Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 104.26.9.194 |
| Server Software | cloudflare |
| CDN | Cloudflare |
| Compression | gzip |
|
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 104.26.9.194
Server Software cloudflare
CDN Cloudflare
Compression gzip
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 | 10.9 ms |
| TCP Connect | 25.2 ms |
| TLS Handshake | 21.7 ms |
| Time To First Byte (TTFB) | 317.5 ms |
| Content Download | 0.9 ms |
| Total Response Time | 318.4 ms |
DNS Lookup 10.9 ms
TCP Connect 25.2 ms
TLS Handshake 21.7 ms
Time To First Byte (TTFB) 317.5 ms
Content Download 0.9 ms
Total Response Time 318.4 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 OAPEN Home | OAPEN
Detected Technologies
| Technology | jQuery Google Analytics Google Tag Manager Cloudflare |
Technology jQuery Google Analytics Google Tag Manager Cloudflare
HTTP Headers
| Date
| Tue, 21 Jul 2026 11:40:47 GMT |
| Content-type
| text/html;charset=UTF-8 |
| Server
| cloudflare |
| Nel
| {"report_to":"cf-nel","success_fraction":0.0,"max_age":604800} |
| Content-language
| en-US |
| Report-to
| {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=7wM3PWwcCvPSzkA7xj2nBWPVgbnbSy0MezfSJdVRg84urHzSYOXk%2Fx8Ofn%2BNk5Mh%2BvuHYFnPINlK%2B9vxj4xm4r3aT0xK6HYMRD94f4xkwduu3sQDWk%2ByM14dhHJdY9o7W4Ag9sQ04A%3D%3D"}]} |
| Cf-cache-status
| DYNAMIC |
| Vary
| accept-encoding |
| Content-encoding
| gzip |
| Cf-ray
| a1e9eecc6d961c0a-AMS |
Meta Tags
| Viewport | width=device-width, initial-scale=1.0 |
| Theme-color | #111111 |
Date Tue, 21 Jul 2026 11:40:47 GMT
Content-type text/html;charset=UTF-8
Server cloudflare
Nel {"report_to":"cf-nel","success_fraction":0.0,"max_age":604800}
Content-language en-US
Report-to {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=7wM3PWwcCvPSzkA7xj2nBWPVgbnbSy0MezfSJdVRg84urHzSYOXk%2Fx8Ofn%2BNk5Mh%2BvuHYFnPINlK%2B9vxj4xm4r3aT0xK6HYMRD94f4xkwduu3sQDWk%2ByM14dhHJdY9o7W4Ag9sQ04A%3D%3D"}]}
Cf-cache-status DYNAMIC
Vary accept-encoding
Content-encoding gzip
Cf-ray a1e9eecc6d961c0a-AMS