"What really happened to eBay dropping in Google’s search results this week? A source familiar with the situation tells Search Engine Land that Google hit eBay with a manual penalty this week.
A manual penalty is when a human being at Google reviews a site and decides that it deserves some type of slap. Previously, it was assumed eBay was hit by the Panda 4.0 Update that rolled out this week, where a wide-range of sites were with with automatic penalties.
That might also be the case — eBay might have been hit by Panda in addition to a manual penalty, which was reported earlier by Re/Code.
The timing of the manual action — which may have been deliberate on Google’s part — certainly made it look like eBay’s troubles were Panda-related. Further confusing matters, Google also announced that the Payday Loan 2.0 update was rolling out the same day.
In the aftermath of the Panda 4.0 announcement, both Moz and RefuGeeks dug into eBay’s situation, with the latter site revealing that eBay had lost visibility on keywords that began withwww.ebay.com/bhp in the URL"