Each type of search tool works differently and though they all can be utilized in a similar manner, each has special features designed to work only with that site. After learning the basics, it is a good idea to invest the time in reading the help pages for your favorite sites. Types of Search Tools Directories Directory or index sites are generally arranged in menu fashion. The opening screen provides a list of broad subject categories which in turn lead to ever-narrower topics. It is arranged hierarchically.
Users continue clicking on subjects until they find the desired subject.
Most also offer a keyword search feature which allows quicker access to the desired topic. Advantages Directories work best when the user is not sure of appropriate keywords or just wants to browse. Yahoo contains one of the largest databases of web sites on the internet. Sites like LookSmart and Magellan have a staff which constantly reviews sites in its database with the intention of providing only worthwhile material. Yahooligans provides sites appropriate for students.