Summary of a Stone Temple Consulting study of the effectiveness of three major backlink discovery tools (Moz Open Site Explorer, Majestic, and ahrefs) at finding links from high authority sites. See the complete study at http://stonet.co/backlinktoolstest

11. See the complete study at:
stonet.co/backlinktoolstest

12. A prominent SEO and digital marketing industry thought
leader, Eric has been an entrepreneur for most of his 30+
year career. He is the lead author of the book The Art of
SEO; a columnist and contributor to publications such as
Search Engine Land, Moz, Forbes, Copyblogger,
Marketing Land, and Social Media Today; and a regular
speaker at industry conferences such as Search
Marketing Expo, Pubcon, ClickZ Live, and many others.
Eric is known for the publication of groundbreaking
studies, and interviews of other industry notables such
as Google’s Gary Illyes, Matt Cutts, and Bing’s Duane
Forrester.
www.stonetemple.com