Hilmi Baycan·5d agoWe built a chat app on S3. Three things surprised us.Customers keep asking us the same question: can I build a chat app on S3? So this week we built one on CDNTR, our CDN and cloud platform…
InTowards DevbyMr Madhukar·5d agoWebSockets vs HTTP: When Should You Use Each?Why HTTP can’t push, how polling and SSE work around it, and when WebSockets are worth their cost.A response icon1A response icon1
InUnderlying LogicbyBestte·5d agoThe Hidden Cost of Making Everything Real-TimeLive updates feel like a product improvement. Behind the interface, they can quietly become an architectural commitment.
Christopher Ogbosuka·6d agoYour Server Needs to Talk. Does Your Client Need to Talk Back?When SSE is enough, when WebSockets make sense, and how to tell the difference — a practical guide.
InProduction ReadybyAnupam Sinha·6d agoDesign a Chat App for Millions of Users (Interview-Ready, With Code)Design a real-time chat system that handles millions of concurrent messages using WebSocket for real-time delivery, Kafka for fan-out, and…A response icon1A response icon1
TradeDeck·6d agoControlling MetaTrader 5 from a phone: an architecture that survives bad mobile data.WebSockets, compression, “connected but silent”, and why a trading command must never be sent twice.
RaftLabs·Nov 4Why Discord scales while most chat apps failDiscord is not a chat app. It is a real-time community operating system built on WebSockets, SFU voice infrastructure, and a strict…
sac·Nov 3The Open Back Door: How an Outbound Tunnel Walks Right Past Your FirewallA corporate firewall can watch every door — and still miss the one your own device quietly opens from the inside. Here’s how WebSocket…
Faisal Mujtaba·Nov 2I Moved Our Hocuspocus Server Into a Next.js Route Handler. Here’s What Broke First.WebSockets in Vercel Functions went GA, so I deleted the box we’d been babysitting. Two people in one document stopped seeing each other’s…
InEngineering Under PressurebyThe Turtle Code·Nov 1WebSockets at Scale: Connection State, Fan-Out, and Reconnect StormsA trading dashboard shows prices in real time. A collaboration tool synchronizes edits between users. A support platform updates…
