It is the search engines that lastly bring your web site to the notice of the possible customers. Hence it is better to know the way these search engines really work and how they present info to the shopper initiating a search.
There are mainly two varieties of search engines. The primary is by robots called crawlers or spiders.
Search Engines use spiders to index websites. If you submit your website pages to a search engine by completing their required submission web page, the search engine spider will index your entire site. A spider is an automatic program that is run by the search engine system. Spider visits a site, learn the content material on the precise web site, the location’s Meta tags and in addition follow the hyperlinks that the positioning connects. The spider then returns all that info again to a central depository, the place the info is indexed. It is going to go to every link you might have on your web site and index those sites as well. Some spiders will solely index a sure number of pages on your website, so dont create a website with 500 pages!
The spider will periodically return to the websites to test for any information that has changed. The frequency with which this occurs is decided by the moderators of the search engine.
A spider is almost like a e-book where it accommodates the table of contents, the precise content and the hyperlinks and references for all the websites it finds during its search, and it could index as much as 1,000,000 pages a day.
Example: Excite, Lycos, AltaVista and Google.
Whenever you ask a search engine to locate data, it’s actually looking out via the index which it has created and never really looking out the Web. Different search engines like google and yahoo produce totally different rankings as a result of not every search engine uses the same algorithm to look through the indices.
One of the issues that a search engine algorithm scans for is the frequency and site of keywords on a web web page, however it could also detect synthetic keyword stuffing or spamdexing. Then the algorithms analyze the way in which that pages hyperlink to different pages in the Web. By checking how pages hyperlink to one another, an engine can each determine what a page is about, if the key phrases of the linked pages are just like the key phrases on the original page.