Penguin 2.1: How Paid Links Can Kill Your Rankings: Evidence Based Facts
Google's latest Penguin update exploded into action yesterday (October 4th), the fifth such update in the last 18 months. The update is said to affect around 1% of search queries to a noticeable degree, according to Matt Cutts, speaking via Twitter. https://twitter.com/mattcutts/status/386231794883780609 The Penguin evolution [...]