Top 5 On-Page SEO Factors:
1. Mobile responsive: Ensure your site is optimized for mobile devices.
2. Website speed: Make sure your site loads quickly and efficiently for users.
3. Keyword at the start of your title tag: Get your target keyword into your headline, preferably towards the start.
4. Internal links: Create internal links between this page and the other relevant pages of your site.
5. Length of content: Make sure your content is as long and as in-depth as possible.