Onpage SEO steps:-

1. Choose your target audiance.

2. Dont buy new domain.

3. If you planing for new web choose domain name carefully.If your web is regional, included name of region and extention .uk ,us.

4. Mke your website sinple and good navigate.

5.Check W3 compability of web.

6. Observe your competiter website. and comparie with your web site.

7. Spent on time Keyword research.

8. Your site map must be Search engine firendly.

9. Title is very attractive.

10. Write and add meta tags with keywords.

11. Write robot file if you do not want crawl your site.

12. Write H1 and H2 headings.

13. Study on Keywords with software essential.

14. Your content must be original and attractive.

15. Use PDF files.

This is steps in SEO, i hope my hub is helpfull to you.