Is there is any difference between On page seo and on site seo and how it is different from?

On-page SEO is the process of optimizing website content to more friendly to the Search Engine, it is fundamental and long-term decisions in SEO services.

On-site SEO optimization method of basic performance on the site and the biological factors in the article search engine optimization. At the structure level of On-Site Seo is understood as the optimization including but not limited to the web page title, meta tags, URL structure, and XML sitemap. When developing content you must do to optimize the title tag, URL of every page, alt tags are used for the image, and the keywords used in each article.