With more than two million existing sites and thousands of new ones added daily, the World Wide Web can be a very confusing place. It's almost like trying to find a library book without the help of the Dewey Decimal System. Fortunately, there is help out there. Search sites make order out of this chaos, acting almost like electronic card catalogs to help you find the information that you need.
There are four types of search sites: directories, robotic search engines, meta search sites