jampack
The premium Open Source alternative to Cloudflare Polish
🎯 Best for:Static site owners needing automated performance tuning.
What is jampack?
A build-time tool that optimizes static websites by compressing images, inlining critical CSS, and rewriting HTML. It functions as a framework-agnostic post-processor to maximize Lighthouse scores automatically.
Tech Stack
TypeScriptDevOps & CI/CD
Why jampack?
- • Framework agnostic
- • Zero-config image optimization
- • Significant Core Web Vitals improvement
Limitations
- • Increases CI/CD build times
- • CLI-only interface
- • Potential for layout shifts if misconfigured
2/25/2026
Last Update
27
Forks
16
Issues
MIT
License
Financial Leak Detected
Stop the "SaaS Tax"
Your team could be burning cash. Switching to jampack instantly boosts your runway.
Competitor Cost
-$1,440
/ year (est. based on Cloudflare Polish)
Self-Hosted
$0
/ year
Team Size10 Users
150+
SAVE 100%