| The Internet is a veritable smorgasbord of | | | | start of the document as well as words that |
| information, where you can find everything | | | | appear frequently all through the document. |
| you wanted to know on just about anything. | | | | This is simply because the spiders focus on |
| There are millions of pages existing on the | | | | key words that appear to be significant. |
| web and billions more being posted everyday. | | | | |
| How do you ever find what you are looking | | | | When keyword searches do not work |
| for? Without using a search engine, seeking | | | | |
| for information you want from the World Wide | | | | While using keywords is one of the most |
| Web is like looking for a needle in a | | | | efficient ways of doing an Internet search, |
| haystack. | | | | it does have a few drawbacks. |
| | | | |
| Search engines can be used to find anything | | | | Keyword searches are unable to distinguish |
| on the Internet- from interactive inter-state | | | | between words that have different meanings |
| driving maps to finding the best yoga therapy | | | | but are spelled the same way such as a hard |
| schools in your area, from still images to | | | | drive, hard work or a hard rock. |
| video movies. | | | | |
| | | | Keyword searches are unable to include other |
| How search engines work | | | | words that mean the same and would actually |
| | | | enhance your search. If you did a search on |
| Search engines employ software programs | | | | pulmonary disease, the search would not come |
| commonly known as spiders or crawlers to | | | | up with documents that had the word 'lung' |
| discover new sites. This information is sent | | | | instead of 'pulmonary'. This means you would |
| back to the main site where it is indexed. | | | | not have access to valuable information. |
| Different search engines differ in how | | | | |
| comprehensively and quickly they carry out | | | | On some search engines, a keyword search |
| the necessary search. | | | | would differentiate lower case from upper |
| | | | case, eliminating even more results based on |
| As a rule, most search engines pay more | | | | mere capitalization of words. |
| attention to words that appear towards the | | | | |