Checking results for: stackoom.com
Additional info for https://stackoom.com
Technical Information
| HTTP Status Code | 502 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 118.31.174.222 |
| Server Software | nginx |
|
💥 🔴 502 Bad Gateway | The proxy server did not receive a valid response from the upstream server. |
|
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 502
HTTP Version HTTP/1.1
HTTPS ✔ Available
IP Address 118.31.174.222
Server Software nginx
💥 🔴 502 Bad Gateway The proxy server did not receive a valid response from the upstream server.
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 | 253.3 ms |
| TCP Connect | 422.3 ms |
| TLS Handshake | 173.1 ms |
| Time To First Byte (TTFB) | 767.1 ms |
| Content Download | 0 ms |
| Total Response Time | 767.1 ms |
DNS Lookup 253.3 ms
TCP Connect 422.3 ms
TLS Handshake 173.1 ms
Time To First Byte (TTFB) 767.1 ms
Content Download 0 ms
Total Response Time 767.1 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 502 Bad Gateway
Detected Technologies
Technology Nginx
HTTP Headers
| Server | nginx |
| Date | Tue, 21 Jul 2026 08:04:01 GMT |
| Content-Type | text/html; charset=utf-8 |
| Content-Length | 568 |
| Connection | keep-alive |
Server nginx
Date Tue, 21 Jul 2026 08:04:01 GMT
Content-Type text/html; charset=utf-8
Content-Length 568
Connection keep-alive
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