Web is a cruel place. Social media giant, Facebook's PageRank drops from 10 to 9
Google's algorithm of calculating PageRank is not totally transparent but it depends on web traffic and data, as we know Facebook is having enough traffic, but according to third party reports from back few months Facebook is losing traffic in its home US and in Canada, so is that it? No, I don't really think...
It seems, and maybe Facebook is getting targeted by its competitor Google+.
But there is one more thing "Quality of data", as we see all the top quality websites are having better PageRanks, maybe decreasing Facebook's PageRank is the result of mass amount of qualityless data... Who knows...
