Technical Information
| HTTP Status Code | 301 (Redirect) |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 42.97.39.169 |
| Server Software | Tengine |
| CDN | CDN (MISS TCP_REFRESH_MISS dirn:11:399841318) |
|
⚠ 🔴 Connection Timeout | The server did not respond in time. It may be down or have a restrictive firewall. |
|
🕐 🟡 Slow Response (2244 ms) | Response time exceeds 1 second. Consider optimizing the server or using caching. |
|
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 301 (Redirect)
HTTP Version HTTP/1.1
HTTPS ✔ Available
IP Address 42.97.39.169
Server Software Tengine
CDN CDN (MISS TCP_REFRESH_MISS dirn:11:399841318)
⚠ 🔴 Connection Timeout The server did not respond in time. It may be down or have a restrictive firewall.
🕐 🟡 Slow Response (2244 ms) Response time exceeds 1 second. Consider optimizing the server or using caching.
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 | 659.6 ms |
| TCP Connect | 1828.2 ms |
| TLS Handshake | 204.4 ms |
| Time To First Byte (TTFB) | 2241.9 ms |
| Content Download | 2.3 ms |
| Total Response Time | 2244.3 ms |
DNS Lookup 659.6 ms
TCP Connect 1828.2 ms
TLS Handshake 204.4 ms
Time To First Byte (TTFB) 2241.9 ms
Content Download 2.3 ms
Total Response Time 2244.3 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 | 301 Moved Permanently |
Title 301 Moved Permanently
Detected Technologies
| Technology | Google Analytics Nginx |
Technology Google Analytics Nginx
HTTP Headers
| Server | Tengine |
| Content-type | text/html |
| Content-length | 178 |
| Location | https://www.cr173.com/ |
| Date | Thu, 20 Aug 2026 14:46:51 GMT |
| Via | cache76.l2cn2616[0,0,301-0,H], cache65.l2cn2616[1,0], kunlun3.cn7864[41,41,301-0,M], kunlun10.cn7864[43,0] |
| Age | 333 |
| Ali-swift-global-savetime | 1787237211 |
| X-cache | MISS TCP_REFRESH_MISS dirn:11:399841318 |
| X-swift-savetime | Thu, 20 Aug 2026 14:52:24 GMT |
| X-swift-cachetime | 267 |
| Timing-allow-origin | * |
| Eagleid | 2a61279e17872375448285674e |
Server Tengine
Content-type text/html
Content-length 178
Location https://www.cr173.com/
Date Thu, 20 Aug 2026 14:46:51 GMT
Via cache76.l2cn2616[0,0,301-0,H], cache65.l2cn2616[1,0], kunlun3.cn7864[41,41,301-0,M], kunlun10.cn7864[43,0]
Age 333
Ali-swift-global-savetime 1787237211
X-cache MISS TCP_REFRESH_MISS dirn:11:399841318
X-swift-savetime Thu, 20 Aug 2026 14:52:24 GMT
X-swift-cachetime 267
Timing-allow-origin *
Eagleid 2a61279e17872375448285674e
