How is SEO different from SEM? There is no main difference per se, as SEO is simply a narrower discipline of SEM. SEO’s primary aim is to provide natural, organic search results for free. With SEM, things may not always be free as it uses paid ads for the certain keywords on search engine results page. What is the Difference between SEO vs SEM. 📍 You can clearly see the word “Ad” on top of the search result when it is under SEM. 📍In SEM, you pay for clicks or impressions ......See More