What is the difference between SEO and SEM?

What is the difference between SEO and SEM? I already know a lot about SEO but have not really heard that much about SEM. What does SEM do? Is SEO a part of the whole SEM process?

There are two ways to get people to your website. SEO is like putting up a colorful sign to attract customers for free. SEM is like paying a friend to yell out how great your stuff is to get people to come right away.

SEO and SEM differ primarily in their approach to online marketing. SEO centers on refining a website to boost organic search traffic, while SEM encompasses both organic search optimization and paid advertising to drive traffic. Both SEO and PPC are effective strategies for promoting your business on search engines.

  • Make a cool sign (SEO) to get crowds people for free, or
  • Pay someone to sensitize your products (SEM) to get customers fast.

Make decent signs (SEO) to attract people for free, or Pay someone to highlight your things (SEM) and get customers fast.

Make a cool sign to attract people for free, or Pay a friend to yell about your staff and get customers fast. as you can see they are almost the same thing.