Caddy vs Envoy

Caddy is a web server and Envoy is a web server. Here's how they compare, how Tech Stack Detector detects each, and how many scanned websites use them.

Modern automatic HTTPS web server.

Category
Server
Detection signals
1
In our index
Not yet detected
Official site
caddyserver.com
Learn more about Caddy

Cloud-native edge and service proxy.

Category
Server
Detection signals
2
In our index
12 websites
Official site
envoyproxy.io
Learn more about Envoy

How Tech Stack Detector detects each

Caddy

  • HeaderServer header identifies Caddy

Envoy

  • HeaderServer: envoy
  • HeaderEnvoy upstream timing header

Websites using each

Frequently asked questions

What is the difference between Caddy and Envoy?

Caddy is a web server (Modern automatic HTTPS web server), while Envoy is a web server (Cloud-native edge and service proxy). Both are Server technologies, so they are often considered alternatives.

Can a website use both Caddy and Envoy?

Yes. Tech Stack Detector detects each technology independently when you scan a site, so a single page can report both Caddy and Envoy when both are present.

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