🆚 Caddy vs. HAProxy

Caddy is an open-source multi-platform web server written in Go with built-in support for automatic HTTPS and modern web protocols.

It supports automatic TLS management with providers such as Let's Encrypt and ZeroSSL, includes a built-in reverse proxy with load balancing, offers configuration through the human-readable Caddyfile or a JSON-based REST API, and features a modular architecture that can be extended with plugins.

HAProxy is an open-source load balancer and reverse proxy for TCP and HTTP-based applications.

It provides multiple load-balancing algorithms, TLS/SSL termination and certificate management, Lua scripting, a runtime API, hitless reloads, and built-in metrics for Prometheus.

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Popularity

Determined by the number of sites using each technology.

• ⭐ 4th most popular in Germany in the Web Servers category.
• ⭐ 5th most popular in Austria in the Web Servers category.
• ⭐ 5th most popular in Romania in the Web Servers category.
• ⭐ 5th most popular in Belgium in the Web Servers category.
• ⭐ 5th most popular in Bulgaria in the Web Servers category.

• 🔥 11st most popular in Germany in the Load Balancers category.
• 🔥 11st most popular in Canada in the Load Balancers category.
• 🔥 11st most popular in France in the Load Balancers category.
• 🔥 12nd most popular in the United Kingdom in the Load Balancers category.
• 🔥 13rd most popular in the United States in the Load Balancers category.

Top sites

Top-ranked sites that use these technologies.

Compare alternatives

Technologies with similar characteristics.

• Caddy vs. Nginx
• Caddy vs. Varnish
• Caddy vs. Envoy
• Caddy vs. Tomcat
• Caddy vs. Google Front End

• HAProxy vs. Nginx
• HAProxy vs. Varnish
• HAProxy vs. Envoy
• HAProxy vs. Apache Traffic Server
• HAProxy vs. Ngrok

• Caddy technology profile

• HAProxy technology profile