Find the Web Server that a web site runs on

This program detects the web server that a site is running on.


example: facebook.com

ERROR: Web server not shown in header.

HTTP/2 302 
content-length: 0
location: https://www.nba.com/warriors/
date: Thu, 14 May 2026 02:02:53 GMT
x-frame-options: sameorigin
x-xss-protection: 1; mode=block
x-content-type-options: nosniff
strict-transport-security: max-age=86400
set-cookie: _abck=7AF348A3A89B3365D4A5213469C76D21~-1~YAAQomAYuGgKXSCeAQAAIfc4JA8tLwcrGNLkaw5LPCIdWQoLIYuGDV2t7H4/n3Pm6hFNwcDrfsrdAKkmvCWhxYhWwlnfwD+LK0AfR4Y0R1PJTk9kRmj29HzXF9BKR7ltvxi9Vmq8DP7S9zEO6BoOfFfphX/nmRBgKIK5L7POrc5SUyyu+yt8T8UJ7ev3GuqZfZzS4h89G0FCG0Ps2oDCfcRPODio1scWopJoQQgaL5CI6PcpfpJR38A519ibpJhi8tP7ZIMTNvTgttP2WHoW4u8musJyCEGYayCrzlwG8ADZO2qtWgtM7TOubUgP1QOjGMwYtTPNA5gGQW+NK7mw3amYbPKgR17m60VuTdjUxgncti+iFmD7aLAHtFgH38mwBvh91QuWVKBEBJ35MkfcSDn8AN2ItcQXuA8PymyGruYWXH75zjbHWLZFom++dwIqEUg0fR7tQOyI73fa~-1~-1~-1~-1~-1; Domain=.nba.com; Path=/; Expires=Fri, 14 May 2027 02:02:53 GMT; Max-Age=31536000; Secure
set-cookie: bm_sz=CC226662A45173AB864FA1F4B5D1E2F4~YAAQomAYuGkKXSCeAQAAIfc4JB82HNZSFaaWvfpih1kzuQvIk5Fo4lLklSu6f9ACrHhoX3JEvJMLCQ4ijruPrrCIv4zcKaEaJMWY+HB7I1Aptxvn3DNdnq9vafGLXtjw43awJMth/vMzBYKXvixctlbxi1HRKNBTaMNo63jo1ntBKZWWg6/tgtG6XSrealEQAef0JymnZDuB49wnj4oR6RuXLMZR/xwBWirD8J0N65tllwbOc0+lGOUIAXeAJcnKsjut3g6UqLri+fhrFLRh9fhbkEmSvc9pTOXSUoFw/Uvkpoq6a/TS2aD3BHLglfnrA0vm0XDpEBG9i5RR5alA4mpXB54bDHE8uF0sEudfiB+VCyEfZhN3QmzvXzdzpn5jln18nTI=~3158082~3486265; Domain=.nba.com; Path=/; Expires=Thu, 14 May 2026 06:02:53 GMT; Max-Age=14400

HTTP/2 200 
content-type: text/html
x-content-type-options: nosniff
x-amz-server-side-encryption: AES256
x-amz-id-2: LDztv/JvMWZvPTqcBn+jcs9NpXAC04ZvWtgKRLxxKiKQ4K11wLlnyA0FexRxkcUdH/9R0vKuMFFTL6X1hlpjlk9ukh2/T7Ck
x-amz-version-id: 1PZTuQ809fskBepgMziK5k0pS5J8lS09
x-xss-protection: 1; mode=block
x-amz-request-id: 8VVFHV8YK4D4SEYW
etag: "8d028ce4df236f72a0dae206bb89bf73"
x-frame-options: sameorigin
cookie: nbaidentity=; cms-dev=; nlhasnbaid=; nlhasnbaauth=; region=; postal=
cache-control: max-age=18
date: Thu, 14 May 2026 02:02:53 GMT
x-frame-options: sameorigin
x-xss-protection: 1; mode=block
x-content-type-options: nosniff
strict-transport-security: max-age=86400
set-cookie: _abck=AFEB590F3E1DB4F8B326CE71ACCA48E1~-1~YAAQomAYuHIKXSCeAQAAwfc4JA9ifL9KLTrqcNrYK6UK/KZhqJKKYzaJPFHvRHHYtMI280gz/HTK9FOxjri5OOJolf8KqTEGEE6YZ57X7iEe0e2o665Uwmyic3RPbP+8uKRYVL8GLG88hlIucCE493XTf6GQh6CoXKqVuVwnaDtyDWocI9mtvVzKhttXCWIsyfUiioSf4D4t9LslB46Y+CcmL6eQcxznLPakIEPB1YbB/MS0ulnA5X7CIp63Aiah/Yng86wk/nPqOs7RgF3GkDJus/rHQA71jggvG4eNb6TEor+U5tk4uXXjKuQdCpQcDBo03Bv42M0q+NpMvRtxi/BjQe4tXYaoRK4pJY8ywtWNeRyDYINYqzO6JV8no8hDFcYet4N20BNQOnw9mAnuGZuwINf/FbMH9KuZrcmt38eA8JL/bMGsXe+jZ5nXdWFb/D5n2it4FhOPWBNW~-1~-1~-1~-1~-1; Domain=.nba.com; Path=/; Expires=Fri, 14 May 2027 02:02:53 GMT; Max-Age=31536000; Secure
set-cookie: bm_sz=0B28926B6AECABDA4A1E49CF8558631E~YAAQomAYuHMKXSCeAQAAwfc4JB/CSUo8Gootlloqk/NJyIdnbrDti49fRc8Zf2CA2/dS/S3ZvckQJsy/2D3RbqKN0oZXMSRktHJNy7KnYK9BGOwddeyCCQzZJi12/xdeS9Mk3KuKGYQ/mcJe135ey9Vrpmjr/6smo7T3BmLPmb7Ikdnc3OFuDkk0dwIUX357EsXAx5OZUk8htyaSqWR3bpvy0NDWfcMwJOdlDYnLRrVLIkxJcxtL882Ab5jpBLFN7/SBq79+nD8BdSHYncMHuU8fT6EHOiR7B8pwdIM2ehtEleq0Eo6PPacdHUTaPipp+4XJ1IBO7uodMEw7ePeV+OwsQRKiWqYRJH7o0w/EHTtK4thFegcGUBy1fh1QWgTl86lcFyM=~3158082~3486265; Domain=.nba.com; Path=/; Expires=Thu, 14 May 2026 06:02:53 GMT; Max-Age=14400