“Search marketing is the process of gaining traffic and visibility from search engines through both paid and unpaid efforts.” SEM encompasses SEO & Paid Advertising in which SEO is the practices of earning traffic through unpaid or free listings while Paid Advertising is buying traffic through paid search listings.
SEM includes components of paid search, such as PPC and also SMM (social media marketing).
Benefits of Search engine marketing: Increase brand awareness and brand equity of product. SEM grabs the attention of your audience at the right time . Increase in web site traffic.