#Websocket

I am building a real time app that also has a group chat. I will need a websocket connection for this, which introduces complexity at the system level for scaling, but that's not the point of this post.…

The short version A WebSocket is a connection that stays open between the browser and the...

Learn how to control LED matrix signboard via web using ESP32, how to send the text via web to ESP32 and display it on the LED matrix.

Vercel Functions can now accept WebSocket connections, enabling bidirectional communication between clients and server-side code on Vercel.

Vercel Functions written in Python can now accept WebSocket connections, enabling bidirectional communication between clients and server-side code on Vercel.

AI Gateway now supports WebSocket mode for the OpenAI Responses API, with persistent connections, previous_response_id continuation, and realtime voice sessions.

Deploy a Bun.serve() server, including its native WebSocket handlers, as a Vercel Function via a server.ts at your project root with the Bun framework preset.

WebSocket support in Vercel Functions, used for multiplayer apps, chat streaming, and AI Gateway's realtime models, is now GA.

Building a SPA (Single-page Application) is a complex puzzle: a JavaScript framework that draws the view, an API serving JSON, and 2 independent…

A controlled benchmark on a real collaborative app: Phoenix LiveView vs Rails 8 Hotwire. HTTP throughput, WebSocket speed, memory, and code cost — with actual numbers from CI.

CVE-2026-44578 lets attackers steal cloud credentials from self-hosted Next.js apps. Vercel-hosted apps are safe. Here is how to check and patch yours now.

WebSocket provides low-latency, bidirectional communication between clients and servers. It is a...

From Dev.to - nodejs: Building Scalable Real-Time Applications with WebSockets and Node.js

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From Dev RSS Feed: What Broke After 10M WebSocket Events — How We Rebuilt a Realtime AI Orchestration Layer

If you’ve been in the Node.js ecosystem for a while, you know the ws library is the bedrock of...

The problem with polling market data If you’ve ever tried to fetch live US stock prices...

If you build forex data pipelines, trading bots, or market integrations, you’ve likely run into a...

From Dev.to - python: Free vs Paid Financial APIs: A Selection Roadmap for Individual Quants, Startups, and Enterprises

As a FinTech tech lead, I’ve onboarded several real-time market data feeds for US equities. The...