Checking results for: w3school.cn
Additional info for https://w3school.cn
Technical Information
| HTTPS | ✔ Available |
| IP Address | 211.99.222.46 |
HTTPS ✔ Available
IP Address 211.99.222.46
Performance
| DNS Lookup | ~5 ms |
| TCP Connect | ~30 ms |
| TLS Handshake | ~80 ms |
| Time To First Byte (TTFB) | online timeout |
| Content Download | 0 ms |
| Total Response Time | > 5000 ms |
DNS Lookup ~5 ms
TCP Connect ~30 ms
TLS Handshake ~80 ms
Time To First Byte (TTFB) online timeout
Content Download 0 ms
Total Response Time > 5000 ms
Security
| HTTPS | ✘ Not active |
| HSTS | ✘ Not configured |
| CSP | ⚠ Not configured |
| X-Frame-Options | ⚠ Not configured |
| X-Content-Type-Options | ⚠ Not configured |
HTTPS ✘ Not active
HSTS ✘ Not configured
CSP ⚠ Not configured
X-Frame-Options ⚠ Not configured
X-Content-Type-Options ⚠ Not configured
HTTP Headers
| Status | online connection established |
|---|
| Host | w3school.cn |
|---|
Status online connection established
Host w3school.cn
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