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When you enter a search query and press the "Enter" you will get online results that contain the query term list. Consumers are generally willing to visit sites that are at the top of the list as they are aware of those that match the query. If you ever wondered why some of these sites rank better than others, then you need to know that this is so, a powerful online marketing technique called Search Engine Optimization (SEO).

SEO is a technique that helps search engines find and rank your site higher than the millions of other sites in response to the search query. SEO, therefore, helps you get traffic from search engines.

This SEO tutorial covers all the information you need to know about search engine optimization - what is it, how it works in the major search engines and the differences in classification criteria.

The first basic truth you need to know to learn SEO is that search engines are not humans. While this may be obvious to all, the differences between the ways people browse the Web search engines are available. Unlike humans, search engines are text-driven. Although modern technology is, the search engines are far from intelligent creatures that can feel a cool design or enjoy the beauty of the film sounds and movements. Instead, search engines crawl the internet looking at particular site items (mainly text) to get an idea of ​​what the site is about. This brief explanation is not the most accurate because, as we shall see below, the search to engage in various activities that provide search results, scanning, indexing, processing, and calculating eligibility and playback.

First, search the Internet to see what's out there. This task is carried out a piece of software called a robot or a spider (or Googlebot, as with Google's case). Spiders follow links from one page to another and index everything they find their way. In view of the head of pages on the Internet (over 20 billion)., It is impossible, the spider to visit your site every day just to see if you have a new page, or if the current page has been modified, sometimes work can lead to your site in a month or two.

What you can do is to check what the robot sees from your own site. As already mentioned, the robots are not people and they do not see images, Flash movies, JavaScript, frames, password-protected pages and directories, so if you have tons of these on your site, you better run the Spider Simulator below to if they Fruits are visible to the spider. If they are not visible, they cannot be spidered, not indexed, not processed, etc. - in a word, they will be non-existent in the search engines.

After a page is scanned, the next step is to index its content. Indexed pages stored in a giant database, from where it can then be obtained. Essentially, the indexing process is to identify words and phrases that best describe the page and move the page to certain keywords. People cannot handle such amounts of information, but usually only good search deal with this task. Sometimes they can get on the right meaning, but if you help them by optimizing it will be easier for them to properly classify your pages and you get higher rankings.

When you come in your search query, the search engine processes it - i.e., it compares the query string to search the indexed pages in the database. Since it is likely that more than one page (in practice this is a million pages) is a search string, the search engine starts calculating for each of your index page with the search string fitness.

There are various algorithms for computing fitness. Each of these algorithms has different relative weights of common factors such as keyword density, links, or drop. That is why different search engines give different search results pages for the same search string. What is more, it is a known fact that all the major search engines such as Yahoo!, Google, Bing, etc. periodically change their algorithms and if you want to keep up, you'll also have to customize your pages the latest developments. This is one of the reasons (the other is your competitors) for the continued efforts of SEO, if you want to be on top.

The final step in the search engines operate with the results. Basically, this is nothing more than just display them in the browser, i.e. endless pages of search results that are sorted in most relevant to least relevant sites.

Although the major search engines all working principle is the same, minor differences between them result in significant changes in results relevancy. Different search engines different factors are important. There was a time when SEO experts joked that Bing algorithms are intentionally only Google vice versa. While this may be a grain of truth, it's a question that the major search engines, such as different things, and if you plan to win more than one of them, you need to optimize carefully.

There are many differences between the examples of search engines. For example, Yahoo! and Bing keyword on the page factors are very important, and Google links are very, very important. In addition, Google sites, like wine - the older the better, and Yahoo! usually not expressed the wish to websites and domains with tradition (i.e. older). So you may need more time before your site becomes more mature, that could be incorporated into the top of Google or Yahoo!

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