As a beginner, on page SEO can seem daunting, but with a clear guide, you can master it. Start by conducting keyword research to identify relevant and profitable keywords. Next, optimize your title tags, meta descriptions, and header tags with your target keywords. Create high-quality, engaging content that provides value to your audience, and optimize images and videos for faster page speeds and better user experience. Ensure your website is mobile-friendly and has an SSL encryption. Finally, fix broken links and monitor your results with tools like Google Analytics and Search Console.