SEM, or Search Engine Marketing, is a digital marketing strategy aimed at increasing visibility and driving traffic to websites through paid advertising efforts on search engines like Google, Bing, and Yahoo. Unlike SEO (Search Engine Optimization), which focuses on organic methods to improve search engine rankings, SEM involves purchasing ads that appear alongside search results or on relevant websites.

SEM campaigns typically operate on a pay-per-click (PPC) model, meaning advertisers only pay when users click on their ads. Advertisers bid on keywords relevant to their products or servic