Your search will be more thorough. Search engines use different methods to add Web sites to their databases. Some use Web site titles, while others snatch every word on each document. Search engines use different and constantly changing formulas to determine the ordering of leads in response to your query.
Some search engines add new Web sites faster than others.
Alta Vista boasts the largest database of documents and returns the most comprehensive results. Excellent for finding obscure facts and phrases. It is considered to be one of the most powerful search engines available. Has good field-search options that allow you to limit your search results by specific criteria. Excite provides concept searching.