The document lists the top 5 reasons why patients are leaving websites, including: a lack of clear calls to action and forms, lack of professional video, lack of patient testimonial videos, lack of social media integration, and lack of customized content and optimized web pages. Engaging visitors with these elements like video, social media, and custom content can help convert more visitors and build trust. The document then provides further details on each of the 5 reasons and tips for implementation.