what is scop of seo and discribe of on page seo technique?

[Aparna]

SEO is an inevitable process when you try to rank your website high. Managing to reach the top position of search engines, among those huge established brands, certainly needs SEO and it's never going to die any nearer.

On-page SEO is done primarily to favor the search engine to easily crawl your website and index it, allowing it to rank high. 

Factors considered for Onpage Optimization are:

Page Speed, Choosing Right Keywords, perfect META data, providing standard Page URLs, Images included for alt tags, Header Tags in the proper place, Canonical Issues, Incorporation of Analytics tools to pages, Sitemap set-up, Proper website link navigation, proper placement of Robots.txt and Proper hyperlinking of Outbound links.