SEM (search engine marketing)

Search Engine Marketing” was once was used as an umbrella term to encompass both SEO (search engine optimization) and paid search activities. Over time, the industry has adopted the SEM acronym to refer solely to paid search

At Search Engine Land, we generally use SEM, PPC and/or “Paid Search” to refer to paid listings, with the longer term of search marketing used to encompass both SEO and SEM. Below are some of the most common terms also used to refer to SEM activities: