Search engines allow you to search the web by entering keywords. Most search engines will have an advanced searching facility which allows a more refined and detailed search. Results are usually ranked by how relevant the web pages are to your search. Results can be ranked differently from search engine to search engine, Google has a good reputation for its ability to rank web pages.
- Google is a search engine that makes heavy use of link popularity as a primary way to rank web sites.
- Google Scholar provides a simple way to broadly search for scholarly literature.
- Lycos offers a search engine, as well as a directory for browsing resources by category.
- Yahoo! is one of the web's most popular search services. It also offers a directory to browse resources by category.