Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 143.204.194.55 |
| Server Software | nginx |
| CDN | CDN (Miss from cloudfront) |
| Compression | gzip |
|
🔒 🟡 Mixed Content (1 HTTP resources) | The page is served over HTTPS but loads 1 resource(s) over HTTP. This may be blocked in modern browsers. |
|
🕐 🟡 Slow Response (1995 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 200
HTTP Version HTTP/1.1
HTTPS ✔ Available
IP Address 143.204.194.55
Server Software nginx
CDN CDN (Miss from cloudfront)
Compression gzip
🔒 🟡 Mixed Content (1 HTTP resources) The page is served over HTTPS but loads 1 resource(s) over HTTP. This may be blocked in modern browsers.
🕐 🟡 Slow Response (1995 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 | 651.1 ms |
| TCP Connect | 651.9 ms |
| TLS Handshake | 5.4 ms |
| Time To First Byte (TTFB) | 1494.4 ms |
| Content Download | 500.8 ms |
| Total Response Time | 1995.2 ms |
DNS Lookup 651.1 ms
TCP Connect 651.9 ms
TLS Handshake 5.4 ms
Time To First Byte (TTFB) 1494.4 ms
Content Download 500.8 ms
Total Response Time 1995.2 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
Detected Technologies
| Technology | Bootstrap jQuery Google Analytics Nginx |
Technology Bootstrap jQuery Google Analytics Nginx
HTTP Headers
| Content-type
| text/html; charset=utf-8 |
| Date
| Tue, 28 Jul 2026 09:36:20 GMT |
| Cache-control
| no-cache, must-revalidate |
| Content-encoding
| gzip |
| Server
| nginx |
| Vary
| Accept-Encoding |
| P3p
| CP="NOI CURa ADMa DEVa TAIa OUR DELa BUS IND PHY ONL UNI COM NAV INT DEM PRE" |
| Set-cookie
| _imweb_login_state=N; path=/ |
| Expires
| Thu, 19 Nov 1981 08:52:00 GMT |
| Pragma
| no-cache |
| X-cache
| Miss from cloudfront |
| Via
| 1.1 17604744a1cad767c0d00b6823182bbc.cloudfront.net (CloudFront) |
| X-amz-cf-pop
| CDG54-P1 |
| X-amz-cf-id
| nMITS7TZtzYGQ4-bcN2i2Pce8P3fCO4kDHDoO1oRlz1efwpg4MmExA== |
Meta Tags
| X-UA-Compatible | IE=edge |
| Theme-color | #4f4f4f |
| Msapplication-navbutton-color | #4f4f4f |
| Apple-mobile-web-app-status-bar-style | black-translucent |
| Application-name | 센트웨어 |
| Msapplication-tooltip | 센트웨어 |
| Description | 즐거운 워크샵 센트웨어 |
| Keywords | 워크샵,센트웨어 |
| Msapplication-TileImage |  |
| Msapplication-square310x310logo |  |
| Viewport | width=device-width,viewport-fit=cover,initial-scale=1.0,minimum-scale=1.0,maximum-scale=1.0,user-scalable=no |
Content-type text/html; charset=utf-8
Date Tue, 28 Jul 2026 09:36:20 GMT
Cache-control no-cache, must-revalidate
Content-encoding gzip
Server nginx
Vary Accept-Encoding
P3p CP="NOI CURa ADMa DEVa TAIa OUR DELa BUS IND PHY ONL UNI COM NAV INT DEM PRE"
Set-cookie _imweb_login_state=N; path=/
Expires Thu, 19 Nov 1981 08:52:00 GMT
Pragma no-cache
X-cache Miss from cloudfront
Via 1.1 17604744a1cad767c0d00b6823182bbc.cloudfront.net (CloudFront)
X-amz-cf-pop CDG54-P1
X-amz-cf-id nMITS7TZtzYGQ4-bcN2i2Pce8P3fCO4kDHDoO1oRlz1efwpg4MmExA==
