They activate multiple search engines with one inquiry from you. This is a lot faster than using search engines one by one, but generally you can do only a basic keyword search. You cannot use sophisticated search syntax such as wildcards or phrase searching to pinpoint your question. In directories web sites are reviewed by human beings and put into subject categories. You move from general to narrower categories until you find the level you want.
Directories have much smaller databases than search engines but produce more relevant results.
Some sites have particularly high quality material because their editors are experts in their fields. Try WWW Virtual Library Return to top of page. Federal Government information IRS forms and publications Download and print the forms you need. Your first click to the U.S. government. User-friendly access to more than 27 million federal web pages.