Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 185.199.108.153 |
| Server Software | GitHub.com |
| CDN | CDN (HIT) |
| 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. |
|
ℹ 🔵 Missing X-Frame-Options | The site can be embedded in iframes by third parties (clickjacking risk). |
HTTP Status Code 200
HTTP Version HTTP/1.1
HTTPS ✔ Available
IP Address 185.199.108.153
Server Software GitHub.com
CDN CDN (HIT)
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.
ℹ 🔵 Missing X-Frame-Options The site can be embedded in iframes by third parties (clickjacking risk).
Redirect Chain
| # | URL | HTTP Status Code | Status |
| 1 | https://reference.com:443 | 301 | HTTP/2 301 |
| 2 | https://www.reference.com/ | 200 | HTTP/2 200 |
#1 URL https://reference.com:443
HTTP Status Code 301
Status HTTP/2 301
#2 URL https://www.reference.com/
HTTP Status Code 200
Status HTTP/2 200
Performance
| DNS Lookup | 12.6 ms |
| TCP Connect | 13.8 ms |
| TLS Handshake | 8 ms |
| Time To First Byte (TTFB) | 24.6 ms |
| Content Download | 0.1 ms |
| Total Response Time | 24.7 ms |
DNS Lookup 12.6 ms
TCP Connect 13.8 ms
TLS Handshake 8 ms
Time To First Byte (TTFB) 24.6 ms
Content Download 0.1 ms
Total Response Time 24.7 ms
Security
| HTTPS | ✔ Enabled |
| HSTS | ✘ Not configured |
| CSP | ⚠ Not configured |
| X-Frame-Options | ⚠ Not configured |
| X-Content-Type-Options | ⚠ Not configured |
| HTTP/2 | ⚠ HTTP/1.1 |
HTTPS ✔ Enabled
HSTS ✘ Not configured
CSP ⚠ Not configured
X-Frame-Options ⚠ Not configured
X-Content-Type-Options ⚠ Not configured
HTTP/2 ⚠ HTTP/1.1
SEO Quick Check
| Title | A Farewell to Ask.com | 30 Years of Curiosity |
Title A Farewell to Ask.com | 30 Years of Curiosity
Detected Technologies
| Technology | Tailwind CSS Google Analytics |
Technology Tailwind CSS Google Analytics
HTTP Headers
| Server
| GitHub.com |
| Content-type
| text/html; charset=utf-8 |
| Last-modified
| Mon, 04 May 2026 16:47:00 GMT |
| Access-control-allow-origin
| * |
| Etag
| W/"69f8cd84-d19" |
| Expires
| Fri, 17 Jul 2026 07:11:03 GMT |
| Cache-control
| max-age=600 |
| Content-encoding
| gzip |
| X-proxy-cache
| MISS |
| X-github-request-id
| AF30:3AAF7A:6F9C5:71351:6A59D32E |
| Accept-ranges
| bytes |
| Age
| 343 |
| Date
| Tue, 21 Jul 2026 11:59:15 GMT |
| Via
| 1.1 varnish |
| X-served-by
| cache-par-lfpb1150084-PAR |
| X-cache
| HIT |
| X-cache-hits
| 0 |
| X-timer
| S1784635156.679250,VS0,VE1 |
| Vary
| Accept-Encoding |
| X-fastly-request-id
| c546386bab8fce8deb279f63ad86c6222aa15a17 |
| Content-length
| 1415 |
Meta Tags
| Viewport | width=device-width, initial-scale=1.0 |
Server GitHub.com
Content-type text/html; charset=utf-8
Last-modified Mon, 04 May 2026 16:47:00 GMT
Access-control-allow-origin *
Etag W/"69f8cd84-d19"
Expires Fri, 17 Jul 2026 07:11:03 GMT
Cache-control max-age=600
Content-encoding gzip
X-proxy-cache MISS
X-github-request-id AF30:3AAF7A:6F9C5:71351:6A59D32E
Accept-ranges bytes
Age 343
Date Tue, 21 Jul 2026 11:59:15 GMT
Via 1.1 varnish
X-served-by cache-par-lfpb1150084-PAR
X-cache HIT
X-cache-hits 0
X-timer S1784635156.679250,VS0,VE1
Vary Accept-Encoding
X-fastly-request-id c546386bab8fce8deb279f63ad86c6222aa15a17
Content-length 1415
