Yesterday I reported at Search Engine Land that Panda 4.0 may have hurt press release sites
and showed SearchMetrics data for PRWeb, PR Newswire, BusinessWire and
PRLog all losing between 60% to 85% of their SEO visibility.
This drop seems to have come right after the Google Panda 4.0 update. The controversy around press release sites were mostly about links flowing
from those releases, not necessarily the issue with the duplicative
nature of that content. But let's be honest, many many press releases
issued are content thin and spammy on the content end, not just on the
link end. So maybe, just maybe, Panda 4.0 adjusted for it and the big
sites felt it?
Sean from SEER also documented the drop via SEM Rush data and screen shots of before and after rankings for some press releases.
Here are SearchMetrics charts:
Read More:http://goo.gl/jzqrBj
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