// freeCodeCamp · 29 May 2026

How Declarative Partial Updates Work in HTML

HTML has always supported streaming. The server doesn't need to build an entire page in memory before sending it to the browser. It can send the initial HTML first, then send more chunks as each chunk

freeCodeCamp

@freecodecamp · Sumit Saha

www.freecodecamp.org

freeCodeCamp@freecodecamp