Smaller is Faster (and Safer Too)
We have just started using a new compression algorithm called Courgette to make Google Chrome updates small. — We have built Google Chrome to address multiple factors that affect browser security. One of the pillars of our approach is to keep …
Context & Ripple Effects
This post is Google laying out its own logic: Chrome was built around multiple factors affecting browser security, and one declared pillar is keeping the browser patched fast. The obstacle to that pillar has always been logistical — every patch ships as a download, and big downloads mean slow adoption. Courgette, the new compression algorithm introduced here for Chrome updates, is Google's attack on that last mile.
First-order effects
- Chrome users, including those on slow connections, receive each security patch as a far smaller download, shrinking the window between a fix shipping and it being applied.
Second-order effects
- Cheaper-to-deliver updates make frequent, near-silent patching practical for Google, raising the bar rival browser makers must meet on their own update mechanisms or be visibly slower to secure their users.
Third-order effects
- If update size stops being the bottleneck, browser security shifts from periodic major releases toward continuous small-diff delivery, turning the update pipeline itself into core security infrastructure rather than a distribution chore.
The trend: Browser security is becoming a shipping-cadence competition, where whoever compresses and delivers patches fastest defines how quickly the whole category can respond to vulnerabilities.