How the Internet Works

What actually happens when you open a website or send a message? Learn what networks are, how the internet connects networks around the world, how data travels in small packets through routers, and the difference between the internet and the World Wide Web.

Tutwoo Kids is an independent learning service. This course is not affiliated with or endorsed by the Department for Education, Ofqual or any exam board, and Tutwoo Kids certificates are not qualifications. Content was checked against the national curriculum for England in October 2026.