Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 142.93.179.24 |
| Server Software | nginx |
| Compression | gzip |
|
ℹ 🔵 Missing HSTS | HTTP Strict Transport Security is not configured. Recommended for HTTPS sites. |
|
ℹ 🔵 Missing Content Security Policy | CSP is not configured. It helps prevent XSS attacks and content injection. |
HTTP Status Code 200
HTTP Version HTTP/1.1
HTTPS ✔ Available
IP Address 142.93.179.24
Server Software nginx
Compression gzip
ℹ 🔵 Missing HSTS HTTP Strict Transport Security is not configured. Recommended for HTTPS sites.
ℹ 🔵 Missing Content Security Policy CSP is not configured. It helps prevent XSS attacks and content injection.
Redirect Chain
| # | URL | HTTP Status Code | Status |
| 1 | https://haskell.org:443 | 301 | HTTP/2 301 |
| 2 | https://www.haskell.org/ | 200 | HTTP/2 200 |
#1 URL https://haskell.org:443
HTTP Status Code 301
Status HTTP/2 301
#2 URL https://www.haskell.org/
HTTP Status Code 200
Status HTTP/2 200
Performance
| DNS Lookup | 29.8 ms |
| TCP Connect | 124.6 ms |
| TLS Handshake | 99 ms |
| Time To First Byte (TTFB) | 317.3 ms |
| Content Download | 93.6 ms |
| Total Response Time | 411 ms |
DNS Lookup 29.8 ms
TCP Connect 124.6 ms
TLS Handshake 99 ms
Time To First Byte (TTFB) 317.3 ms
Content Download 93.6 ms
Total Response Time 411 ms
Security
| HTTPS | ✔ Enabled |
| HSTS | ✘ Not configured |
| CSP | ⚠ Not configured |
| X-Frame-Options | ✔ DENY |
| X-Content-Type-Options | ✔ nosniff |
| Referrer Policy | strict-origin-when-cross-origin |
| HTTP/2 | ⚠ HTTP/1.1 |
HTTPS ✔ Enabled
HSTS ✘ Not configured
CSP ⚠ Not configured
X-Frame-Options ✔ DENY
X-Content-Type-Options ✔ nosniff
Referrer Policy strict-origin-when-cross-origin
HTTP/2 ⚠ HTTP/1.1
SEO Quick Check
| Title | Haskell Language |
| Meta Description | The Haskell purely functional programming language home page. |
Title Haskell Language
Meta Description The Haskell purely functional programming language home page.
Detected Technologies
| Technology | Bootstrap jQuery Google Analytics Nginx Node.js HubSpot |
Technology Bootstrap jQuery Google Analytics Nginx Node.js HubSpot
HTTP Headers
| Server
| nginx |
| Date
| Sun, 23 Aug 2026 06:53:54 GMT |
| Content-type
| text/html |
| Last-modified
| Thu, 01 Jan 1970 00:00:01 GMT |
| Vary
| Accept-Encoding |
| Etag
| W/"1-f629" |
| X-frame-options
| DENY |
| X-content-type-options
| nosniff |
| Referrer-policy
| strict-origin-when-cross-origin |
| Content-encoding
| gzip |
Meta Tags
| X-UA-Compatible | IE edge |
| Viewport | width=device-width, initial-scale=1 |
| Description | The Haskell purely functional programming language home page. |
Server nginx
Date Sun, 23 Aug 2026 06:53:54 GMT
Content-type text/html
Last-modified Thu, 01 Jan 1970 00:00:01 GMT
Vary Accept-Encoding
Etag W/"1-f629"
X-frame-options DENY
X-content-type-options nosniff
Referrer-policy strict-origin-when-cross-origin
Content-encoding gzip
