Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 104.21.24.134 |
| Server Software | GitHub.com |
| CDN | CDN (HIT) |
| Compression | gzip |
|
🔒 🟡 Mixed Content (2 HTTP resources) | The page is served over HTTPS but loads 2 resource(s) over HTTP. This may be blocked in modern browsers. |
|
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 104.21.24.134
Server Software GitHub.com
CDN CDN (HIT)
Compression gzip
🔒 🟡 Mixed Content (2 HTTP resources) The page is served over HTTPS but loads 2 resource(s) over HTTP. This may be blocked in modern browsers.
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://opengraphprotocol.org:443 | 301 | HTTP/2 301 |
| 2 | https://ogp.me/ | 200 | HTTP/2 200 |
#1 URL https://opengraphprotocol.org:443
HTTP Status Code 301
Status HTTP/2 301
#2 URL https://ogp.me/
HTTP Status Code 200
Status HTTP/2 200
Performance
| DNS Lookup | 22.7 ms |
| TCP Connect | 23.6 ms |
| TLS Handshake | 6.8 ms |
| Time To First Byte (TTFB) | 33.5 ms |
| Content Download | 0.2 ms |
| Total Response Time | 33.7 ms |
DNS Lookup 22.7 ms
TCP Connect 23.6 ms
TLS Handshake 6.8 ms
Time To First Byte (TTFB) 33.5 ms
Content Download 0.2 ms
Total Response Time 33.7 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 | The Open Graph protocol |
| Meta Description | The Open Graph protocol enables any web page to become a rich object in a social graph. |
| Open Graph Title | Open Graph protocol |
| Open Graph Description | The Open Graph protocol enables any web page to become a rich object in a social graph. |
| Open Graph Image | https://ogp.me/logo.png |
Title The Open Graph protocol Meta Description The Open Graph protocol enables any web page to become a rich object in a social graph. Open Graph Title Open Graph protocol Open Graph Description The Open Graph protocol enables any web page to become a rich object in a social graph. Open Graph Image https://ogp.me/logo.png HTTP Headers
| Server
| GitHub.com |
| Content-type
| text/html; charset=utf-8 |
| Last-modified
| Wed, 25 Jun 2025 19:40:07 GMT |
| Access-control-allow-origin
| * |
| Etag
| W/"685c5097-5a5a" |
| Expires
| Sat, 18 Jul 2026 08:03:44 GMT |
| Cache-control
| max-age=600 |
| Content-encoding
| gzip |
| X-proxy-cache
| MISS |
| X-github-request-id
| 4E0E:3A7F0:2A9F1B:2B1C97:6A5B3108 |
| Accept-ranges
| bytes |
| Age
| 475 |
| Date
| Thu, 23 Jul 2026 20:12:35 GMT |
| Via
| 1.1 varnish |
| X-served-by
| cache-par-lfpg1960022-PAR |
| X-cache
| HIT |
| X-cache-hits
| 0 |
| X-timer
| S1784837556.990178,VS0,VE1 |
| Vary
| Accept-Encoding |
| X-fastly-request-id
| b561bfbc8878bc54f74aa736be561a0a6f628595 |
| Content-length
| 6444 |
Meta Tags
| Description | The Open Graph protocol enables any web page to become a rich object in a social graph. |
| Fb:app_id | 115190258555800 |
Server GitHub.com
Content-type text/html; charset=utf-8
Last-modified Wed, 25 Jun 2025 19:40:07 GMT
Access-control-allow-origin *
Etag W/"685c5097-5a5a"
Expires Sat, 18 Jul 2026 08:03:44 GMT
Cache-control max-age=600
Content-encoding gzip
X-proxy-cache MISS
X-github-request-id 4E0E:3A7F0:2A9F1B:2B1C97:6A5B3108
Accept-ranges bytes
Age 475
Date Thu, 23 Jul 2026 20:12:35 GMT
Via 1.1 varnish
X-served-by cache-par-lfpg1960022-PAR
X-cache HIT
X-cache-hits 0
X-timer S1784837556.990178,VS0,VE1
Vary Accept-Encoding
X-fastly-request-id b561bfbc8878bc54f74aa736be561a0a6f628595
Content-length 6444
