Guided Practice, learn HTML, CSS, JavaScript & Python by doing

Practice grounds

Step-by-step coding exercises with instant checks, hints when you need them, and XP as you go. Everything runs in your browser, nothing to install.

Pick a track

Five paths, real code

Each track is a sequence of exercises that build on each other. Your progress saves as you go, and follows your account when you sign in.

Headings, links, lists, tables, and forms. Build real pages tag by tag.

Colors, cards, hover states, flexbox, and grid. Style pages you can see change live.

Variables, loops, functions, and arrays. The language of every browser.

From print() to list comprehensions, running real Python in your browser.

Averages, counting, sorting, and your first pandas DataFrame, all with real datasets.