DNS Gurus
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14 Headers

HTTP Security Headers

Status
Strict-Transport-Security
Present
max-age=86400
Content-Security-Policy
Missing
Not configured
X-Frame-Options
Missing
Not configured
X-Content-Type-Options
Missing
Not configured
Referrer-Policy
Missing
Not configured
Permissions-Policy
Missing
Not configured
Recommendations
  • • Increase HSTS max-age to at least 1 year and add includeSubDomains
  • • Add Content-Security-Policy header to prevent XSS attacks
  • • Add X-Frame-Options: DENY or SAMEORIGIN to prevent clickjacking
  • • Add X-Content-Type-Options: nosniff
  • • Add Referrer-Policy header (recommended: strict-origin-when-cross-origin)
  • • Consider adding Permissions-Policy to control browser features

Performance Headers

1 headers
Connection
Performance
close

Caching Headers

0 headers
No caching headers found

Content Headers

2 headers
Content-Length
Content
23689
Content-Type
Content
text/html

Server Headers

1 headers
Server
Server
envoy

CORS Headers

0 headers
No CORS headers found

Cookies Headers

1 headers
Set-Cookie
Cookies
bm_sz=A33BC172441139AE808741478ED09062~YAAQRmrcFy2HYuebAQAAh8gE/h62VK7UrjLNhCcQf5lmI/M95ApBspHUtYzgwmO6a4Q1SQdh6oGaoeJTiRNmnGcaIjvn465Os1v5pvRs8INdmrx72IjG1yjUnRSWs0CubOGwCGDAGcRyg6NslX6QW1toC+4mDVUtsv7vtqmEegCy6YAtiMJJIldzHgVZO+UCWPR1ZlKt4gauDIYvdcTASevB9USblWhDUzMaOWICu46ChYu+g8QcBlXLdQCkXk/Vh2lc53OOG34MXXYYDWTnxsKFvOWllnWk0X+l9nzQzGqBO74+PaJJZTQN4McEPLiXZYloqKz6plXzpzXzfPyL9UXWhYyuwaa9tjkB9dmFzw==~3420209~4600884; Domain=.groupon.com; Path=/; Expires=Tue, 27 Jan 2026 09:54:44 GMT; Max-Age=14400

Other Headers

8 headers
Date
Other
Tue, 27 Jan 2026 05:54:44 GMT
Server-Timing
Other
rReq;dur=1, rCon;dur=0, rHdr;dur=1
X-Akamai-Transformed
Other
0 - 0 -
X-Envoy-Upstream-Service-Time
Other
2
X-Forwarded-Proto
Other
https
X-Original-Request-Id
Other
0cff9cbc-539f-4450-a06e-3a9b20fc9b49
X-Request-Id
Other
0cff9cbc-539f-4450-a06e-3a9b20fc9b49
X-Response-Served-From
Other
routing-service--public--us-central1--default--conveyor-gcp-production2

Recommendations

Enable compression (gzip/brotli) to improve performance

Add Cache-Control header to optimize caching