What Is SEM? SEM (Search Engine Marketing) is the process of gaining website traffic by purchasing ads on search engines.
Below are some of the most common terms also used to refer to SEM activities:
- Paid search ads
- Paid search advertising
- PPC (pay-per-click) *
- PPC (pay-per-call) – some ads, particularly those served to mobile search users, may be charged by the number of clicks that resulted in a direct call from a smartphone.
- CPC (cost-per-click) *
- CPM (cost-per-thousand impressions) *
- Most search ads are sold on a CPC / PPC basis, but some advertising options may also be sold on a CPM basis.