An Internet infrastructure supports searching of web links to select search results by processing browser activity information along with one or more of favorite lists, and related metadata, user profiles, and trends based on browser activity behavior and favorite behavior. A plurality of web browsers located on client device are incorporated with a browser activity-monitoring module that tracks user's Internet usage, processes this information, and sends this information periodically or upon user request to the server to aid in improving search operation results. The search engine server communicatively couples to the plurality of web browsers and supports delivery of search results/web links to the client device based upon a search string, browser activity information, and possibly the favorite lists and related metadata. The gathered browser activity information, favorite lists, and related metadata are stored in one or more server databases that are associated with the search engine server.