What is on-Page SEO and off- Page SEO

On- Page SEO
It is primarily used in ranking, if you want to rank your website higher in google search you use on page seo. It is very important to continuously monitor the ranking through On page seo. You have full control over it what all yiu want to do with your website in On- page seo.
Various parts in On page SEO are:
Quality content
Title and heading of page
URL structure
Meta description tags

Off- Page SEO

Off-page SEO focuses on increasing the authority of your domain by getting links from other websites. It depends on another web page to improve your site rankings. It is not under your depends it depends on other websites to bring traffic.
It includes:
Social bookmarking
Guest blogging
Social media engagement