Can someone help me on On-Page SEO?

How to add these activities on the website.

Add sitemap,
Add Google Analytics,
Keyword research
Add the title of Goal,
Add keywords Meta,
Verification of content duplication
Add meta descriptions,
Add fresh content (because content is the king of SEO),
Add file Robot.txt,
Add friendly URLs for SEO (which means readable URL)
Cleaning and optimization of HTML code
Add heading tags like H1 and subtitles like H2,
Do not forget to make the website responsive,
Check the speed of the site,
Optimization of the image
Google Penalty Check