Checking results for: sm.cn
Additional info for https://sm.cn
Technical Information
| HTTP Status Code | 404 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 106.11.45.9 |
| Server Software | Userver |
| Compression | gzip |
|
🔍 🟡 404 Not Found | The requested page does not exist. Check the URL or server 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 404
HTTP Version HTTP/1.1
HTTPS ✔ Available
IP Address 106.11.45.9
Server Software Userver
Compression gzip
🔍 🟡 404 Not Found The requested page does not exist. Check the URL or server 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 | 22.8 ms |
| TCP Connect | 192.7 ms |
| TLS Handshake | 346.5 ms |
| Time To First Byte (TTFB) | 711 ms |
| Content Download | 0 ms |
| Total Response Time | 711 ms |
DNS Lookup 22.8 ms
TCP Connect 192.7 ms
TLS Handshake 346.5 ms
Time To First Byte (TTFB) 711 ms
Content Download 0 ms
Total Response Time 711 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 404 Not Found
HTTP Headers
| Server | Userver |
| Date | Wed, 22 Jul 2026 13:43:15 GMT |
| Content-type | text/html |
| Vary | Accept-Encoding |
| Content-encoding | gzip |
Server Userver
Date Wed, 22 Jul 2026 13:43:15 GMT
Content-type text/html
Vary Accept-Encoding
Content-encoding gzip
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