Two types are there in SEO
ON page SEO is customizing the web page (Landing page design)
Putting the right title, good meta description, image size, page loading time and some other stuff falls under ON-page SEO.
OFF-page SEO means creating backlinks from third party sites referring to our domain. The site you are going to create a backlink must have high Domain Authority, Page Authority.
Two categories or practices are available in SEO.
- Black Hat SEO
- White Hat SEO
- Grey Hat SEO
Black Hat: The name itself explains. Black Hat SEO is the practice against the search engine guidelines.
White Hat: Practice following the search engine guidelines.
Grey Hat: Combination of both white and black hat SEO.