How SEO helps to increase the website ranking?

[Jeffreyhooft]

SEO stands for Search Engine Optimization; it is the method of increasing the amount of quality and the amount of traffic that goes to a web site via the search engines like Google or Yahoo rather than natural traffic results.

[Evgenyolk]

In my opinion, SEO stands for “search engine optimization. It is a process from which we can find and rank our site higher than the millions of other sites. It helps to generate a unique identity of a website. It can find free traffic from search engine.

[nick247]

SEO is used for creating backlinks as the name suggests it is good for optimization of any website. Using SEO technique we drop our signature in high page rank and niche related sites, these backlinks work as an interface between user and website. SEO provides more visitors to your website. As visitor increase page rank also gets increased for your website. It helps to increase your websites quality and popularity.
You can redirect visitors from other high page ranked website to your website.