This helps to place sites and articles of the most interest at the top of the output listing. The search indeces are built primarily by user submissions and supplemented with a web crawler that searches unspecified sources for new page announcements. The user browses through a series of cascading menus in the branching subject hierarchies to locate the desired site listings. The search engine uses standard Boolean operators and supports nested logic. Proximity searches can be done on bound phrases.
Prefixes allow search terms to be specifically required or excluded from the result.
There is no option to limit or enhance search results. It also offers Web Reviews of more than 60,000 of the highest rated sites on the Net in a variety of categories. Displayed on the home page are current headlines from its News Tracker service. The search engine handles entered phrases and finds the closest matches using fuzzy logic. Search results in the output listing are sorted by relevance.