We are google marketers. We evaluate
our performance according to Google results. Google
is the most used search engine itself dominating
more than 70% of the market share! Ofcourse your
site will definitely benefit on all other search
engines too, but we only take google as a measure
to assess our performace.
Currently Google search results also
show up on google's partner sites such as AOL, Yahoo,
Netscape and thousands of others. So if your site
ranks on top on google, it also ranks on top on
all these engines.