Explore 10 lesser-known Express.js middleware tips - from pre-compressed static assets and conditional GETs to streaming uploads and route-level caching - to boost throughput and reduce latency in production apps.

A deep dive into WebRTC security: how it protects media, common vulnerabilities (IP leaks, signaling risks, misconfigured TURN), encryption techniques (DTLS, SRTP), and practical hardening recommendations for developers and ops teams.

A practical, beginner-friendly guide to the EyeDropper API: what it does, how to use it, fallbacks for unsupported browsers, accessibility considerations, and example code to integrate color picking into your web apps.

A practical guide for JavaScript developers who want to step into tech leadership - technical foundations, soft skills, and a 90-day action plan to get there.

Explore how the Function constructor (new Function) lets you create JavaScript functions at runtime. Learn syntax, practical use cases, scope implications, performance and security trade-offs, and safer patterns for dynamic code generation.

Learn how the WebCodecs API gives you low-latency, high-performance access to raw video frames and compressed bitstreams in the browser. This hands-on tutorial walks through building a live video effects demo using MediaStreamTrackProcessor, OffscreenCanvas, VideoEncoder and VideoDecoder.

Learn how to use the Screen Wake Lock API to prevent device screens from sleeping during critical tasks. This guide covers browser support, practical code examples (vanilla JS, TypeScript, React hook), fallbacks, UX considerations, performance tips, and real-world use cases.

Astro's partial hydration - the islands approach to shipping zero or minimal JS by default - lets teams build fast, interactive sites without sacrificing developer ergonomics. This article explains the concept, shows how Astro implements it, compares it to traditional hydration strategies, and provides practical guidance for adopting it.