Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 104.18.13.19 |
| Server Software | cloudflare |
| CDN | Cloudflare |
| 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. |
|
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 104.18.13.19
Server Software cloudflare
CDN Cloudflare
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.
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).
Redirect Chain
| # | URL | HTTP Status Code | Status |
| 1 | https://wiener-staatsoper.at:443 | 301 | HTTP/2 301 |
| 2 | https://www.wiener-staatsoper.at/ | 200 | HTTP/2 200 |
#1 URL https://wiener-staatsoper.at:443
HTTP Status Code 301
Status HTTP/2 301
#2 URL https://www.wiener-staatsoper.at/
HTTP Status Code 200
Status HTTP/2 200
Performance
| DNS Lookup | 5.2 ms |
| TCP Connect | 6.8 ms |
| TLS Handshake | 7.7 ms |
| Time To First Byte (TTFB) | 33.8 ms |
| Content Download | 1.2 ms |
| Total Response Time | 34.9 ms |
DNS Lookup 5.2 ms
TCP Connect 6.8 ms
TLS Handshake 7.7 ms
Time To First Byte (TTFB) 33.8 ms
Content Download 1.2 ms
Total Response Time 34.9 ms
Security
| HTTPS | ✔ Enabled |
| HSTS | ✘ Not configured |
| CSP | ⚠ Not configured |
| X-Frame-Options | ⚠ Not configured |
| X-Content-Type-Options | ✔ nosniff |
| HTTP/2 | ⚠ HTTP/1.1 |
HTTPS ✔ Enabled
HSTS ✘ Not configured
CSP ⚠ Not configured
X-Frame-Options ⚠ Not configured
X-Content-Type-Options ✔ nosniff
HTTP/2 ⚠ HTTP/1.1
SEO Quick Check
| Title | Die Wiener Staatsoper |
| Meta Description | Oper und Ballett in einem der berühmtesten Opernhäuser der Welt. |
| Canonical | https://www.wiener-staatsoper.at/ |
| Open Graph Title | Die Wiener Staatsoper |
| Open Graph Description | Oper und Ballett in einem der berühmtesten Opernhäuser der Welt. |
| Open Graph Image | https://www.wiener-staatsoper.at/cdn-cgi/image/width=2000... |
| Twitter Card | summary |
Title Die Wiener Staatsoper Meta Description Oper und Ballett in einem der berühmtesten Opernhäuser der Welt. Canonical https://www.wiener-staatsoper.at/ Open Graph Title Die Wiener Staatsoper Open Graph Description Oper und Ballett in einem der berühmtesten Opernhäuser der Welt. Open Graph Image https://www.wiener-staatsoper.at/cdn-cgi/image/width=2000... Twitter Card summary Detected Technologies
| Technology | Bootstrap Google Analytics Cloudflare PHP |
Technology Bootstrap Google Analytics Cloudflare PHP
HTTP Headers
| Date
| Tue, 28 Jul 2026 04:37:45 GMT |
| Content-type
| text/html; charset=utf-8 |
| Content-language
| de-AT |
| Expires
| Tue, 28 Jul 2026 04:47:18 GMT |
| Cache-control
| max-age=860 |
| Pragma
| public |
| Vary
| Accept-Encoding |
| X-ua-compatible
| IE=edge |
| X-content-type-options
| nosniff |
| Server
| cloudflare |
| Cf-cache-status
| HIT |
| Age
| 287 |
| Last-modified
| Tue, 28 Jul 2026 04:32:58 GMT |
| Content-encoding
| gzip |
| Cf-ray
| a22130c0ab3b0214-CDG |
| Alt-svc
| h3=":443"; ma=86400 |
Meta Tags
| Generator | TYPO3 CMS |
| Description | Oper und Ballett in einem der berühmtesten Opernhäuser der Welt. |
| Viewport | width=device-width, initial-scale=1.0 |
Date Tue, 28 Jul 2026 04:37:45 GMT
Content-type text/html; charset=utf-8
Content-language de-AT
Expires Tue, 28 Jul 2026 04:47:18 GMT
Cache-control max-age=860
Pragma public
Vary Accept-Encoding
X-ua-compatible IE=edge
X-content-type-options nosniff
Server cloudflare
Cf-cache-status HIT
Age 287
Last-modified Tue, 28 Jul 2026 04:32:58 GMT
Content-encoding gzip
Cf-ray a22130c0ab3b0214-CDG
Alt-svc h3=":443"; ma=86400
