Technical Information
| HTTP Status Code | 301 (Redirect) |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 104.21.13.172 |
| Server Software | cloudflare |
| CDN | Cloudflare |
|
⚠ 🔴 Connection Timeout | The server did not respond in time. It may be down or have a restrictive firewall. |
|
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 301 (Redirect)
HTTP Version HTTP/1.1
HTTPS ✔ Available
IP Address 104.21.13.172
Server Software cloudflare
CDN Cloudflare
⚠ 🔴 Connection Timeout The server did not respond in time. It may be down or have a restrictive firewall.
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 | 37.9 ms |
| TCP Connect | 39.2 ms |
| TLS Handshake | 7.6 ms |
| Time To First Byte (TTFB) | 53.8 ms |
| Content Download | 0.1 ms |
| Total Response Time | 53.8 ms |
DNS Lookup 37.9 ms
TCP Connect 39.2 ms
TLS Handshake 7.6 ms
Time To First Byte (TTFB) 53.8 ms
Content Download 0.1 ms
Total Response Time 53.8 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 | 301 Moved Permanently |
Title 301 Moved Permanently
Detected Technologies
Technology Cloudflare
HTTP Headers
| Date | Wed, 19 Aug 2026 22:07:59 GMT |
| Content-type | text/html; charset=UTF-8 |
| Location | https://gnulaseries.nu/ |
| Report-to | {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=iFZNIapWMNWCcuNvqyE0%2BGtNReaFg60DyZZqc%2F3tjvWtChkA2s%2FauILc6epmtIlNH15vhGU8cdwejm0tOqWuReU3rhN8Dtzh1esfDjhjvqjC4rUwvyCW9ssZiHPix4JqQcwf7dowpg%3D%3D"}]} |
| Nel | {"report_to":"cf-nel","success_fraction":0.0,"max_age":604800} |
| Server | cloudflare |
| Cf-ray | a2dc796dbff8999f-CDG |
| Alt-svc | h3=":443"; ma=86400 |
Date Wed, 19 Aug 2026 22:07:59 GMT
Content-type text/html; charset=UTF-8
Location https://gnulaseries.nu/
Report-to {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=iFZNIapWMNWCcuNvqyE0%2BGtNReaFg60DyZZqc%2F3tjvWtChkA2s%2FauILc6epmtIlNH15vhGU8cdwejm0tOqWuReU3rhN8Dtzh1esfDjhjvqjC4rUwvyCW9ssZiHPix4JqQcwf7dowpg%3D%3D"}]}
Nel {"report_to":"cf-nel","success_fraction":0.0,"max_age":604800}
Server cloudflare
Cf-ray a2dc796dbff8999f-CDG
Alt-svc h3=":443"; ma=86400
