Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 8.129.127.240 |
| Server Software | openresty/1.19.3.1 |
|
🔄 🟡 Long Redirect Chain | There are 5 redirects, which may affect SEO and performance. |
|
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). |
|
ℹ 🔵 No Compression | The server does not use Gzip or Brotli. Enable compression to reduce bandwidth usage. |
HTTP Status Code 200
HTTP Version HTTP/1.1
HTTPS ✔ Available
IP Address 8.129.127.240
Server Software openresty/1.19.3.1
🔄 🟡 Long Redirect Chain There are 5 redirects, which may affect SEO and performance.
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).
ℹ 🔵 No Compression The server does not use Gzip or Brotli. Enable compression to reduce bandwidth usage.
Redirect Chain
| # | URL | HTTP Status Code | Status |
| 1 | https://www.defu123.com:443 | 302 | HTTP/1.1 302 Found |
| 2 | http://www.defu123.com/index.html | 301 | HTTP/1.1 301 Moved Permanently |
| 3 | https://www.defu123.com/index.html | 302 | HTTP/1.1 302 Found |
| 4 | http://www.defu123.com/siteAccess/verifyPage.do | 301 | HTTP/1.1 301 Moved Permanently |
| 5 | https://www.defu123.com/siteAccess/verifyPage.do | 200 | HTTP/1.1 200 OK |
#1 URL https://www.defu123.com:443
HTTP Status Code 302
Status HTTP/1.1 302 Found
#2 URL http://www.defu123.com/index.html
HTTP Status Code 301
Status HTTP/1.1 301 Moved Permanently
#3 URL https://www.defu123.com/index.html
HTTP Status Code 302
Status HTTP/1.1 302 Found
#4 URL http://www.defu123.com/siteAccess/verifyPage.do
HTTP Status Code 301
Status HTTP/1.1 301 Moved Permanently
#5 URL https://www.defu123.com/siteAccess/verifyPage.do
HTTP Status Code 200
Status HTTP/1.1 200 OK
Performance
| DNS Lookup | 4.1 ms |
| TCP Connect | 206.7 ms |
| TLS Handshake | 407.5 ms |
| Time To First Byte (TTFB) | 821.1 ms |
| Content Download | 0 ms |
| Total Response Time | 821.2 ms |
DNS Lookup 4.1 ms
TCP Connect 206.7 ms
TLS Handshake 407.5 ms
Time To First Byte (TTFB) 821.1 ms
Content Download 0 ms
Total Response Time 821.2 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 安全验证 - 德富塑料网
HTTP Headers
| Server
| openresty/1.19.3.1 |
| Date
| Sat, 25 Jul 2026 14:56:21 GMT |
| Content-Type
| text/html;charset=UTF-8 |
| Transfer-Encoding
| chunked |
| Connection
| keep-alive |
Meta Tags
| Content-Type | text/html; charset=utf-8 |
| Viewport | width=device-width,minimum-scale=1.0,maximum-scale=1.0,user-scalable=no |
Server openresty/1.19.3.1
Date Sat, 25 Jul 2026 14:56:21 GMT
Content-Type text/html;charset=UTF-8
Transfer-Encoding chunked
Connection keep-alive
