Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 175.45.214.10 |
| Server Software | Apache |
|
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 175.45.214.10
Server Software Apache
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://teacherville.co.kr:443 | 302 | HTTP/1.1 302 Found |
| 2 | http://www.teacherville.co.kr | 301 | HTTP/1.1 301 Moved Permanently |
| 3 | https://www.teacherville.co.kr:443/ | 200 | HTTP/1.1 200 200 |
#1 URL https://teacherville.co.kr:443
HTTP Status Code 302
Status HTTP/1.1 302 Found
#2 URL http://www.teacherville.co.kr
HTTP Status Code 301
Status HTTP/1.1 301 Moved Permanently
#3 URL https://www.teacherville.co.kr:443/
HTTP Status Code 200
Status HTTP/1.1 200 200
Performance
| DNS Lookup | 5.2 ms |
| TCP Connect | 274 ms |
| TLS Handshake | 272.6 ms |
| Time To First Byte (TTFB) | 841.5 ms |
| Content Download | 0 ms |
| Total Response Time | 841.5 ms |
DNS Lookup 5.2 ms
TCP Connect 274 ms
TLS Handshake 272.6 ms
Time To First Byte (TTFB) 841.5 ms
Content Download 0 ms
Total Response Time 841.5 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
Detected Technologies
Technology Apache
HTTP Headers
| Date
| Tue, 28 Jul 2026 02:53:23 GMT |
| Server
| Apache |
| Content-Length
| 5601 |
| Access-Control-Allow-Origin
| * |
| Access-Control-Allow-Methods
| GET, POST, OPTIONS |
| Access-Control-Allow-Headers
| DNT,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Range |
| Access-Control-Expose-Headers
| Content-Length,Content-Range |
| Content-Type
| text/html;charset=UTF-8 |
Date Tue, 28 Jul 2026 02:53:23 GMT
Server Apache
Content-Length 5601
Access-Control-Allow-Origin *
Access-Control-Allow-Methods GET, POST, OPTIONS
Access-Control-Allow-Headers DNT,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Range
Access-Control-Expose-Headers Content-Length,Content-Range
Content-Type text/html;charset=UTF-8
