Second tier search engines are commonly defined as any search engine that draws less than 10% of the search traffic. I define second tier search engines as search engines other than Google, Yahoo and MSN. Even though they are such a small part of the entire search volume they still can be a useful tool [...]
Entries Tagged as 'Search Engines'
Second Tier Search Engines Are Your Friend
April 15th, 2008 2 Comments
Tags: PPC · Search Engines · second tier · tier 2