Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 141.223.5.166 |
|
🔒 🟡 Mixed Content (2 HTTP resources) | The page is served over HTTPS but loads 2 resource(s) over HTTP. This may be blocked in modern browsers. |
|
🕐 🟡 Slow Response (1536 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 🔵 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 141.223.5.166
🔒 🟡 Mixed Content (2 HTTP resources) The page is served over HTTPS but loads 2 resource(s) over HTTP. This may be blocked in modern browsers.
🕐 🟡 Slow Response (1536 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 🔵 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://postech.ac.kr:443 | 302 | HTTP/1.1 302 |
| 2 | https://postech.ac.kr/index.do | 303 | HTTP/1.1 303 |
| 3 | https://postech.ac.kr/kor/index.do | 200 | HTTP/1.1 200 |
#1 URL https://postech.ac.kr:443
HTTP Status Code 302
Status HTTP/1.1 302
#2 URL https://postech.ac.kr/index.do
HTTP Status Code 303
Status HTTP/1.1 303
#3 URL https://postech.ac.kr/kor/index.do
HTTP Status Code 200
Status HTTP/1.1 200
Performance
| DNS Lookup | 1.3 ms |
| TCP Connect | 256.5 ms |
| TLS Handshake | 259.2 ms |
| Time To First Byte (TTFB) | 1025.6 ms |
| Content Download | 510.5 ms |
| Total Response Time | 1536 ms |
DNS Lookup 1.3 ms
TCP Connect 256.5 ms
TLS Handshake 259.2 ms
Time To First Byte (TTFB) 1025.6 ms
Content Download 510.5 ms
Total Response Time 1536 ms
Security
| HTTPS | ✔ Enabled |
| HSTS | ✘ Not configured |
| CSP | ✔ Configured |
| X-Frame-Options | ✔ ALLOW-FROM https://*.postech.ac.kr |
| X-Content-Type-Options | ⚠ Not configured |
| HTTP/2 | ⚠ HTTP/1.1 |
HTTPS ✔ Enabled
HSTS ✘ Not configured
CSP ✔ Configured
X-Frame-Options ✔ ALLOW-FROM https://*.postech.ac.kr
X-Content-Type-Options ⚠ Not configured
HTTP/2 ⚠ HTTP/1.1
SEO Quick Check
Detected Technologies
| Technology | Google Analytics Google Tag Manager PHP |
Technology Google Analytics Google Tag Manager PHP
HTTP Headers
| Date
| Tue, 28 Jul 2026 16:34:31 GMT |
| Content-Type
| text/html;charset=UTF-8 |
| Transfer-Encoding
| chunked |
| Connection
| keep-alive |
| Cms-Container
| ffb7c521f271e28a |
| Content-Security-Policy
| frame-ancestors 'self' https://*.postech.ac.kr |
| Content-Language
| en-US |
| X-XSS-Protection
| 1; mode=block |
| X-Frame-Options
| ALLOW-FROM https://*.postech.ac.kr |
Meta Tags
| Content-Type | text/html; charset=utf-8 |
| X-UA-Compatible | IE=edge |
| Viewport | width=device-width,initial-scale=1.0,minimum-scale=1.0,maximum-scale=1.0,user-scalable=no |
| Google-site-verification | xDMRjUM0CjUIgV6rqycHaBUBc2avtpfxmku6Gutm8zo |
Date Tue, 28 Jul 2026 16:34:31 GMT
Content-Type text/html;charset=UTF-8
Transfer-Encoding chunked
Connection keep-alive
Cms-Container ffb7c521f271e28a
Content-Security-Policy frame-ancestors 'self' https://*.postech.ac.kr
Content-Language en-US
X-XSS-Protection 1; mode=block
X-Frame-Options ALLOW-FROM https://*.postech.ac.kr
