What is the difference between Onpage SEO & OFF page Seo?

Onpage :

• On-page SEO is designing the website in friendly way.
• On-page SEO concentrates on page content and the structure of the website.
• On Page optimization refers to work done inside your website like updating title tags, meta keywords and description ect.
• On Page Optimization is the activity that is done on the page for search engine ranking like using alt tags, keywords is meta tag, tool tip and proximity, keyword-density, proper usage of keywords in heading tags.
  
  

Offpage :

• Off-page SEO it gets the link from other linked websites back with reference to the keywords.
• Off-page optimization focuses more on your site's relationship with other sites.
• Off page optimization refers to work is done outside to your website ie linking your website to another website.
• Off Page Optimization is the activity that is done on other sites for our site to increase search engine ranking. Off Page Optimization activities include directory submission, article submission, forum discussion, blog posting, press release, blog commenting.