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 | 22.8 ms |
| TCP Connect | 23.9 ms |
| TLS Handshake | 6.3 ms |
| Time To First Byte (TTFB) | 136.5 ms |
| Content Download | 0.2 ms |
| Total Response Time | 136.7 ms |
DNS Lookup 22.8 ms
TCP Connect 23.9 ms
TLS Handshake 6.3 ms
Time To First Byte (TTFB) 136.5 ms
Content Download 0.2 ms
Total Response Time 136.7 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 | - YAML Ain't Markup Language |
| Meta Description | YAML Ain |
| Canonical | https://yaml.org/ |
Title - YAML Ain't Markup Language
Meta Description YAML Ain
Canonical https://yaml.org/
Detected Technologies
| Technology | Google Analytics Google Tag Manager Cloudflare |
Technology Google Analytics Google Tag Manager Cloudflare
HTTP Headers
| Server
| GitHub.com |
| Content-type
| text/html; charset=utf-8 |
| Last-modified
| Fri, 10 Jul 2026 22:39:02 GMT |
| Access-control-allow-origin
| * |
| Etag
| W/"6a517486-617a" |
| Expires
| Tue, 21 Jul 2026 05:07:12 GMT |
| Cache-control
| max-age=600 |
| Content-encoding
| gzip |
| X-proxy-cache
| MISS |
| X-github-request-id
| F13C:3D0EF8:9AA4D2:9D04B2:6A5EFC28 |
| Accept-ranges
| bytes |
| Age
| 0 |
| Date
| Tue, 21 Jul 2026 15:23:28 GMT |
| Via
| 1.1 varnish |
| X-served-by
| cache-par-lfpb1150077-PAR |
| X-cache
| HIT |
| X-cache-hits
| 0 |
| X-timer
| S1784647409.518545,VS0,VE104 |
| Vary
| Accept-Encoding |
| X-fastly-request-id
| 2004b53bb7f189da9934c9bef6389f5674223ef6 |
| Content-length
| 6585 |
Meta Tags
| Viewport | width=device-width,initial-scale=1 |
| Description | YAML Ain |
| Author | YAML |
| Generator | mkdocs-1.6.1, mkdocs-material-9.6.16 |
Server GitHub.com
Content-type text/html; charset=utf-8
Last-modified Fri, 10 Jul 2026 22:39:02 GMT
Access-control-allow-origin *
Etag W/"6a517486-617a"
Expires Tue, 21 Jul 2026 05:07:12 GMT
Cache-control max-age=600
Content-encoding gzip
X-proxy-cache MISS
X-github-request-id F13C:3D0EF8:9AA4D2:9D04B2:6A5EFC28
Accept-ranges bytes
Age 0
Date Tue, 21 Jul 2026 15:23:28 GMT
Via 1.1 varnish
X-served-by cache-par-lfpb1150077-PAR
X-cache HIT
X-cache-hits 0
X-timer S1784647409.518545,VS0,VE104
Vary Accept-Encoding
X-fastly-request-id 2004b53bb7f189da9934c9bef6389f5674223ef6
Content-length 6585
