This news is from April this year... I wonder if you knew about it: Google actually made mistakes in its algorithm by considering fully functioning sites as "parked domains". As a result, a large number of sites crashed in the SERPs. Matt Cutts admitted and apologized... Here's a link to the article: http://searchengineland.com/dropped-in-rankings-google-mistake-over-parked-domains-118979 I wonder: how many other mistakes are they making? One I noticed is this: tons of thin content and spammy sites rank well above some sites that I managed in the past, while Google had severely downgraded us with Panda and Penguin. Even today tons of spammer competitors rank well above us. Same flat content for years, spammy links, keyword-filled pages, no sign of SM, not any visitor interaction (no comments, no forums, just plain .htm pages, total lack of interaction) and they rank too high... I wonder if that is another "ooops"-based thing?