This tool connects to your Google Analytics in order to analyze data against Google's algorithm changes, such as Penguin, Panda, Hummingbird and other smaller updates, to discover which ones have affected your website in a positive or negative way.
Fruition's Penalty Checker tools show the results in an easy to read chart. Additional information about each update, whether you've been affected, and a link to more details about the particular update is also provided.
The free version allows for monitoring of up to 2 websites. The paid versions supports 3 or more websites.
Requirements: Businesses with >5,000 search visits per month. At least 6 months of Google Analytics data. Omniture supported for enterprise level clients only Two free minutes of your time (usually less).