Optimization of targeted advertisements based on user profile information

A system for targeting based on user information, the system comprising:

• at least one processing server, comprising a processor and memory, to identify a set of keywords associated with content information requested by a user over a network, to retrieve advertising information corresponding to said set of keywords to retrieve a user profile information associated with said user, said user profile information comprising a user matrix, said user matrix comprises, for said set of keywords and said corresponding advertising information, click-through-rates associated with said user and a bid price for said advertising information;
• and
• at least one advertising server, comprising a processor and memory, coupled to said at least one processing server to filter said advertising information to select advertisements based on said bid price for said advertising information and said corresponding click-through-rate associated with said user identified in said user matrix for said set of keywords and to provide advertising information selected to be displayed for said user in connection with said content information.