Checking results for: rosalind.info
Additional info for https://rosalind.info
Technical Information
| HTTP Status Code | 403 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 13.94.194.131 |
| Server Software | nginx/1.10.3 |
| Compression | gzip |
|
🚫 🟡 HTTP 403 Error | The server returned a 403 error. Check the access configuration. |
|
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 403
HTTP Version HTTP/1.1
HTTPS ✔ Available
IP Address 13.94.194.131
Server Software nginx/1.10.3
Compression gzip
🚫 🟡 HTTP 403 Error The server returned a 403 error. Check the access configuration.
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 | 6.3 ms |
| TCP Connect | 19.7 ms |
| TLS Handshake | 30 ms |
| Time To First Byte (TTFB) | 63.2 ms |
| Content Download | 0.2 ms |
| Total Response Time | 63.4 ms |
DNS Lookup 6.3 ms
TCP Connect 19.7 ms
TLS Handshake 30 ms
Time To First Byte (TTFB) 63.2 ms
Content Download 0.2 ms
Total Response Time 63.4 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 403 Forbidden
Detected Technologies
Technology Nginx
HTTP Headers
| Server | nginx/1.10.3 |
| Date | Fri, 24 Jul 2026 16:52:48 GMT |
| Content-type | text/html; charset=utf-8 |
| Content-encoding | gzip |
Server nginx/1.10.3
Date Fri, 24 Jul 2026 16:52:48 GMT
Content-type text/html; charset=utf-8
Content-encoding gzip
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