Search engine optimization has grown as the best way to earn money online. Constant hard work and experience will count on you for making money online. For promoting a website SEO has to perform a lot of tasks. You can initially start promoting the website by writing articles for them. Content writing is one of the best choices to increase the rating of your website. Choose the appropriate content and keywords. Keyword selection is very crucial as far as SEO is concerned. Increase the keyword density. The proximity of the chosen keywords should also be maintained. This can result in rapid indexing of that particular site.