What is SEO?

SEO is the abbreviation of Search Engine Optimization and it is a process to bring relevant visitors to your site by following the rules and regulations of search engines. The traffic which comes through SEO is unpaid, it is known as natural traffic or organic traffic.

Whenever you enter a question in a search engine and hit ‘enter’ you get a list of web results that contain that query term. Users normally tend to visit internet sites that are at the top of this kind of list as they understand those to be more relevant to the query. If you’ve ever wondered why many of these websites rank better than the others then you need to know that it is because of a powerful web marketing technique called Search Engine Optimization (SEO).

SEO is a method which helps search engines locate and rank your website higher than the millions of other sites in response to a search query. Search engine optimization thus helps you acquire traffic from search engines.

This SEO tutorial covers all the necessary information you need to know about Search Engine Optimization – what is it, how does it work and differences in the ranking criteria of major search engines.

How Search Engines Work

The first basic reality you need to know to learn Search engine optimization is that search engines usually are not humans. While this might be obvious for everybody, the actual differences between how humans and search engines view web pages are not same. Unlike humans, engines like google are text-driven. Although technology advances rapidly, search engines are far from smart creatures that can notice the beauty of a cool design or enjoy the seems and movement in movies. Instead, search engines like google crawl the Web, looking at particular site products (mainly text) to obtain an idea what a website is about. This short explanation is not the many precise because as we will see next, search engines carry out several activities to be able to deliver search results : crawling, indexing, processing, calculating relevancy, as well as retrieving.

First, search engines crawl the Web to see what is there. This task is performed by a piece of software, called a crawler or a spider (or Googlebot, as is the case with Google). Spiders follow links from one page to another and index everything they find on their way. Having in mind the number of pages on the Web (over 20 billion), it is impossible for a spider to visit a site daily just to see if a new page has appeared or if an existing page has been modified, sometimes crawlers may not end up visiting your site for a month or two.

What you can do is to check what a crawler sees from your site. As already mentioned, crawlers are not humans 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’d better run the Spider Simulator below to see if these goodies are viewable by the spider. If they are not viewable, they will not be spidered, not indexed, not processed, etc. – in a word they will be non-existent for search engines.

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