Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 116.203.128.248 |
| Server Software | gunicorn |
| Compression | gzip |
|
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. |
HTTP Status Code 200
HTTP Version HTTP/1.1
HTTPS ✔ Available
IP Address 116.203.128.248
Server Software gunicorn
Compression gzip
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.
Redirect Chain
| # | URL | HTTP Status Code | Status |
| 1 | https://stefanie-bieber.de:443 | 302 | HTTP/2 302 |
| 2 | https://www.stefanie-bieber.de/ | 200 | HTTP/2 200 |
#1 URL https://stefanie-bieber.de:443
HTTP Status Code 302
Status HTTP/2 302
#2 URL https://www.stefanie-bieber.de/
HTTP Status Code 200
Status HTTP/2 200
Performance
| DNS Lookup | 101.4 ms |
| TCP Connect | 113.6 ms |
| TLS Handshake | 20 ms |
| Time To First Byte (TTFB) | 685.1 ms |
| Content Download | 0.1 ms |
| Total Response Time | 685.2 ms |
DNS Lookup 101.4 ms
TCP Connect 113.6 ms
TLS Handshake 20 ms
Time To First Byte (TTFB) 685.1 ms
Content Download 0.1 ms
Total Response Time 685.2 ms
Security
| HTTPS | ✔ Enabled |
| HSTS | ✘ Not configured |
| CSP | ⚠ Not configured |
| X-Frame-Options | ✔ SAMEORIGIN |
| X-Content-Type-Options | ✔ nosniff |
| Referrer Policy | same-origin |
| HTTP/2 | ⚠ HTTP/1.1 |
HTTPS ✔ Enabled
HSTS ✘ Not configured
CSP ⚠ Not configured
X-Frame-Options ✔ SAMEORIGIN
X-Content-Type-Options ✔ nosniff
Referrer Policy same-origin
HTTP/2 ⚠ HTTP/1.1
SEO Quick Check
| Title | Unterricht und Konzerte für Keltische Harfe, Irish Flute und Tin Whistle |
| Meta Description | Spielend Harfe lernen - in jedem Alter, an jedem Ort! Auch ohne Notenkenntnisse |
| Robots Meta | all |
| Open Graph Title | Unterricht und Konzerte für Keltische Harfe, Irish Flute und Tin Whistle |
| Open Graph Description | Spielend Harfe lernen - in jedem Alter, an jedem Ort! |
| Open Graph Image | https://s3.stefanie-bieber.de/media/filer_public/f2/1a/f2... |
Title Unterricht und Konzerte für Keltische Harfe, Irish Flute und Tin Whistle Meta Description Spielend Harfe lernen - in jedem Alter, an jedem Ort! Auch ohne Notenkenntnisse Robots Meta all Open Graph Title Unterricht und Konzerte für Keltische Harfe, Irish Flute und Tin Whistle Open Graph Description Spielend Harfe lernen - in jedem Alter, an jedem Ort! Open Graph Image https://s3.stefanie-bieber.de/media/filer_public/f2/1a/f2... Detected Technologies
Technology jQuery
HTTP Headers
| Alt-svc
| h3=":443"; ma=2592000 |
| Cache-control
| max-age=0, no-cache, no-store, must-revalidate, private |
| Content-encoding
| gzip |
| Content-type
| text/html; charset=utf-8 |
| Cross-origin-opener-policy
| same-origin |
| Date
| Fri, 24 Jul 2026 14:52:11 GMT |
| Expires
| Fri, 24 Jul 2026 14:52:11 GMT |
| Referrer-policy
| same-origin |
| Server
| gunicorn |
| Vary
| Accept-Encoding |
| X-content-type-options
| nosniff |
| X-frame-options
| SAMEORIGIN |
Meta Tags
| Robots | all |
| Revisit-after | 3 days |
| Author | https://terreon.de/ |
| Keywords | Harfenunterricht, Harfenkurs, Harfe lernen, |
| Viewport | width=device-width, initial-scale=1 |
| Content-Language | de |
| Description | Spielend Harfe lernen - in jedem Alter, an jedem Ort! Auch ohne Notenkenntnisse |
| Article:published_time | 2011-04-14T14:21:26 |
| Article:modified_time | 2026-03-12T17:40:07.137779 |
Alt-svc h3=":443"; ma=2592000
Cache-control max-age=0, no-cache, no-store, must-revalidate, private
Content-encoding gzip
Content-type text/html; charset=utf-8
Cross-origin-opener-policy same-origin
Date Fri, 24 Jul 2026 14:52:11 GMT
Expires Fri, 24 Jul 2026 14:52:11 GMT
Referrer-policy same-origin
Server gunicorn
Vary Accept-Encoding
X-content-type-options nosniff
X-frame-options SAMEORIGIN
