InfoPlease is an online reference source containing almanacs, atlases, biographies, dictionaries, thesaurus and a large encyclopedia. The website appeals mostly to an adolescent audience and has more than four million visitors a month.

Atlas users receive a comprehensive geography guide that includes maps, country and state profiles, geography tools and topographical information. Dictionary users can look up a word or use many related tools such as spelling checkers, spelling and grammar guides, or tutorials on writing as well as filling out various crosswords and playing various spelling games. The thesaurus also contains many tools for grammar usage and writing tutorials. The encyclopedia can be searched by keyword or by subject and is an online version of the Columbia Encyclopedia.

The website caters to an education audience by providing a homework center filled with information connected to various school subjects (such as history, math, science and social studies), as well as providing a number of science tools and testing assistance.

The website also contains news articles concerning current events and feature articles containing a variety of subjects pertinent to the time of year (such as winter solstice information or Black History Month). The website also contains numerous biographies about key individuals and figures in history. Users can participate in quizzes and access historical information, including timelines and county information.