Search engines play a crucial role in our daily lives. Relevance is
the core problem of a commercial search engine. It has attracted
thousands of researchers from both academia and industry and has
been studied for decades. Relevance in a modern search engine
has gone far beyond text matching, and now involves tremendous
challenges.

L'un des rare outil SEO pour suivre le ranking de ses mots clés ET qui s'installe en local (Windows ou Linux d'ailleurs). A tester.