Google Algorithm Change History
Posted in UncategorizedGoogle likes to change its algorithm now and again to try and reduce the number of "spam" websites that appear near their top of its rankings, and to promote what it "decides" are more relevant sites.
The dates of these changes can sometimes help to explain some dramatic improvements or decreases in traffic to websites.
Remembering the dates of previous changes can become tedious however I found a great page on the SEOMOZ website that actually tracks there!
Do check it out.