Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 190.92.127.40 |
| Server Software | nginx |
| Compression | gzip |
|
🔒 🟡 Mixed Content (12 HTTP resources) | The page is served over HTTPS but loads 12 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 190.92.127.40
Server Software nginx
Compression gzip
🔒 🟡 Mixed Content (12 HTTP resources) The page is served over HTTPS but loads 12 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://www.ecured.cu:443 | 301 | HTTP/2 301 |
| 2 | https://www.ecured.cu/EcuRed:Enciclopedia_cubana | 200 | HTTP/2 200 |
#1 URL https://www.ecured.cu:443
HTTP Status Code 301
Status HTTP/2 301
#2 URL https://www.ecured.cu/EcuRed:Enciclopedia_cubana
HTTP Status Code 200
Status HTTP/2 200
Performance
| DNS Lookup | 0.7 ms |
| TCP Connect | 153.9 ms |
| TLS Handshake | 158.7 ms |
| Time To First Byte (TTFB) | 618.5 ms |
| Content Download | 0.3 ms |
| Total Response Time | 618.8 ms |
DNS Lookup 0.7 ms
TCP Connect 153.9 ms
TLS Handshake 158.7 ms
Time To First Byte (TTFB) 618.5 ms
Content Download 0.3 ms
Total Response Time 618.8 ms
Security
| HTTPS | ✔ Enabled |
| HSTS | ✘ Not configured |
| CSP | ⚠ Not configured |
| X-Frame-Options | ⚠ Not configured |
| X-Content-Type-Options | ✔ nosniff |
| HTTP/2 | ⚠ HTTP/1.1 |
HTTPS ✔ Enabled
HSTS ✘ Not configured
CSP ⚠ Not configured
X-Frame-Options ⚠ Not configured
X-Content-Type-Options ✔ nosniff
HTTP/2 ⚠ HTTP/1.1
SEO Quick Check
Title EcuRed
Detected Technologies
| Technology | Bootstrap Google Analytics Nginx PHP Matomo |
Technology Bootstrap Google Analytics Nginx PHP Matomo
HTTP Headers
| Server
| nginx |
| Date
| Wed, 22 Jul 2026 17:01:56 GMT |
| Content-type
| text/html; charset=UTF-8 |
| X-content-type-options
| nosniff |
| Content-language
| es |
| X-ua-compatible
| IE=Edge |
| Vary
| Accept-Encoding, Cookie |
| Cache-control
| s-maxage=18000, must-revalidate, max-age=0 |
| Last-modified
| Wed, 22 Jul 2026 12:01:56 GMT |
| Content-encoding
| gzip |
| X-varnish
| 897450900 813465943 |
| Age
| 8547 |
| Via
| 1.1 varnish-v4 |
| Accept-ranges
| bytes |
| Content-length
| 13788 |
Meta Tags
| Generator | MediaWiki 1.31.16 |
| Viewport | width=device-width, initial-scale=1.0, user-scalable=yes, minimum-scale=0.25, maximum-scale=5.0 |
Server nginx
Date Wed, 22 Jul 2026 17:01:56 GMT
Content-type text/html; charset=UTF-8
X-content-type-options nosniff
Content-language es
X-ua-compatible IE=Edge
Vary Accept-Encoding, Cookie
Cache-control s-maxage=18000, must-revalidate, max-age=0
Last-modified Wed, 22 Jul 2026 12:01:56 GMT
Content-encoding gzip
X-varnish 897450900 813465943
Age 8547
Via 1.1 varnish-v4
Accept-ranges bytes
Content-length 13788
