To many webmasters, Google’s Disavow Tool seems a lifesaver. If you’ve suffered a Google penalty or been plagued by shady link building, simply upload a file of backlinks you want to disavow, and BOOM - you’re back in good graces. Or, more than likely, nothing at all. To better understand, I used…| Moz
View the complete Google Algorithm Change History as compiled by the staff of Moz. Includes important updates like Google Panda, Penguin, and more.| Moz