Creating a website better than Facebook's mobile version is a significant undertaking, given Facebook's extensive features, user base, and technological infrastructure. However, I can guide you through the essential components that contribute to a successful social media platform:

  

1. User Profiles and Authentication: 

   - Develop a robust user authentication and profile management system. 

   - Allow users to customize their profiles, including profile pictures, cover photos, and personal information. 

  

2. News Feed and Content Sharing: 

   - Create a dynamic and personalized news feed that displays posts, images, videos, and other content shared by users and their connections. 

   - Implement options for various types of content sharing, including text, photos, videos, links, and more. 

  

3. Connections and Networking: 

   - Design a friend/connection system that enables users to connect, follow, and interact with each other. 

   - Incorporate privacy settings to control who can view posts and profile information. 

  

4. Posts and Interactions: 

   - Allow users to like, comment on, and share posts. 

   - Implement real-time notifications for interactions, such as comments and friend requests. 

  

5. Messaging and Communication: 

   - Create a messaging system that supports text, images, videos, and emojis. 

   - Integrate voice and video calling functionalities. 

  

6. Groups and Communities: 

   - Enable users to create and join interest-based groups and communities. 

   - Provide tools for group moderation and management. 

  

7. Events and Calendars: 

   - Incorporate an event creation and management system with reminders and RSVP options. 

  

8. Privacy and Data Control: 

   - Prioritize user privacy by implementing robust privacy settings and data protection measures. 

   - Allow users to control who can see their posts, profile information, and friend lists. 

  

9. Marketplace and E-Commerce: 

   - Integrate an online marketplace where users can buy and sell items within the platform. 

   - Implement secure payment options. 

  

10. Multimedia and Live Streaming: 

    - Enable users to upload, share, and stream videos and live broadcasts. 

    - Provide tools for content creators to monetize their videos. 

  

11. Analytics and Insights: 

    - Offer users insights into their posts' performance and engagement. 

    - Provide detailed analytics for business pages and content creators. 

  

12. Continuous Innovation: 

    - Stay updated with emerging trends in social media and technology. 

    - Regularly add new features and improvements based on user feedback and market trends. 

  

Building a website better than Facebook's mobile version is an ambitious goal. It requires a dedicated team, advanced technological infrastructure, and significant resources. Starting with a focused niche and gradually expanding features could be a practical approach to developing your social media platform.