To understand the difference between SEO and SEM we must first know what is the function and purpose of these two very important driving forces in the world of online marketing.
Search engine optimization or SEO is a methodology or process of strategies, techniques, and tactics employed to increase the number of visitors to a website. This is possible when by obtaining a high-ranking placement in the search results page of a search engine (SERP).
What is SEM?
Search Engine marketing or SEM is one of the form of Internet marketing where promotion of websites is done by increasing their visibility in search engine results pages (SERPs) and in most cases it done through paid advertising.
Why is SEM traffic important?
Search Engine Marketing traffic is considered the most important of Internet traffic primarily because it is targeted and unlike SEO businesses have the serious monitor investment in this process because when searchers b click on an ad, they are more likely to convert. And That makes the SEM traffic more valuable than any of the other sources.