Seo is helpful to increase the traffic on the website.Seo main relay on the back links of the sites.If the back links are off good quality then site will be in good rank within few days.Good quality back links are generated when you submit the site title,description and keywords on high page rank si...

Due to seo your site is rank up on google ranking with your site keywords and when people search your site relevant keywords then your site will show to them first and remaining after them.So people prefer your site not the remaining site.