Learn to build for the web, one finished page at a time

Every lesson is a small, complete project you can open in a browser, plus the teaching notes for how to build it from nothing. No accounts, no installs, no build step — just HTML, CSS, and JavaScript in files you can read.

Courses

10 lessons

Basic Web Development

Learn HTML, CSS, and JavaScript by building small pages.

Geological Wonders · Zoo Webpage · Times Table Grid

4 lessons

Make a Platformer

Build a scrolling jump-and-run game from rectangles.

The Game Loop · Gravity and Jumping · Platforms and Collisions