Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 185.199.110.153 |
| 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 185.199.110.153
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).
Performance
| DNS Lookup | 5.2 ms |
| TCP Connect | 6.4 ms |
| TLS Handshake | 12.1 ms |
| Time To First Byte (TTFB) | 137 ms |
| Content Download | 0.1 ms |
| Total Response Time | 137 ms |
DNS Lookup 5.2 ms
TCP Connect 6.4 ms
TLS Handshake 12.1 ms
Time To First Byte (TTFB) 137 ms
Content Download 0.1 ms
Total Response Time 137 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 | Public Lab | static archive |
Title Public Lab | static archive
HTTP Headers
| Server
| GitHub.com |
| Content-type
| text/html; charset=utf-8 |
| Last-modified
| Mon, 24 Nov 2025 02:20:25 GMT |
| Access-control-allow-origin
| * |
| Etag
| W/"6923c0e9-3b4" |
| Expires
| Tue, 21 Jul 2026 15:17:45 GMT |
| Cache-control
| max-age=600 |
| Content-encoding
| gzip |
| X-proxy-cache
| MISS |
| X-github-request-id
| E976:3844F9:12DAC14:132187E:6A5F8B41 |
| Accept-ranges
| bytes |
| Age
| 0 |
| Date
| Tue, 21 Jul 2026 19:42:51 GMT |
| Via
| 1.1 varnish |
| X-served-by
| cache-par-lfpb1150081-PAR |
| X-cache
| HIT |
| X-cache-hits
| 0 |
| X-timer
| S1784662972.679193,VS0,VE117 |
| Vary
| Accept-Encoding |
| X-fastly-request-id
| 9ddd3f8a6d6e16794f9ae19ac74746865dacb718 |
| Content-length
| 437 |
Meta Tags
| Viewport | width=device-width, initial-scale=1 |
Server GitHub.com
Content-type text/html; charset=utf-8
Last-modified Mon, 24 Nov 2025 02:20:25 GMT
Access-control-allow-origin *
Etag W/"6923c0e9-3b4"
Expires Tue, 21 Jul 2026 15:17:45 GMT
Cache-control max-age=600
Content-encoding gzip
X-proxy-cache MISS
X-github-request-id E976:3844F9:12DAC14:132187E:6A5F8B41
Accept-ranges bytes
Age 0
Date Tue, 21 Jul 2026 19:42:51 GMT
Via 1.1 varnish
X-served-by cache-par-lfpb1150081-PAR
X-cache HIT
X-cache-hits 0
X-timer S1784662972.679193,VS0,VE117
Vary Accept-Encoding
X-fastly-request-id 9ddd3f8a6d6e16794f9ae19ac74746865dacb718
Content-length 437
