The Developer Tools Podcast with Fexingo · 2026-08-04 · 8 min
Most developers reach for WebSockets when their app needs real-time updates. But for a huge class of use cases, long polling stays simpler, more robust, and far easier to scale. In this episode, Lucas and Luna dig into a real-world example: a ride-hailing app that ditched WebSockets for long polling after their infrastructure kept crumbling. They explain how long polling works, why it beats WebSockets for many server-driven scenarios, and when it's actually a bad idea. You'll learn the precise trade-offs between connection management, latency, and load, and how to use HTTP caching to make long polling even more efficient. Whether you're an engineer building your first real-time feature or a tech lead choosing between protocols, this episode gives you a concrete mental model. Plus, Lucas shares the one question he always asks before choosing a real-time strategy - it'll change how you think about the problem.