Kestrel vs OpenResty

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

Cross-platform web server for ASP.NET Core.

Category
Server
Detection signals
1
In our index
1 website
Official site
learn.microsoft.com
Learn more about Kestrel

Nginx-based web platform with Lua scripting.

Category
Server
Detection signals
1
In our index
3 websites
Official site
openresty.org
Learn more about OpenResty

How Tech Stack Detector detects each

Kestrel

  • HeaderServer header identifies Kestrel

OpenResty

  • HeaderServer header identifies OpenResty

Websites using each

Frequently asked questions

What is the difference between Kestrel and OpenResty?

Kestrel is a web server (Cross-platform web server for ASP.NET Core), while OpenResty is a web server (Nginx-based web platform with Lua scripting). Both are Server technologies, so they are often considered alternatives.

Can a website use both Kestrel and OpenResty?

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

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