Google Algorithm Change History

[coolguy27]

Each year, Google changes its search algorithm up to 500 – 600 times. While most of these changes are minor, every few months Google rolls out a “major” algorithmic update that affect search results in significant ways....

more info at SEOmoz - Google Algorithm Change History

[JessicaJohn]

Everyone disturb from this consistent changes in google's algorithm, i think google is doing this rapidly changes because google want to get paid traffic because in this way they can earn more but they are creating hurdles in SEO business growth.

[vishenda]

Thanks for sharing this information

[mit]

Really a nice link buddy! thanks for sharing it here.