Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 5.148.188.116 |
| Server Software | Apache |
| Compression | gzip |
HTTP Status Code 200
HTTP Version HTTP/1.1
HTTPS ✔ Available
IP Address 5.148.188.116
Server Software Apache
Compression gzip
Redirect Chain
| # | URL | HTTP Status Code | Status |
| 1 | https://sis-berlin.de:443 | 301 | HTTP/2 301 |
| 2 | https://swissinternationalschool.de/ | 301 | HTTP/2 301 |
| 3 | https://www.swissinternationalschool.de/ | 200 | HTTP/2 200 |
#1 URL https://sis-berlin.de:443
HTTP Status Code 301
Status HTTP/2 301
#2 URL https://swissinternationalschool.de/
HTTP Status Code 301
Status HTTP/2 301
#3 URL https://www.swissinternationalschool.de/
HTTP Status Code 200
Status HTTP/2 200
Performance
| DNS Lookup | 28.9 ms |
| TCP Connect | 38.8 ms |
| TLS Handshake | 16.5 ms |
| Time To First Byte (TTFB) | 86.6 ms |
| Content Download | 0.7 ms |
| Total Response Time | 87.3 ms |
DNS Lookup 28.9 ms
TCP Connect 38.8 ms
TLS Handshake 16.5 ms
Time To First Byte (TTFB) 86.6 ms
Content Download 0.7 ms
Total Response Time 87.3 ms
Security
| HTTPS | ✔ Enabled |
| HSTS | ✔ max-age=31536000; includeSubDomains; preload |
| CSP | ✔ Configured |
| X-Frame-Options | ✔ SAMEORIGIN |
| X-Content-Type-Options | ✔ nosniff |
| Referrer Policy | strict-origin-when-cross-origin |
| Permissions Policy | ✔ Configured |
| HTTP/2 | ⚠ HTTP/1.1 |
HTTPS ✔ Enabled
HSTS ✔ max-age=31536000; includeSubDomains; preload
CSP ✔ Configured
X-Frame-Options ✔ SAMEORIGIN
X-Content-Type-Options ✔ nosniff
Referrer Policy strict-origin-when-cross-origin
Permissions Policy ✔ Configured
HTTP/2 ⚠ HTTP/1.1
SEO Quick Check
| Title | SIS Germany: SIS Deutschland |
| Canonical | https://www.swissinternationalschool.de/ |
Title SIS Germany: SIS Deutschland
Canonical https://www.swissinternationalschool.de/
Detected Technologies
| Technology | Google Analytics Apache PHP |
Technology Google Analytics Apache PHP
HTTP Headers
| Strict-transport-security
| max-age=31536000; includeSubDomains; preload |
| X-frame-options
| SAMEORIGIN |
| X-xss-protection
| 1; mode=block |
| X-content-type-options
| nosniff |
| Referrer-policy
| strict-origin-when-cross-origin |
| Permissions-policy
| geolocation=(), microphone=(), camera=(), payment=() |
| Vary
| Accept-Encoding |
| Last-modified
| Thu, 23 Jul 2026 12:43:47 GMT |
| Accept-ranges
| bytes |
| Content-length
| 10913 |
| Cache-control
| max-age=0 |
| Expires
| Fri, 24 Jul 2026 00:29:41 GMT |
| X-ua-compatible
| IE=edge |
| Content-security-policy
| frame-ancestors 'self' *.haufe-x360.app *.lexware-erp.net; |
| Content-type
| text/html; charset=utf-8 |
| Content-language
| de-DE |
| X-sfc-tags
| tx_news, tx_news_pid_47, pageId_2 |
| Content-encoding
| gzip |
| Date
| Fri, 24 Jul 2026 00:29:41 GMT |
| Server
| Apache |
Meta Tags
| Viewport | width=device-width, initial-scale=1.0 |
Strict-transport-security max-age=31536000; includeSubDomains; preload
X-frame-options SAMEORIGIN
X-xss-protection 1; mode=block
X-content-type-options nosniff
Referrer-policy strict-origin-when-cross-origin
Permissions-policy geolocation=(), microphone=(), camera=(), payment=()
Vary Accept-Encoding
Last-modified Thu, 23 Jul 2026 12:43:47 GMT
Accept-ranges bytes
Content-length 10913
Cache-control max-age=0
Expires Fri, 24 Jul 2026 00:29:41 GMT
X-ua-compatible IE=edge
Content-security-policy frame-ancestors 'self' *.haufe-x360.app *.lexware-erp.net;
Content-type text/html; charset=utf-8
Content-language de-DE
X-sfc-tags tx_news, tx_news_pid_47, pageId_2
Content-encoding gzip
Date Fri, 24 Jul 2026 00:29:41 GMT
Server Apache
