I built Zoom in a weekend with WebRTC. No, you didn't.

5 Jun 2026 · 1 min

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In this interview segment, the speakers discuss the deceptive simplicity of building WebRTC demos versus the complexities of deploying production‑grade real‑time communication applications. Speaker A emphasizes that while a basic peer‑to‑peer WebRTC setup can be cloned from GitHub and run in a weekend—giving the false impression of a "Hello World" Zoom clone—real‑world deployments quickly encounter problems such as missing TURN servers, NAT traversal issues, and scalability constraints. The conversation stresses that successful WebRTC implementations require a deep technical understanding, continuous monitoring of application and user behavior, and strategic optimizations tailored to specific use‑case scenarios.

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So there are different types of, um, strategies that you can go in different scenarios within your use case to do specific optimizations. And these require you understanding the technology really, really well, and also monitoring and understanding the behavior of your application and your users so that you can over time continue and optimize it as you move along.
Would you say then WebRTC is challenging to implement correctly?
Yes, definitely. Definitely. The reason is that it is really, really easy to build a demo with it. Getting something to work is
really simple. Just building that first edition is not so hard.
No, you go to GitHub, you download something, you run it and it works. It's that simple. You'll see a bunch of people saying, I took a project in my
weekend
to build with WebRTC, I've built Zoom. No, you didn't. It does peer-to-peer. There is no TURN server. It's nothing. It's like Hello World in WebRTC. That's fine, but let's call it what it is. So it's really easy to build these things. But when you go to production, everything just breaks because of multiple reasons that you just didn't understand what it is that you're doing because it is so simple.