Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 81.88.34.41 |
| Server Software | nginx |
| Compression | gzip |
|
🔒 🟡 Mixed Content (13 HTTP resources) | The page is served over HTTPS but loads 13 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 81.88.34.41
Server Software nginx
Compression gzip
🔒 🟡 Mixed Content (13 HTTP resources) The page is served over HTTPS but loads 13 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).
Performance
| DNS Lookup | 51.4 ms |
| TCP Connect | 71.3 ms |
| TLS Handshake | 27.9 ms |
| Time To First Byte (TTFB) | 617.5 ms |
| Content Download | 9.7 ms |
| Total Response Time | 627.2 ms |
DNS Lookup 51.4 ms
TCP Connect 71.3 ms
TLS Handshake 27.9 ms
Time To First Byte (TTFB) 617.5 ms
Content Download 9.7 ms
Total Response Time 627.2 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
Title Durblo
Detected Technologies
| Technology | Google Analytics Nginx PHP |
Technology Google Analytics Nginx PHP
HTTP Headers
| Server
| nginx |
| Date
| Sun, 23 Aug 2026 01:33:47 GMT |
| Content-type
| text/html; charset=UTF-8 |
| X-session-reinit
| true |
| X-serendipity-ml-sl-5
| |
| X-serendipity-contentlang
| |
| X-blog
| Serendipity |
| Cache-control
| private, pre-check=0, post-check=0, max-age=0 |
| Expires
| 0 |
| Pragma
| no-cache |
| X-freetag-count
| Array |
| Set-cookie
| serendipity[check]=1; expires=Tue, 22-Sep-2026 01:33:47 GMT; path=/; domain=durblo.de; secure |
| Vary
| Accept-Encoding |
| Content-encoding
| gzip |
Meta Tags
| Content-Type | text/html; charset=UTF-8 |
| Powered-By | Serendipity v.1.5.5 |
Server nginx
Date Sun, 23 Aug 2026 01:33:47 GMT
Content-type text/html; charset=UTF-8
X-session-reinit true
X-serendipity-ml-sl-5
X-serendipity-contentlang
X-blog Serendipity
Cache-control private, pre-check=0, post-check=0, max-age=0
Expires 0
Pragma no-cache
X-freetag-count Array
Set-cookie serendipity[check]=1; expires=Tue, 22-Sep-2026 01:33:47 GMT; path=/; domain=durblo.de; secure
Vary Accept-Encoding
Content-encoding gzip