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 |
|
🔒 🟡 Mixed Content (4 HTTP resources) | The page is served over HTTPS but loads 4 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 185.199.108.153
Server Software GitHub.com
CDN CDN (HIT)
Compression gzip
🔒 🟡 Mixed Content (4 HTTP resources) The page is served over HTTPS but loads 4 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).
Performance
| DNS Lookup | 152 ms |
| TCP Connect | 153.1 ms |
| TLS Handshake | 6.6 ms |
| Time To First Byte (TTFB) | 314.2 ms |
| Content Download | 0.3 ms |
| Total Response Time | 314.5 ms |
DNS Lookup 152 ms
TCP Connect 153.1 ms
TLS Handshake 6.6 ms
Time To First Byte (TTFB) 314.2 ms
Content Download 0.3 ms
Total Response Time 314.5 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 | Getting started | Less.js |
| Meta Description | Less extends CSS with dynamic behavior such as variables, mixins, operations and functions. Less runs on both the server-side (with Node.js and Rhino) or client-side (modern browsers only).
|
Title Getting started | Less.js
Meta Description Less extends CSS with dynamic behavior such as variables, mixins, operations and functions. Less runs on both the server-side (with Node.js and Rhino) or client-side (modern browsers only).
Detected Technologies
| Technology | Bootstrap jQuery Google Analytics Google Tag Manager Cloudflare Node.js |
Technology Bootstrap jQuery Google Analytics Google Tag Manager Cloudflare Node.js
HTTP Headers
| Server
| GitHub.com |
| Content-type
| text/html; charset=utf-8 |
| Last-modified
| Mon, 08 May 2023 17:56:45 GMT |
| Access-control-allow-origin
| * |
| Etag
| W/"645937dd-74c9" |
| Expires
| Sat, 22 Aug 2026 17:11:47 GMT |
| Cache-control
| max-age=600 |
| Content-encoding
| gzip |
| X-proxy-cache
| REVALIDATED |
| X-github-request-id
| C62C:93A43:25B8472:2608E92:6A89DDE1 |
| X-github-edge-region
| fra |
| Accept-ranges
| bytes |
| Age
| 0 |
| Date
| Sat, 22 Aug 2026 18:29:27 GMT |
| Via
| 1.1 varnish |
| X-served-by
| cache-par-lfpb1150033-PAR |
| X-cache
| HIT |
| X-cache-hits
| 0 |
| X-timer
| S1787423367.063960,VS0,VE108 |
| Vary
| Accept-Encoding |
| X-fastly-request-id
| 73169a132827d049dd94071af1983db6eb07ebf9 |
| Content-length
| 7455 |
Meta Tags
| X-UA-Compatible | IE=edge |
| Viewport | width=device-width, initial-scale=1.0 |
| Description | Less extends CSS with dynamic behavior such as variables, mixins, operations and functions. Less runs on both the server-side (with Node.js and Rhino) or client-side (modern browsers only).
|
| Author | The Core Less Team |
Server GitHub.com
Content-type text/html; charset=utf-8
Last-modified Mon, 08 May 2023 17:56:45 GMT
Access-control-allow-origin *
Etag W/"645937dd-74c9"
Expires Sat, 22 Aug 2026 17:11:47 GMT
Cache-control max-age=600
Content-encoding gzip
X-proxy-cache REVALIDATED
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Accept-ranges bytes
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X-cache HIT
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Vary Accept-Encoding
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