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Web Promotion
Once the crawler has collected all that text, it is then stored and indexed. This allows people searching for key words and phrases to get results relating to what they were searching for - their search results. Most sites will incorporate rating systems such as Google Page Rank or Alexa Rankings in positioning your site. These ratings are used attempt to ensure that sites that are important receive more traffic than unimportant sites.
To see this in action, go to a search engine and type in a word. You'll see some text on the page saying something like "results 1-10 of 1,234,000". This means that the search engine's index contains 1,234,000 pages it believes are related to the word you typed. If you wanted to, you could look through all these pages to find the information you're looking for.
In order to understand rating systems more thoroughly consider your own site. When you place links on your site you generally do so to increase your users understanding of the content of your site.
Business - Directory of business/finance/loan/mortgage related partner sites
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Computers - Directory of computer hardware/software/peripheral related partner sites
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Internet - Directory of webhosting/webdesign/internet marketing related partner sites
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Software - Directory of software related partner sites
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Web Design - Directory of web design/development related partner sites
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Web Hosting - Directory of web hosting related partner sites
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Web Promotion - Directory of search engine optimization/internet marketing related partner sites
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Web Resources - Directory of other web related partner sites
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Recreation - Directory of travel/hotel/cruise related partner sites
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Casino - Directory of online gambling/poker/blackjack/roulette related partner sites
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Health - Directory of online pharmacy/hospital/health related partner sites
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Shopping - Directory of online shopping/gift related partner sites
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Miscellaneous - Directory of all other partner sites
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If every site in a particular field links to a particular site, this site is probably very important to that field and should, therefore, be listed highly in the lists of search engine results. This is the basic ideology of Google Page Ranks.
Consider again , a site that receives a great deal of traffic, it probably has some information or service that is very important to its users. Alexa ratings attempt to estimate the amount of traffic that a particular site gets and compare it to the amount of traffic that other sites get. The closer that a site is to the most trafficed site on the internet, the more likely it is to have important content if it is relevant to search query.
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