It is important to understand the difference between the two terms and that they are different.
In this post, I will help clear up this issue with some frequently asked questions that I have heard from others. SEM, or search engine marketing, is a marketing tactic where a marketer optimizes and advertises their website in order to appear higher in search results.
The goal of Search Engine Optimization (SEO) is to increase the number of website visitors by elevating the site’s position within results returned by a search engine. This is done by continually optimizing the site to rank higher. Because of Google’s ever-changing algorithms, SEO tactics are always changing, too.
SEO is about optimizing your website to get higher rankings in the organic search results while SEM goes beyond SEO. It involves other methods that can get you search engine traffic like PPC advertising.