How many type of SEO

How many type of search engine optimization?
In web marketing basically two types of SEO is available
Off-Page Optimization and On-Page Optimization

Off–Page Optimization: - Off–Page Optimization include all kinds of ranking factor which must be available in your webpage. Following factor must be including in the webpage if you want to batter search engine ranking.

On-Page Optimization: - On-Page Optimization includes those who make your webpage search engine friendly. This includes