On page Optimization SEO is the process of modifying website user friendly and search engine friendly.

User friendly means easy to read content of website and get information, which user want.

Search engine friendly means creating website for search engine like (Google, Yahoo, Bing etc.)

Some of the On-page factors below to make SEO and User Friendly website.

1. Head Section Order

2. Title Tag

3. Description Tag

4. Keywords Tag

5. Heading Tags

6. Overall Word Count

8. Dashes vs. Underscores in URLs

9. Fully Qualified Links

10. Make JavaScript/CSS External

11. Site Map

12. Text Navigation

13. Make Robots.txt File

14. Keyword Strategy

15. Web Analytics

16. Linking Strategy

17. Server Configuration

18. Privacy Statement

19. Static Pages

20. Static Index Pages

21. Use Text over Images

22. Ensure No SPAM Tactics

23. Check for Duplicate Content

24. Set Up a Webmaster Tools Account for Google and Bing

25. Check Crawl Errors Reported

26. Review Mobile Usability Issues

27. Check for Manual Penalties Reported

28. Analyze Your Site Traffic Against Known Google Algorithm Updates

29. Improve Site Speed and Performance