What is the difference between SEA, SEO and SEM ?

SEM, SEO et SEA are all English acronyms. Even though they look alike, they are about different topics and it is important to distinguish them.

SEO = Search Engine Optimization. It is about optimizing your website so it appears in the natural search engines results.

SEA = Search Engine Advertising, unlike the previous definition, it is about optimizing the results of sponsored links (paid links)

SEM = Search Engine Marketing, to make it simple: SEM = SEO + SEA, it includes all the techniques that allow you to optimize your visibility on search engines.

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