Learn how to make your layouts adaptive, efficient, and event-free with the Resize Observer API. Introduction Have you ever written a…

From reminders to real-time alerts, here’s how to use the Push API like a pro (without relying on Firebase or…

Learn how to use the browser’s Push API and Service Workers to send real-time notifications, no Firebase, no third-party tools…

Make your web app load faster and work offline by caching files directly in the browser, no fancy setup needed. Introduction…

Learn how browsers store and serve your app’s assets locally so users get lightning-fast load times, even without an internet…

Built into every modern browser, the Cache API can make your fetch requests 10x faster, yet most developers never use it….

If you’ve ever seen “blocked by CORS policy” in your console, this post is for you. Let’s decode the 3…

Stop fighting mysterious CORS errors, learn how Cross-Origin Resource Sharing actually works, why browsers enforce it, and how to fix…

Stop guessing and start understanding. Here’s the real reason your cross-origin fetch requests are being blocked (and how to fix…