Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 132.248.9.5 |
| Server Software | nginx |
|
🔒 🟡 Mixed Content (22 HTTP resources) | The page is served over HTTPS but loads 22 resource(s) over HTTP. This may be blocked in modern browsers. |
|
🕐 🟡 Slow Response (1604 ms) | Response time exceeds 1 second. Consider optimizing the server or using caching. |
|
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). |
|
ℹ 🔵 No Compression | The server does not use Gzip or Brotli. Enable compression to reduce bandwidth usage. |
HTTP Status Code 200
HTTP Version HTTP/1.1
HTTPS ✔ Available
IP Address 132.248.9.5
Server Software nginx
🔒 🟡 Mixed Content (22 HTTP resources) The page is served over HTTPS but loads 22 resource(s) over HTTP. This may be blocked in modern browsers.
🕐 🟡 Slow Response (1604 ms) Response time exceeds 1 second. Consider optimizing the server or using caching.
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).
ℹ 🔵 No Compression The server does not use Gzip or Brotli. Enable compression to reduce bandwidth usage.
Redirect Chain
| # | URL | HTTP Status Code | Status |
| 1 | https://www.scielo.org.mx:443 | 302 | HTTP/2 302 |
| 2 | https://www.scielo.org.mx/./scielo.php | 200 | HTTP/2 200 |
#1 URL https://www.scielo.org.mx:443
HTTP Status Code 302
Status HTTP/2 302
#2 URL https://www.scielo.org.mx/./scielo.php
HTTP Status Code 200
Status HTTP/2 200
Performance
| DNS Lookup | 1.8 ms |
| TCP Connect | 1174.9 ms |
| TLS Handshake | 147 ms |
| Time To First Byte (TTFB) | 1538 ms |
| Content Download | 66.4 ms |
| Total Response Time | 1604.4 ms |
DNS Lookup 1.8 ms
TCP Connect 1174.9 ms
TLS Handshake 147 ms
Time To First Byte (TTFB) 1538 ms
Content Download 66.4 ms
Total Response Time 1604.4 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 | SciELO - Scientific Electronic Library Online |
Title SciELO - Scientific Electronic Library Online
Detected Technologies
| Technology | Google Analytics Google Tag Manager Nginx PHP |
Technology Google Analytics Google Tag Manager Nginx PHP
HTTP Headers
| Server
| nginx |
| Date
| Thu, 23 Jul 2026 08:40:47 GMT |
| Content-type
| text/html |
| X-powered-by
| PHP/5.2.17 |
| Set-cookie
| PHPSESSID=23e2dcfa36cc20e79e19f8c9de3be62c; path=/ |
| Expires
| Thu, 19 Nov 1981 08:52:00 GMT |
| Cache-control
| no-store, no-cache, must-revalidate, post-check=0, pre-check=0 |
| Pragma
| no-cache |
Meta Tags
| Content-Type | text/html; charset=UTF-8 |
| Pragma | no-cache |
| Expires | Mon, 06 Jan 1990 00:00:01 GMT |
Server nginx
Date Thu, 23 Jul 2026 08:40:47 GMT
Content-type text/html
X-powered-by PHP/5.2.17
Set-cookie PHPSESSID=23e2dcfa36cc20e79e19f8c9de3be62c; path=/
Expires Thu, 19 Nov 1981 08:52:00 GMT
Cache-control no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Pragma no-cache