Hello friends,

I would Like to know that How Many Technique Use In On Page Seo..?

On-Page Search Engine Optimisation
1. Page Titles
2. Meta Descriptions
3. Meta Tags
4. URL Structure
5. Body Tags (H1, H2, H3, H4, etc.)
6. Keyword Density
7. Image SEO
8. Internal Linking

ON Page SEO Techniques are:
Title optimization,
Meta Tags,
Alt Tags,
Image optimization,
Keyword Research,
Keyword Density,
Inter linking,
URL Structure,
Competitor Analysis. 

On page seo refers to the process that is followed on the website itself. Some of the tasks involved are:

Keyword research
Meta tags and title
Meta description
Robots.txt file
Sitemap generation
Content development
Image optimization

SEO Keyword:
Website analysis
Research keywords
Evaluate your competitors
Get started on optimizing our website
Introduce the website to the search engine
Followed by links to other websites