"SEM" or "Search Engine Marketing" is used for gaining the visibility when searching the target keywords in the search results of online search engines. It is an effective internet marketing to drive visitor to the websites.
Example of search result by the keyword "rent a car japan"
SEO is a method to improve the ranking of website on "Organic Search" or "Natural Search" of search engine by optimizing the website according to the search engine's algorithms and adding quality backlinks.
(Read More : What is SEO (Search Engine Optimization)?)
PPC is the advertising on the paid search listing of the result pages by biding keywords. The website can be ranked on the top of results easier and faster than SEO, but there is a cost when the advertisement is clicked.
(Read More : What is PPC (Pay Per Click)?)
AUN Thai have professional SEM services for both SEO and PPC as total solutions on search engine marketing in Thailand.