Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 54.39.184.189 |
| Server Software | nginx |
| Compression | gzip |
|
🔒 🟡 Mixed Content (76 HTTP resources) | The page is served over HTTPS but loads 76 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 54.39.184.189
Server Software nginx
Compression gzip
🔒 🟡 Mixed Content (76 HTTP resources) The page is served over HTTPS but loads 76 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 | 8.4 ms |
| TCP Connect | 92.3 ms |
| TLS Handshake | 88.8 ms |
| Time To First Byte (TTFB) | 348.7 ms |
| Content Download | 2.2 ms |
| Total Response Time | 350.9 ms |
DNS Lookup 8.4 ms
TCP Connect 92.3 ms
TLS Handshake 88.8 ms
Time To First Byte (TTFB) 348.7 ms
Content Download 2.2 ms
Total Response Time 350.9 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 | Reference, Facts, News - Free and Family-friendly Resources - Refdesk.com |
| Meta Description | Refdesk is a free and family friendly web site indexing and reviewing quality, credible, and current Internet reference resources. |
| Canonical | https://www.refdesk.com |
Title Reference, Facts, News - Free and Family-friendly Resources - Refdesk.com
Meta Description Refdesk is a free and family friendly web site indexing and reviewing quality, credible, and current Internet reference resources.
Canonical https://www.refdesk.com
Detected Technologies
| Technology | Google Analytics Nginx PHP Node.js |
Technology Google Analytics Nginx PHP Node.js
HTTP Headers
| Server
| nginx |
| Date
| Wed, 26 Aug 2026 04:05:34 GMT |
| Content-Type
| text/html; charset=UTF-8 |
| Content-Length
| 33215 |
| Last-Modified
| Tue, 25 Aug 2026 07:10:10 GMT |
| Connection
| keep-alive |
| ETag
| "6a8d3fd2-81bf" |
| Content-Encoding
| gzip |
| Expires
| Wed, 26 Aug 2026 04:10:24 GMT |
| Cache-Control
| max-age=290 |
| X-Ads
| 1 |
| Vary
| X-Ads |
| Accept-Ranges
| bytes |
Meta Tags
| Viewport | width=device-width, initial-scale=0.95, maximum-scale=10.0, minimum-scale=0.95 |
| Content-type | text/html; charset=UTF-8 |
| X-Frame-Options | SAMEORIGIN |
| Keywords | reference,facts,news,family friendly,refdesk |
| Description | Refdesk is a free and family friendly web site indexing and reviewing quality, credible, and current Internet reference resources. |
Server nginx
Date Wed, 26 Aug 2026 04:05:34 GMT
Content-Type text/html; charset=UTF-8
Content-Length 33215
Last-Modified Tue, 25 Aug 2026 07:10:10 GMT
Connection keep-alive
ETag "6a8d3fd2-81bf"
Content-Encoding gzip
Expires Wed, 26 Aug 2026 04:10:24 GMT
Cache-Control max-age=290
X-Ads 1
Vary X-Ads
Accept-Ranges bytes
