How Google's Penguin 3.0 Is Playing Out Across The Web
The update did not generate a large number of dramatic changes within search engine results pages (SERPs). According to our data, fewer than 1 in 10 websites (7.7%) that ranked on the first page dropped by more than 10 positions after Penguin 3.0:.
Read more on Search Engine Land
A Year On: The Impact of the Hummingbird Algorithmic Update
When it did this, SERPs were flooded with poor quality results. Google was possibly attempting to patch up these problems with updates such as Penguin, Panda and EMD (Exact Match Domain), but these were not that effective when it came to conversational …
Read more on Business 2 Community