How can I determine which web server a particular website is using (Apache, IIS, Nginx, etc)?
5th January 2011
My answer to How can I determine which web server a particular website is using (Apache, IIS, Nginx, etc)? on Quora
If you’re on Linux or OS X, use curl with the -I option (to make a HEAD request and see the HTTP headers):
$ curl -I www.op3intl.com
HTTP/1.1 200 OK
Date: Thu, 06 Jan 2011 03:31:28 GMT
Server: Microsoft-IIS/6.0
...
More recent articles
- Fly's new Sprites.dev addresses both developer sandboxes and API sandboxes at the same time - 9th January 2026
- LLM predictions for 2026, shared with Oxide and Friends - 8th January 2026
- Introducing gisthost.github.io - 1st January 2026