Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 104.26.8.66 |
| Server Software | cloudflare |
| CDN | Cloudflare |
| Compression | gzip |
|
🔒 🟡 Mixed Content (3 HTTP resources) | The page is served over HTTPS but loads 3 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 104.26.8.66
Server Software cloudflare
CDN Cloudflare
Compression gzip
🔒 🟡 Mixed Content (3 HTTP resources) The page is served over HTTPS but loads 3 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 | 8.4 ms |
| TCP Connect | 9.7 ms |
| TLS Handshake | 8.3 ms |
| Time To First Byte (TTFB) | 565.7 ms |
| Content Download | 0.3 ms |
| Total Response Time | 565.9 ms |
DNS Lookup 8.4 ms
TCP Connect 9.7 ms
TLS Handshake 8.3 ms
Time To First Byte (TTFB) 565.7 ms
Content Download 0.3 ms
Total Response Time 565.9 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
Detected Technologies
| Technology | jQuery Google Analytics Google Tag Manager Cloudflare |
Technology jQuery Google Analytics Google Tag Manager Cloudflare
HTTP Headers
| Date
| Thu, 23 Jul 2026 14:33:15 GMT |
| Content-type
| text/html; charset=UTF-8 |
| Server
| cloudflare |
| Set-cookie
| ot_session=hhrmnesnc02mjucgmji5m1jpemvfpq5r; expires=Mon, 21-Sep-2026 14:33:15 GMT; Max-Age=5184000; path=/; domain=opentutorials.org; secure; HttpOnly; SameSite=Lax |
| Expires
| Thu, 19 Nov 1981 08:52:00 GMT |
| Cache-control
| no-store, no-cache, must-revalidate |
| Pragma
| no-cache |
| Vary
| User-Agent,Accept,Accept-Encoding |
| Nel
| {"report_to":"cf-nel","success_fraction":0.0,"max_age":604800} |
| Report-to
| {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=RJz%2BOH2kaRHnJZ7zN4d9sfN%2BFSvV7A%2FycmytOZO4mZi90ZuaADIag5yJOf1%2BXvpE%2BoNB4pfO6tSR%2FlCfPvR3roUEjtYDzK%2BEKYddIcsi7N5ZbitCQoGU%2FiqUUmvWpulSb3en00YyGFcvLlhP3W27"}]} |
| Cf-cache-status
| DYNAMIC |
| Content-encoding
| gzip |
| Cf-ray
| a1fb662cbd95f848-CDG |
Meta Tags
| Author | OpenTutorials |
| X-ua-compatible | IE=9; IE=8; IE=7; IE=EDGE |
| Viewport | width=1100 |
| Msvalidate.01 | 38F3F6222A49941240DB3F42B42ED925 |
| Google-site-verification | s1U-oFNCzCoQBrnEt3c8xJS1GWMn3F7eVjtQwWZzs2k |
Date Thu, 23 Jul 2026 14:33:15 GMT
Content-type text/html; charset=UTF-8
Server cloudflare
Set-cookie ot_session=hhrmnesnc02mjucgmji5m1jpemvfpq5r; expires=Mon, 21-Sep-2026 14:33:15 GMT; Max-Age=5184000; path=/; domain=opentutorials.org; secure; HttpOnly; SameSite=Lax
Expires Thu, 19 Nov 1981 08:52:00 GMT
Cache-control no-store, no-cache, must-revalidate
Pragma no-cache
Vary User-Agent,Accept,Accept-Encoding
Nel {"report_to":"cf-nel","success_fraction":0.0,"max_age":604800}
Report-to {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=RJz%2BOH2kaRHnJZ7zN4d9sfN%2BFSvV7A%2FycmytOZO4mZi90ZuaADIag5yJOf1%2BXvpE%2BoNB4pfO6tSR%2FlCfPvR3roUEjtYDzK%2BEKYddIcsi7N5ZbitCQoGU%2FiqUUmvWpulSb3en00YyGFcvLlhP3W27"}]}
Cf-cache-status DYNAMIC
Content-encoding gzip
Cf-ray a1fb662cbd95f848-CDG
