Everything you see — layout, animations, responsive design — fits in 14,600 bytes. One initial congestion window. Zero round trips.
The first thing a server sends is limited by TCP's initial congestion window — 10 segments of 1,460 bytes.
Most websites blast megabytes across dozens of round trips. This page proves a single TCP window can deliver a complete, polished experience.
No frameworks. No fonts. No images. Just HTML, CSS, and a few lines of vanilla JS — built with Bun and minified into a single file.
A live breakdown of this page's weight.
What makes it possible.
System font stack, CSS custom properties, vanilla JS. No framework, no library, no polyfill.
Bun bundles HTML, CSS, and JS into one file. Inlined and minified. No external requests.
Every declaration earns its bytes. Scroll reveals via IntersectionObserver, not a library.
No custom fonts. No images. No framework. No analytics. No cookie banner. Turns out most of the web's weight is things users never asked for.This page — weighing 14,107 bytes
View source, fork it, beat it.
Open DevTools, check the Network tab. One request, one response, everything you see.
View on GitHub