Technical Information
| HTTP Status Code | 521 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 104.21.20.90 |
| Server Software | cloudflare |
| CDN | Cloudflare |
|
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. |
HTTP Status Code 521
HTTP Version HTTP/1.1
HTTPS ✔ Available
IP Address 104.21.20.90
Server Software cloudflare
CDN Cloudflare
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.
Performance
| DNS Lookup | 28.9 ms |
| TCP Connect | 30.7 ms |
| TLS Handshake | 11.2 ms |
| Time To First Byte (TTFB) | 242.4 ms |
| Content Download | 0.1 ms |
| Total Response Time | 242.4 ms |
DNS Lookup 28.9 ms
TCP Connect 30.7 ms
TLS Handshake 11.2 ms
Time To First Byte (TTFB) 242.4 ms
Content Download 0.1 ms
Total Response Time 242.4 ms
Security
| HTTPS | ✔ Enabled |
| HSTS | ✘ Not configured |
| CSP | ⚠ Not configured |
| X-Frame-Options | ✔ SAMEORIGIN |
| X-Content-Type-Options | ⚠ Not configured |
| Referrer Policy | same-origin |
| HTTP/2 | ⚠ HTTP/1.1 |
HTTPS ✔ Enabled
HSTS ✘ Not configured
CSP ⚠ Not configured
X-Frame-Options ✔ SAMEORIGIN
X-Content-Type-Options ⚠ Not configured
Referrer Policy same-origin
HTTP/2 ⚠ HTTP/1.1
SEO Quick Check
| Title | zagoonline.com | 521: Web server is down |
| Robots Meta | noindex, nofollow |
Title zagoonline.com | 521: Web server is down
Robots Meta noindex, nofollow
Detected Technologies
| Technology | Google Analytics Cloudflare |
Technology Google Analytics Cloudflare
HTTP Headers
| Date | Wed, 22 Jul 2026 19:30:16 GMT |
| Content-type | text/html; charset=UTF-8 |
| Cf-ray | a1f4dbe5988f027e-CDG |
| Access-control-allow-origin | * |
| Cache-control | private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0 |
| Expires | Thu, 01 Jan 1970 00:00:01 GMT |
| Retry-after | 120 |
| Server | cloudflare |
| Access-control-allow-headers | Content-Type, Authorization, X-Requested-With |
| Access-control-allow-methods | GET, POST, PUT, DELETE, OPTIONS |
| Referrer-policy | same-origin |
| X-frame-options | SAMEORIGIN |
| Report-to | {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=g0e7upZuA70VXZZcE4KvkCGOjQm4LyTKtOGZTF9eKBwEoqQNrEbroJz%2BHjq%2Fs9Crt5zjXVijio0YmkjTcPiqR2qf3dOCy3YnMsOZz8cO6fEt0ONTq%2B%2BxKLNh9s3PvRzgPKwXH6J8nf320%2FpKKw%3D%3D"}]} |
| Nel | {"report_to":"cf-nel","success_fraction":0.0,"max_age":604800} |
| Alt-svc | h3=":8443"; ma=86400 |
Meta Tags
| Content-Type | text/html; charset=UTF-8 |
| X-UA-Compatible | IE=Edge |
| Robots | noindex, nofollow |
| Viewport | width=device-width,initial-scale=1 |
Date Wed, 22 Jul 2026 19:30:16 GMT
Content-type text/html; charset=UTF-8
Cf-ray a1f4dbe5988f027e-CDG
Access-control-allow-origin *
Cache-control private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Expires Thu, 01 Jan 1970 00:00:01 GMT
Retry-after 120
Server cloudflare
Access-control-allow-headers Content-Type, Authorization, X-Requested-With
Access-control-allow-methods GET, POST, PUT, DELETE, OPTIONS
Referrer-policy same-origin
X-frame-options SAMEORIGIN
Report-to {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=g0e7upZuA70VXZZcE4KvkCGOjQm4LyTKtOGZTF9eKBwEoqQNrEbroJz%2BHjq%2Fs9Crt5zjXVijio0YmkjTcPiqR2qf3dOCy3YnMsOZz8cO6fEt0ONTq%2B%2BxKLNh9s3PvRzgPKwXH6J8nf320%2FpKKw%3D%3D"}]}
Nel {"report_to":"cf-nel","success_fraction":0.0,"max_age":604800}
Alt-svc h3=":8443"; ma=86400
