Busby SEO Test >> These search engines that, finally, its web site to the attention of potential customers. Therefore, it is better to know how these search engines really work and how the information to the client to search for keywords.
There are basically two types of search engines. Firstly, the robots, and were transferred to a scanner or spiders.
Search engines use "spiders to index websites. If your site on the search engines, directories, which require the submission page, search engine spiders crawl and index the entire site." Spider "is an automated program, which is used searches. Spider Web site, read the contents in the same place where the meta tags and follow links, the site is connected. Spider returned, that all information in a central repository where data is indexed. We visit each link you to your site and index Pages as well. Some spiders index only a certain number of pages on the site so that you do not page with 500 pages!
Spider periodically check to make sure all the pages may have changed. The frequency with which this happens is determined by the moderators of search engines.
Spider almost like a book in which the TOC, content and links and links to all sites can be found in the search, and could take up to one million pages a day.
Example: Excite, Lycos, Altavista and Google.
If you use a search engine for finding information, actually finding is that the index was created, but not really found on the Internet. Different search engines have different rankings because not all the same search algorithm to search the index.
One of the things that the search engine search algorithm is the frequency and location of keywords on a Web page, but can also detect artificial keyword stuffing or spamdexing. While algorithms analysis pages contain links to other pages on the Internet. To check how pages link to each other, the engine can also determine what is on the one hand, if the keywords of pages that are similar to those keywords on the original page.
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