you needed about five times the number of links toincrease your PageRank by one digit, if everything else was equal.But since 2003, it has become clear that high PageRank pages nowhave amazing power to confer PageRank on others. Today it seemsthat with only a few links from pages that average, let's say, aPageRank of 7, the target page can already expect a PageRank of 6.
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[Davidgalbraith.org] David Galbraith: I'm not entirely sure what this means, the difference should either disappear over time as a Pagerank of 9 drives more traffic and thus boosts Alexa rank - or if the potential readership is saturated, perhaps it will soak all the potential searches for PVR related content and pick up a large share of ad revenue with very good impressions to clickthrough rates on Adsense advertising.
[Davidgalbraith.org] David Galbraith: blogging Archives: I'm not entirely sure what this means, the difference should either disappear over time as a Pagerank of 9 drives more traffic and thus boosts Alexa rank - or if the potential readership is saturated, perhaps it will soak all the potential searches for PVR related content and pick up a large share of ad revenue with very good impressions to clickthrough rates on Adsense advertising.
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