| A search engine is made up of a spider, an indexer, a database of information, software used to perform the search and a web interface. A search engine works by a spider crawling the Internet to find documents which are then indexed by the indexer and stored in a database. The software used to search will then find the correct information from the database based on the query the user has inputted and present the most relevant results. The most well known search engine is - Google and Yahoo! is often thought of as a search engine, but in fact it is a directory. |
SEO Resources 
