Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 199.36.158.100 |
| CDN | CDN (HIT) |
| Compression | gzip |
|
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 199.36.158.100
CDN CDN (HIT)
Compression gzip
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://sekond.de:443 | 301 | HTTP/2 301 |
| 2 | https://www.sekond.de/ | 200 | HTTP/2 200 |
#1 URL https://sekond.de:443
HTTP Status Code 301
Status HTTP/2 301
#2 URL https://www.sekond.de/
HTTP Status Code 200
Status HTTP/2 200
Performance
| DNS Lookup | 17.7 ms |
| TCP Connect | 18.5 ms |
| TLS Handshake | 6.8 ms |
| Time To First Byte (TTFB) | 27.3 ms |
| Content Download | 0.2 ms |
| Total Response Time | 27.4 ms |
DNS Lookup 17.7 ms
TCP Connect 18.5 ms
TLS Handshake 6.8 ms
Time To First Byte (TTFB) 27.3 ms
Content Download 0.2 ms
Total Response Time 27.4 ms
Security
| HTTPS | ✔ Enabled |
| HSTS | ✔ max-age=31556926 |
| CSP | ⚠ Not configured |
| X-Frame-Options | ⚠ Not configured |
| X-Content-Type-Options | ⚠ Not configured |
| HTTP/2 | ⚠ HTTP/1.1 |
HTTPS ✔ Enabled
HSTS ✔ max-age=31556926
CSP ⚠ Not configured
X-Frame-Options ⚠ Not configured
X-Content-Type-Options ⚠ Not configured
HTTP/2 ⚠ HTTP/1.1
SEO Quick Check
| Title | Selected Work — Sekond |
| Meta Description | Software products, shipped end to end. A stock-scoring engine and an atlas of European electricity — both live, both built with Claude and gated by humans. |
| Canonical | https://www.sekond.de/ |
| Open Graph Title | Selected Work — Sekond |
| Open Graph Description | Software products, shipped end to end. A stock-scoring engine and an atlas of European electricity — both live, both built with Claude and gated by humans. |
| Open Graph Image | https://www.sekond.de/og-image.png |
| Twitter Card | summary_large_image |
| Twitter Title | Selected Work — Sekond |
| Twitter Description | Software products, shipped end to end. A stock-scoring engine and an atlas of European electricity — both live, both built with Claude and gated by humans. |
| Twitter Image | https://www.sekond.de/og-image.png |
Title Selected Work — Sekond Meta Description Software products, shipped end to end. A stock-scoring engine and an atlas of European electricity — both live, both built with Claude and gated by humans. Canonical https://www.sekond.de/ Open Graph Title Selected Work — Sekond Open Graph Description Software products, shipped end to end. A stock-scoring engine and an atlas of European electricity — both live, both built with Claude and gated by humans. Open Graph Image https://www.sekond.de/og-image.png Twitter Card summary_large_image Twitter Title Selected Work — Sekond Twitter Description Software products, shipped end to end. A stock-scoring engine and an atlas of European electricity — both live, both built with Claude and gated by humans. Twitter Image https://www.sekond.de/og-image.png Detected Technologies
| Technology | Google Analytics |
Technology Google Analytics
HTTP Headers
| Cache-control
| max-age=3600 |
| Content-encoding
| gzip |
| Content-type
| text/html; charset=utf-8 |
| Etag
| "fe95db4ddd22c31b19a24490bf1bf93dc59b1d846894d21e18f278f4863a9e5e" |
| Last-modified
| Fri, 03 Jul 2026 09:24:02 GMT |
| Strict-transport-security
| max-age=31556926 |
| Accept-ranges
| bytes |
| Date
| Thu, 23 Jul 2026 01:09:41 GMT |
| X-served-by
| cache-par-lfpg1960037-PAR |
| X-cache
| HIT |
| X-cache-hits
| 0 |
| X-timer
| S1784768981.425513,VS0,VE1 |
| Vary
| x-fh-requested-host, accept-encoding |
| Alt-svc
| h3=":443";ma=86400,h3-29=":443";ma=86400,h3-27=":443";ma=86400 |
| Content-length
| 4934 |
Meta Tags
| Viewport | width=device-width, initial-scale=1 |
| Description | Software products, shipped end to end. A stock-scoring engine and an atlas of European electricity — both live, both built with Claude and gated by humans. |
Cache-control max-age=3600
Content-encoding gzip
Content-type text/html; charset=utf-8
Etag "fe95db4ddd22c31b19a24490bf1bf93dc59b1d846894d21e18f278f4863a9e5e"
Last-modified Fri, 03 Jul 2026 09:24:02 GMT
Strict-transport-security max-age=31556926
Accept-ranges bytes
Date Thu, 23 Jul 2026 01:09:41 GMT
X-served-by cache-par-lfpg1960037-PAR
X-cache HIT
X-cache-hits 0
X-timer S1784768981.425513,VS0,VE1
Vary x-fh-requested-host, accept-encoding
Alt-svc h3=":443";ma=86400,h3-29=":443";ma=86400,h3-27=":443";ma=86400
Content-length 4934
