SEO and SEM

[sangeetanegi]

What are the difference between SEO and SEM ?

[Daljeet]

SEM is a form of Internet marketing that involved the promotion of websites by increasing their visibility in search engine results pages through optimization and advertising. SEM includes SEO tactics, as well as several other search marketing tactics.

[alka]

The difference between SEO and SEM is simply that Search Engine Optimization is part of Search engine marketing or Search marketing as it is widely known.