The Top 10 Google Algo Changes of 2011 and What Do They Mean for Your Company | Amanda Di Silvestro | Google Penalty World |

This last year Google brought a large number of algorithm changes to the table. Although these changes helped increase traffic and rankings to many large corporations such as YouTube and eBay, it hurt a large majority of small businesses.

According to Search Engine Land, some domains saw a 94% loss in visibility, and others were left picking up the pieces after they lost 80% of their keyword positions.

Consider this graph by Sistrix, created to describe where’s keywords landed on Google search engine results pages (SERPs) before and after one of the Google algorithm updates: