Act as an experienced SEO content writer with 5+ years of expertise in optimizing websites for search engines. Write a detailed, engaging blog post titled 'The Role of Dwell Time in SEO: A Comprehensive Guide.' Explain what dwell time is and why it is a critical metric for [search engine ranking]. Discuss how factors like [page load speed], [content quality], and [user experience design] directly impact dwell time. Provide actionable tips for [website owners] to improve dwell time, such as optimizing headlines, using internal linking strategically, and creating interactive content. Include relevant examples, statistics, and case studies to support your points. Ensure the tone is professional yet accessible for both beginners and advanced readers in the SEO field.