Profit Instruments is an Internet Marketing training course by Ritoban Chakrabarti. This course will help you increase your income on your small websites using SEO to rank in search engines. The rest of this article will talk about how search engine and web crawlers works.

It is the search engines that will help you get acknowledge by a potential clients. Hence it is better to know how these search engines actually work and how they present information to the customer initiating a search.   

There are basically two types of search engines. The first is by robots named crawlers or spiders.

A spider is used by the search engines to index websites. The search engine’s spider will index the entire website when you submit your website pages to a certain search engine by completing their necessary submission web page. A ‘spider’ is an automated program that is run by the search engine system. Spider visits a web site, read the content on the actual site, the site’s Meta tags and also follow the links that the site connects. The spider then returns all that information back to a central depository, where the data is indexed. Each link that you have on your website will be visited and those sites will be indexed also. Some spiders will only index a certain number of pages on your site, so don’t create a site with 500 pages!

The spider will periodically return to the sites to check for any information that has changed. The frequency with which this happens is determined by the moderators of the search engine.

A spider is almost like a book where it contains the table of contents, the actual content and the links and references for all the websites it finds during its search, and it may index up to a million pages a day.

AltaVista, Lycos, Excite and Google are some examples.

When you ask a search engine to locate information, it is actually searching through the index which it has created and not actually searching the Web. Every search engine has it’s own algorithm that’s why they produce different rankings.

One of the things that a search engine algorithm scans for is the frequency and location of keywords on a web page, but it can also detect artificial keyword stuffing or spamdexing. Then the algorithms analyze the way that pages link to other pages in the Web. By checking how pages link to each other, an engine can both determine what a page is about, if the keywords of the linked pages are similar to the keywords on the original page.

You can read a full Profit Instruments Review by going to: http://www.profitinstruments.net. Here you will learn more about this program and what it has to offer.

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