# Addy Osmani — How browsers work in 40 seconds

A 40-second animated explainer that walks one web request from typed URL to pixels on screen, alternating a hand-drawn storybook world with a dark blueprint view. A small red robot carries the data through every stage.

- Code: EX-0015
- Kind: Explainer
- Format: Feature tour
- Length: 40.0s · 20 beats · 30 beats/min · 17 hard cuts
- Industry: Developer tools, SaaS
- Style: Flat 2D, Characters, Mascot, Light UI, Dark UI, Technical, Music-led, No voiceover
- Original: https://x.com/addyosmani/status/2103009037164110327
- Full breakdown: https://cutmap.co/v/addy-osmani-how-browsers-work-in-40-seconds

## The breakdown

The full breakdown has eleven sheets: Snapshot, Opening, Structure, Timeline, Rhythm, Look, Movement, Sound & words, Why it works, Production, Build brief. It is available to Cutmap Pro members at https://cutmap.co/v/addy-osmani-how-browsers-work-in-40-seconds.