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Scaling a Frontend-Only Tool to 100K Concurrent Users (Without a Backend)

This story is from 2026-10-08. It is preserved in the archive; the latest stories are on the live feed.

Most developers assume that scaling requires a backend. A database. Load balancers. DevOps nightmare. I built a tool that handles 100K concurrent users without any of that. It runs entirely in the browser. Here's how, and why it matters for your next project. The Challenge When I first launched Gro…

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  1. 2026-10-08 13:10 · DEV Community — AI
    Scaling a Frontend-Only Tool to 100K Concurrent Users (Without a Backend)

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