1. The standard: React + Firebase + TMDB
The most common architectural pattern for a Netflix clone involves using React for the frontend, Tailwind CSS for the dark-mode aesthetic, Firebase for user authentication and watchlists, and the TMDB API to fetch movie metadata and posters. The best clones accurately replicate Netflix's horizontal scrolling carousels and the hero-banner trailer playback. However, they usually fake the video streaming part, merely embedding YouTube iframes of the movie trailers.
2. Next.js App Router Evolutions
More advanced clones have migrated to Next.js using the App Router. By utilizing React Server Components (RSC), these projects can fetch the heavy TMDB data on the server side, resulting in near-instant page loads. They leverage Next.js Image optimization to compress the hundreds of poster assets on the screen simultaneously, severely reducing the initial JavaScript payload.
3. Integrating Real Video (Like FluxPlays)
The absolute best Netflix clone projects graduate from faking streams to integrating real video utility players. By building custom HLS.js wrappers or utilizing modern HTML5 video pipelines, a backend developer can feed direct Google Drive URLs or S3 bucket URLs into the custom player. This bridges the gap between a visual frontend portfolio piece and a functional, streaming web application.