Each engine may produce slightly different results so it is a good idea to try several engines.
Google
One of the largest and most popular search engines. The name has become synonymous with searching (i.e. “Google it.”).
Yahoo!
Popular search engine that organizes information as subject trees from general to specific topics.
Dotdash
Search by topical headings. (Formerly About.com.)
Ask.com
Search by asking questions (formerly Ask Jeeves).
Dogpile
All the best search engines piled into one.
Lycos
Features entertainment, news, music and games.