Search engine optimization is the way in which you can increase the number of people visiting your website thereby also increasing the chances of having more customers buying your products or services. Just like any other field SEO is also booming and a lot of companies are using this method to increase the traffic to their websites and are profiting from it.
Keyword is an important term in any SEO process. A keyword is the word that is used by people all over the world to search some topic. A good SEO specialist would be able to tell you the hits per keyword for their field of expertise. Any word that is searched for more than a particular number of times say maybe a thousand times or more in a month can be considered as a good keyword.
When a person types a keyword in a search engine and presses the enter button, the search engine searches all throughout the internet for relevant websites and gives you a list. The website on the top of the list would that which was recently updated and has high quality content. To get your website to the top spot is where the challenge lies. You should have good articles that are relevant and have to be updated frequently. When more people are visiting your website you have a higher chance of selling a product or service. This is the basis and the primary reason why SEO is making headlines.