Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 211.86.56.247 |
| Server Software | cmproxy |
| Compression | gzip |
|
🔒 🟡 Mixed Content (1 HTTP resources) | The page is served over HTTPS but loads 1 resource(s) over HTTP. This may be blocked in modern browsers. |
|
🕐 🟡 Slow Response (1295 ms) | Response time exceeds 1 second. Consider optimizing the server or using caching. |
|
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 211.86.56.247
Server Software cmproxy
Compression gzip
🔒 🟡 Mixed Content (1 HTTP resources) The page is served over HTTPS but loads 1 resource(s) over HTTP. This may be blocked in modern browsers.
🕐 🟡 Slow Response (1295 ms) Response time exceeds 1 second. Consider optimizing the server or using caching.
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 | 662.5 ms |
| TCP Connect | 869.8 ms |
| TLS Handshake | 210.6 ms |
| Time To First Byte (TTFB) | 1294.8 ms |
| Content Download | 0.2 ms |
| Total Response Time | 1294.9 ms |
DNS Lookup 662.5 ms
TCP Connect 869.8 ms
TLS Handshake 210.6 ms
Time To First Byte (TTFB) 1294.8 ms
Content Download 0.2 ms
Total Response Time 1294.9 ms
Security
| HTTPS | ✔ Enabled |
| HSTS | ✔ max-age=31536000 |
| CSP | ⚠ Not configured |
| X-Frame-Options | ⚠ Not configured |
| X-Content-Type-Options | ⚠ Not configured |
| HTTP/2 | ⚠ HTTP/1.1 |
HTTPS ✔ Enabled
HSTS ✔ max-age=31536000
CSP ⚠ Not configured
X-Frame-Options ⚠ Not configured
X-Content-Type-Options ⚠ Not configured
HTTP/2 ⚠ HTTP/1.1
SEO Quick Check
| Title | Shandong University Mail System |
Title Shandong University Mail System
Detected Technologies
| Technology | Google Analytics |
Technology Google Analytics
HTTP Headers
| Server
| cmproxy |
| Date
| Tue, 28 Jul 2026 13:45:29 GMT |
| Content-Type
| text/html;charset=UTF-8 |
| Transfer-Encoding
| chunked |
| Connection
| keep-alive |
| Vary
| Accept-Encoding |
| Pragma
| No-cache |
| Cache-Control
| no-cache |
| Expires
| Thu, 01 Jan 1970 00:00:00 GMT |
| Content-Language
| en-US |
| X-XSS-Protection
| 0 |
| Strict-Transport-Security
| max-age=31536000 |
| Content-Encoding
| gzip |
Meta Tags
| X-UA-Compatible | IE=Edge,chrome=1 |
| Renderer | webkit|ie-stand |
Server cmproxy
Date Tue, 28 Jul 2026 13:45:29 GMT
Content-Type text/html;charset=UTF-8
Transfer-Encoding chunked
Connection keep-alive
Vary Accept-Encoding
Pragma No-cache
Cache-Control no-cache
Expires Thu, 01 Jan 1970 00:00:00 GMT
Content-Language en-US
X-XSS-Protection 0
Strict-Transport-Security max-age=31536000
Content-Encoding gzip
