Checking results for: zlk.de
Additional info for https://zlk.de
Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 85.13.136.151 |
| Server Software | nginx |
| Compression | gzip |
|
🔒 🟡 Mixed Content (3 HTTP resources) | The page is served over HTTPS but loads 3 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 85.13.136.151
Server Software nginx
Compression gzip
🔒 🟡 Mixed Content (3 HTTP resources) The page is served over HTTPS but loads 3 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 | 53.4 ms |
| TCP Connect | 81.9 ms |
| TLS Handshake | 33.5 ms |
| Time To First Byte (TTFB) | 147.3 ms |
| Content Download | 0.1 ms |
| Total Response Time | 147.4 ms |
DNS Lookup 53.4 ms
TCP Connect 81.9 ms
TLS Handshake 33.5 ms
Time To First Byte (TTFB) 147.3 ms
Content Download 0.1 ms
Total Response Time 147.4 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 ZLK.de
Detected Technologies
Technology Nginx
HTTP Headers
| Server
| nginx |
| Date
| Thu, 23 Jul 2026 19:48:44 GMT |
| Content-type
| text/html |
| Content-length
| 614 |
| Last-modified
| Wed, 22 Jan 2025 18:17:10 GMT |
| Etag
| "459-62c4f8082c4ba-gzip" |
| Accept-ranges
| bytes |
| Vary
| Accept-Encoding,User-Agent |
| Content-encoding
| gzip |
Meta Tags
| Content-Type | text/html; charset=utf-8 |
Server nginx
Date Thu, 23 Jul 2026 19:48:44 GMT
Content-type text/html
Content-length 614
Last-modified Wed, 22 Jan 2025 18:17:10 GMT
Etag "459-62c4f8082c4ba-gzip"
Accept-ranges bytes
Vary Accept-Encoding,User-Agent
Content-encoding gzip
Content-Type text/html; charset=utf-8
´
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