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The data was collated between the 5th & 12th of April 2011 and we can definitely confirm that the update has hit the UK – in a big way.
Surprising is that ehow.co.uk and ehow.com has lost more than 50% in visibility and the alarm bells are probably going off at Qype.co.uk who’ve lost a whopping 96%! A lot of price comparison sites like ciao.co.uk (in a lawsuite with Google) and dooyoo.co.uk also lost nearly 90% of visibility. [blog.searchmetrics.com...]
This thread is for discussing the data - if you wish to share editorial opinion, positive or critical, please post in our other thread: Google PANDA rolls out WorldWide [webmasterworld.com]
[edited by: Leosghost at 3:09 am (utc) on Apr 13, 2011]
Their technology depends on maintaining a database of many 100,000's of high value keywords
In addition, this change also goes deeper into the "long tail" of low-quality websites to return higher-quality results where the algorithm might not have been able to make an assessment before. The impact of these new signals is smaller in scope than the original change: about 2% of U.S. queries are affected by a reasonable amount, compared with almost 12% of U.S. queries for the original change.
@indyank - you wrote "But I am not sure about the correctness of this report compared to the sistrix list. Sistrix report was far better than this one." As far as I know, Sistrix hasn't released any data for this new update. Have you seen it somewhere?
There also is evidence that a second layer of changes rolled through the google.com results, too.
but if anyone has something about google.com changes it would be welcome here
Google is macro-managing their search results for improved profit margins [i.e. more ad clicks], that's it. They probably have a certain profit percentage increase quota to fulfill. Want proof, just look at the search results. Quality? Yeah sure...
IMO the data is not data as such without it
Some of my sites that just got hit have Adsense, but my main one that got hit the worst doesn't have any Adsense.