Search Engine Optimization is the process of increasing your websites visibility to search engines through distinct steps may be via. getting links from other websites, powerful content on our web pages. SEO is all about boosting your site’s rank in organic searches. PPC campaigns are paid listings. (SEO) and Pay Per Click (PPC) are quite different in a way that traffic coming from SEO is free while traffic generated from PPC is not free you have to pay a cost per click. This is also the reason why you may sometimes see the terms organic search engine listings and paid search engine listings.