Checking results for: yonsei.ac.kr
Additional info for https://yonsei.ac.kr
Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 165.132.13.87 |
|
🕐 🟡 Slow Response (2267 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). |
|
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 165.132.13.87
🕐 🟡 Slow Response (2267 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).
ℹ 🔵 No Compression The server does not use Gzip or Brotli. Enable compression to reduce bandwidth usage.
Performance
| DNS Lookup | 1452.4 ms |
| TCP Connect | 1721.4 ms |
| TLS Handshake | 272.9 ms |
| Time To First Byte (TTFB) | 2266.3 ms |
| Content Download | 0.5 ms |
| Total Response Time | 2266.8 ms |
DNS Lookup 1452.4 ms
TCP Connect 1721.4 ms
TLS Handshake 272.9 ms
Time To First Byte (TTFB) 2266.3 ms
Content Download 0.5 ms
Total Response Time 2266.8 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
HTTP Headers
| Cache-Control
| no-cache |
| Connection
| keep-alive |
| Pragma
| no-cache |
| Expires
| Thu, 01 Jan 1970 00:00:00 GMT |
| Content-Length
| 1737 |
| Date
| Fri, 24 Jul 2026 23:39:18 GMT |
| Content-Type
| text/html; charset=UTF-8 |
Meta Tags
Cache-Control no-cache
Connection keep-alive
Pragma no-cache
Expires Thu, 01 Jan 1970 00:00:00 GMT
Content-Length 1737
Date Fri, 24 Jul 2026 23:39:18 GMT
Content-Type text/html; charset=UTF-8
Og:url https://www.yonsei.ac.kr Og:type website Og:title Yonsei University Og:image 
Og:image:width 600 Og:image:height 315 Og:description 연세대학교 Yonsei University
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