Search Engine Optimization is the technique to promote a website. Basically it has the important aspects by which a proper web promotion is done.

1. On Page Optimization 
2. Off Page Optimization

Both the aspects have its own values to it, but talking about the Off page optimization techniques then this is the application which is done at the back end of the website to promote it. This process has diverse policies than On-page optimization techniques. The major process in Off-page optimization is to obtain back links in order to achieve high page ranking in search engines. The most important method is to get maximum inbound links on the website. Search Engines like Google and Yahoo show two types of effect on their SERP (Search Engine Result Page)

• Natural non-paid results.  

• Pay Per Click Campaigns

Pay per Click Campaigns is listed when advertisers reimburse Google to get listed based on viewers clicks on their ad links. Natural link builders do the SEO techniques to gain top page ranking on the search engines. Inbound links should be relevant to your website. Each back link is measured as a ‘vote’ to your website in front of search engines, and if it’s linked from a related website of yours then it is considered as best inbound link. If your website gets back links from relevant websites, then your website will rank better in search engines. And it directly affects on your SERP, which is considered as a report card of your website, thus it is very essential to get relevant back links.