Search engine optimization or SEO is basically the process of enhancing the quality and volume of website traffic to an internet site or a web site from search engines such as Google. SEO aims at organic traffic, not paid traffic or direct traffic.

It is an industry that is growing rapidly because of the increasing demand for search engine optimizers and SEO professionals in today’s world. The major difference between SEO and other marketing techniques is that SEO aims at getting a higher ranking in search results by means of various techniques such as keyword research, site optimization, link building, meta tags, coding, and web content writing. Some of these techniques can be automated while others require human intervention.
Many websites or web sites are using paid SEO services to get better ranking in search results. These SEO companies offer several services such as link building, link exchange, directory submission, and directory submission service. The major purpose of these SEO companies is to make sure that your website or blog gets on top of the lists of the major search engines such as Google, Yahoo, Bing, etc.
If you want to have high quality of traffic, you have to optimize your website for the search engines. SEO professionals know what it takes to promote a website successfully in the search engines. They ensure that your website has relevant keywords, which are often difficult to come up with when done manually. This will allow them to get a higher rank in search results and thus get more targeted traffic to their website. If you are an amateur in this field, you can choose to focus on a particular niche or specific topic in order to optimize your website.
There are many SEO companies that offer SEO services. These SEO companies use different methods to promote a website and help it get higher rankings in search results. Some of the most common methods include paid inclusion, directory submission, article marketing, social media marketing, link building, link exchange, article marketing, blog commenting, and article directory submission.
The most popular technique used by SEO companies is link building. Link building is where one website links to another website. SEO companies generally get a link from other relevant websites and this helps them gain popularity in the search engines and thereby giving them a higher ranking in the search results. One way link building is done by writing articles, submitting them to article directories, submitting to various blogs, creating back links, and participating in forum discussions.