Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 45.220.164.163 |
| Server Software | nginx/1.20.1 |
| Compression | gzip |
|
🔒 🟡 Mixed Content (21 HTTP resources) | The page is served over HTTPS but loads 21 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 45.220.164.163
Server Software nginx/1.20.1
Compression gzip
🔒 🟡 Mixed Content (21 HTTP resources) The page is served over HTTPS but loads 21 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 | 12.6 ms |
| TCP Connect | 176.4 ms |
| TLS Handshake | 166.9 ms |
| Time To First Byte (TTFB) | 570.1 ms |
| Content Download | 0.1 ms |
| Total Response Time | 570.2 ms |
DNS Lookup 12.6 ms
TCP Connect 176.4 ms
TLS Handshake 166.9 ms
Time To First Byte (TTFB) 570.1 ms
Content Download 0.1 ms
Total Response Time 570.2 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/1.20.1 |
| Date
| Fri, 21 Aug 2026 10:59:29 GMT |
| Content-type
| text/html |
| X-powered-by
| PHP/5.2.17 |
| Set-cookie
| PHPSESSID=3vrio24a0h9nsqg6ggi2iv66p2; 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 |
| Content-encoding
| gzip |
Meta Tags
| Content-Type | text/html; charset=UTF-8 |
| Pragma | no-cache |
| Expires | Mon, 06 Jan 1990 00:00:01 GMT |
Server nginx/1.20.1
Date Fri, 21 Aug 2026 10:59:29 GMT
Content-type text/html
X-powered-by PHP/5.2.17
Set-cookie PHPSESSID=3vrio24a0h9nsqg6ggi2iv66p2; 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
Content-encoding gzip
