Search engine marketing (SEM) is a form of online marketing that involves the improvement websites by increasing their visibility in search engine result page(SERPs) principally through paid advertising.SEM may consolidate search engine optimization (SEO), which modify or rework website content and site manufacture to achieve a higher ranking in search engine results pages to increase, pay per click (PPC) listings. The difference between SEO and SEM is simply that Search Engine Optimization is part of Search engine marketing or Search marketing as it is generally known. Both operations aim in increasing visibility in search engines. It includes other methods that can get you more search engine visitors like PPC advertising.

SEM can be cut up into two categories: organic and paid. Both are important. As you might expect, organic SEM is a natural way to upgrade your ranking in search engines and therefore drive traffic to your website. The most common form of organic SEM is search engine optimization (SEO).