Nowadays, SEO and PPC are two essential marketing strategies. So, it is vital to first understand the difference between these two most popular approaches. SEO or search engine optimization is an organic or non-paid procedure of marketing that helps build site authority with some other benefits. PPC or pay per paid campaigns are more straightforward as a business running a PPC campaign pays for clicks, impressions or customer acquisitions. Read more at:  https://www.business2community.com/online-marketing/seo-vs-ppc-how-to-choose-whats-best-for-your-business-02162097

Search Engine Marketing (SEM) consists of different techniques to connect a search engine's technology. SEM include SEO and PPC (Pay-Per-Click) ads. SEO and SEM are often used interchangeably. But, SEO is a subset of SEM. The question here arises that what is the difference between SEO and SEM. SEO's aim is to provide organic search results for free while with SEM, search are not always be free as it uses paid ads for the certain keywords on search engine results page. Read more at: http://www.socialmediatoday.com/content/what-main-difference-between-seo-and-sem