Technologies commonly used include HTML, CSS, JavaScript for front-end development; server-side languages like Python, Ruby, PHP, or Node.js for back-end development; databases like MySQL or MongoDB; and video streaming technologies like FFmpeg and CDN services for content delivery.

The first steps include conducting thorough market research, defining your target audience, and outlining your website’s core functionalities. Following this, you need to secure domain registration and hosting, then focus on UI/UX design, and begin front-end and back-end development.

The cost can vary widely based on features and scalability. Typically, it ranges from $50,000 to $500,000, covering domain registration, hosting, UI/UX design, front-end and back-end development, video streaming infrastructure, security measures, payment gateway integration, testing and quality assurance, maintenance, and marketing.

UI/UX design is critical as it directly impacts user engagement and retention. A user-friendly, visually appealing interface ensures that visitors can easily navigate the site, find content, and have a positive overall experience.

Video streaming infrastructure involves systems for encoding, transcoding, and delivering video content via CDNs. It is essential for ensuring smooth, high-quality video playback, reducing buffering times, and providing a seamless viewing experience for users globally.