Kinds of Search Engines 1. These are broken down into categories and are good for broad searches of established sites. For example, if you are looking for information on the environment but not sure how to phrase a potential topic on holes in the ozone, you could try browsing through Yahoo's categories. Those references can help you determine the key terms to use for a more focused search. These ask for key words and phrases and then search the Web for results.
Some search engines look only through page titles and headers.
Others look through documents. Many search engines now include some categories as well. Read the instructions and FAQs to learn how that particular site works. Each search engine is slightly different, and a few minutes learning how to use the site properly will save you large amounts of time and prevent useless searching. Infoseek permits you to ask questions.