  In order to measure website visibility in search engines, there are softwares
for analytics and referencing follow-up. They permit to quantify website's
efficacity of referencing and optimize its positionning in search engines. With
regard to search engines' algorithms' evolution and centralization of Key
Performance Indicators for Marketing decision making, it becomes hard to find
solutions to effectively lead a lot of projects for referencing. That's why we
have built a methodology in order compare, evaluate and choose a software for
analytics and referencing follow-up in search engines.
