SEO - SEM - SMM

• Search Engine Optimization ( SEO ) has come to mean a lot of things to a lot of different people. In the strictest sense, SEO is about the on-page and off-page design strategies you can use to improve your search engine ranking.
• SEM (Search Engine Marketing ) includes PPC ( pay-per-click advertising ) and Search Engine Optimization (SEO). SEM means not only that you make the needed changes to your web-site design, but that you also employ other tactics, like using a paid advertising program or investing in content strategies.The ultimate goal of SEM is to bring more people to your website.
• Social media is a viral form of sharing information on the Web. You might think of it as a more sophisticated method of sharing your favorites or information that you think will interest other people. And using social media to improve the traffic to your web site is called Social Media Marketing ( SMM )