There are 3 parts to a search engine:
1. The search engines use robots (also known as spiders) to search the internet for websites .
2. The results of the spiders' travels are put in an database which is then indexed based on words found and where these words were found .
3.The users of search engines search for words or phrases related to what they are looking for and the search engine index returns related sites.
Tags:
SEO