Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 212.56.33.142 |
| Server Software | nginx/1.20.1 |
| Compression | gzip |
|
🔒 🟡 Mixed Content (18 HTTP resources) | The page is served over HTTPS but loads 18 resource(s) over HTTP. This may be blocked in modern browsers. |
HTTP Status Code 200
HTTP Version HTTP/1.1
HTTPS ✔ Available
IP Address 212.56.33.142
Server Software nginx/1.20.1
Compression gzip
🔒 🟡 Mixed Content (18 HTTP resources) The page is served over HTTPS but loads 18 resource(s) over HTTP. This may be blocked in modern browsers.
Redirect Chain
| # | URL | HTTP Status Code | Status |
| 1 | https://ve.scielo.org:443 | 302 | HTTP/2 302 |
| 2 | https://ve.scielo.org/./scielo.php | 200 | HTTP/2 200 |
#1 URL https://ve.scielo.org:443
HTTP Status Code 302
Status HTTP/2 302
#2 URL https://ve.scielo.org/./scielo.php
HTTP Status Code 200
Status HTTP/2 200
Performance
| DNS Lookup | 0.5 ms |
| TCP Connect | 79.6 ms |
| TLS Handshake | 81.3 ms |
| Time To First Byte (TTFB) | 272.3 ms |
| Content Download | 0.1 ms |
| Total Response Time | 272.4 ms |
DNS Lookup 0.5 ms
TCP Connect 79.6 ms
TLS Handshake 81.3 ms
Time To First Byte (TTFB) 272.3 ms
Content Download 0.1 ms
Total Response Time 272.4 ms
Security
| HTTPS | ✔ Enabled |
| HSTS | ✔ max-age=15768000 |
| CSP | ✔ Configured |
| X-Frame-Options | ✔ SAMEORIGIN |
| X-Content-Type-Options | ✔ nosniff |
| Referrer Policy | strict-origin-when-cross-origin |
| Permissions Policy | ✔ Configured |
| HTTP/2 | ⚠ HTTP/1.1 |
HTTPS ✔ Enabled
HSTS ✔ max-age=15768000
CSP ✔ Configured
X-Frame-Options ✔ SAMEORIGIN
X-Content-Type-Options ✔ nosniff
Referrer Policy strict-origin-when-cross-origin
Permissions Policy ✔ Configured
HTTP/2 ⚠ HTTP/1.1
SEO Quick Check
| Title | SciELO - Scientific Electronic Library Online |
Title SciELO - Scientific Electronic Library Online
Detected Technologies
Technology Nginx PHP
HTTP Headers
| Server
| nginx/1.20.1 |
| Date
| Thu, 20 Aug 2026 18:32:52 GMT |
| Content-type
| text/html; charset=UTF-8 |
| Vary
| Accept-Encoding |
| Expires
| Thu, 19 Nov 1981 08:52:00 GMT |
| Cache-control
| no-store, no-cache, must-revalidate |
| Pragma
| no-cache |
| Set-cookie
| PHPSESSID=251ad0d1196cd060ac4b5dac639432e3; path=/; secure; HttpOnly; SameSite=Lax |
| X-content-type-options
| nosniff |
| X-frame-options
| SAMEORIGIN |
| Referrer-policy
| strict-origin-when-cross-origin |
| Permissions-policy
| geolocation=(), microphone=(), camera=() |
| Content-security-policy
| default-src 'self' 'unsafe-inline' 'unsafe-eval' data: blob: http: https: |
| Strict-transport-security
| max-age=15768000 |
| X-xss-protection
| 1; mode=block |
| Content-encoding
| gzip |
Meta Tags
| Content-Type | text/html; charset=UTF-8 |
| Viewport | width=device-width, initial-scale=1 |
| Pragma | no-cache |
| Expires | Mon, 06 Jan 1990 00:00:01 GMT |
Server nginx/1.20.1
Date Thu, 20 Aug 2026 18:32:52 GMT
Content-type text/html; charset=UTF-8
Vary Accept-Encoding
Expires Thu, 19 Nov 1981 08:52:00 GMT
Cache-control no-store, no-cache, must-revalidate
Pragma no-cache
Set-cookie PHPSESSID=251ad0d1196cd060ac4b5dac639432e3; path=/; secure; HttpOnly; SameSite=Lax
X-content-type-options nosniff
X-frame-options SAMEORIGIN
Referrer-policy strict-origin-when-cross-origin
Permissions-policy geolocation=(), microphone=(), camera=()
Content-security-policy default-src 'self' 'unsafe-inline' 'unsafe-eval' data: blob: http: https:
Strict-transport-security max-age=15768000
X-xss-protection 1; mode=block
Content-encoding gzip
