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Caddy vs Unicorn: What are the differences?
What is Caddy? The HTTP/2 Web Server with Automatic HTTPS. Caddy is a production-ready open-source web server that is fast, easy to use, and makes you more productive. HTTP/2 and HTTPS by default.
What is Unicorn? Rack HTTP server for fast clients and Unix. Unicorn is an HTTP server for Rack applications designed to only serve fast clients on low-latency, high-bandwidth connections and take advantage of features in Unix/Unix-like kernels. Slow clients should only be served by placing a reverse proxy capable of fully buffering both the the request and response in between Unicorn and slow clients.
Caddy and Unicorn can be categorized as "Web Servers" tools.
"Easy HTTP/2 Server Push" is the top reason why over 2 developers like Caddy, while over 80 developers mention "Fast" as the leading cause for choosing Unicorn.
Caddy and Unicorn are both open source tools. Caddy with 22.7K GitHub stars and 1.79K forks on GitHub appears to be more popular than Unicorn with 1.35K GitHub stars and 249 GitHub forks.
According to the StackShare community, Unicorn has a broader approval, being mentioned in 176 company stacks & 55 developers stacks; compared to Caddy, which is listed in 14 company stacks and 5 developer stacks.
Pros of Caddy
- Easy HTTP/2 Server Push6
- Sane config file syntax6
- Builtin HTTPS4
- Letsencrypt support2
- Runtime config API2
Pros of Unicorn
- Fast81
- Performance59
- Web server36
- Very light30
- Open Source30
- Rack http server27
- Load balancing18
- Great process management14
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Cons of Caddy
- New kid3
Cons of Unicorn
- Not multithreaded4