Technical Information
| HTTP Status Code | 412 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 3.71.139.153 |
|
🚫 🟡 HTTP 412 Error | The server returned a 412 error. Check the access configuration. |
|
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 412
HTTP Version HTTP/1.1
HTTPS ✔ Available
IP Address 3.71.139.153
🚫 🟡 HTTP 412 Error The server returned a 412 error. Check the access configuration.
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://upload.com:443 | 301 | HTTP/2 301 |
| 2 | https://download.cnet.com/add-your-software/ | 412 | HTTP/2 412 |
#1 URL https://upload.com:443
HTTP Status Code 301
Status HTTP/2 301
#2 URL https://download.cnet.com/add-your-software/
HTTP Status Code 412
Status HTTP/2 412
Performance
| DNS Lookup | 45.2 ms |
| TCP Connect | 46.5 ms |
| TLS Handshake | 4.5 ms |
| Time To First Byte (TTFB) | 53 ms |
| Content Download | 0 ms |
| Total Response Time | 53.1 ms |
DNS Lookup 45.2 ms
TCP Connect 46.5 ms
TLS Handshake 4.5 ms
Time To First Byte (TTFB) 53 ms
Content Download 0 ms
Total Response Time 53.1 ms
Security
| HTTPS | ✔ Enabled |
| HSTS | ✔ max-age=63072000; includeSubDomains; preload |
| CSP | ⚠ Not configured |
| X-Frame-Options | ⚠ Not configured |
| X-Content-Type-Options | ⚠ Not configured |
| HTTP/2 | ⚠ HTTP/1.1 |
HTTPS ✔ Enabled
HSTS ✔ max-age=63072000; includeSubDomains; preload
CSP ⚠ Not configured
X-Frame-Options ⚠ Not configured
X-Content-Type-Options ⚠ Not configured
HTTP/2 ⚠ HTTP/1.1
HTTP Headers
| Retry-after | 0 |
| Accept-ranges | bytes |
| Date | Thu, 20 Aug 2026 10:05:38 GMT |
| Access-control-expose-headers | x-country-code,x-region |
| Strict-transport-security | max-age=63072000; includeSubDomains; preload |
| X-fastly-version | 400 |
| Content-length | 0 |
Retry-after 0
Accept-ranges bytes
Date Thu, 20 Aug 2026 10:05:38 GMT
Access-control-expose-headers x-country-code,x-region
Strict-transport-security max-age=63072000; includeSubDomains; preload
X-fastly-version 400
Content-length 0
