DNS Gurus
Cached · just now
17 Headers

HTTP Security Headers

Status
Strict-Transport-Security
Missing
Not configured
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
  • • Add Strict-Transport-Security header with max-age of at least 1 year
  • • 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
61
Content-Type
Content
application/json; charset=utf-8

Server Headers

1 headers
Server
Server
Groupon

CORS Headers

0 headers
No CORS headers found

Cookies Headers

1 headers
Set-Cookie
Cookies
bm_sz=E46371A069A85FCE6991EFF19342E26A~YAAQiM5JF9kBwOmbAQAAx8D//B6U4aCeXEjWfQAmpRTjEV46nqp3oEmOMIez2hyGc7qeXP0KLJ6OIFFSxxJ45jcBv/PqHLO0cxgeJtsYj4DyuXPO3THueKdqlbsHfn3Pj2r/NFcaU1nICdSCF/q3djvMAsOnZDtfgzHVoJ+QWeAbTJ8G8m46O8zb2Ss6Uczx9z+MUJxYXipzV3RyK4vdarMDOAQdxUP5/0pv5N8kifXhUQa7IPUvVQ57ghiKJAi1Zp8LZzxS0+4yKTWD+pha3MeO8bn6/avEnOPTMdpML7haQAqc4jdEU5RaMItGLPnULHhdhWYJ4bDjM2JJ5SFGTo/rPaLFvKgfuw2nUQn8Hg==~3158849~4534322; Domain=.groupon.com; Path=/; Expires=Tue, 27 Jan 2026 05:09:38 GMT; Max-Age=14400

Other Headers

12 headers
Date
Other
Tue, 27 Jan 2026 01:09:38 GMT
X-B-Cookie
Other
2f4ad279-656e-4f76-8ad2-79656eff7607
X-Brand
Other
groupon
X-Envoy-Upstream-Service-Time
Other
1
X-External-Request-Id
Other
true
X-Forwarded-Proto
Other
https,https
X-Mtls-Upstream-Time
Other
0
X-Original-Request-Id
Other
25d8ca59-b959-4893-9915-1556a8ca78f8
X-Request-Id
Other
25d8ca59-b959-4893-9915-1556a8ca78f8
X-Request-Originated-From
Other
envoy-tls-side-car--ingress-https
X-Response-Served-From
Other
api-proxy--public--us-central1--default--conveyor-gcp-production2
X-Signifyd-Cookie
Other
f8dce190-8cbd-4ca7-9ce1-908cbd5ca7b5

Recommendations

Enable compression (gzip/brotli) to improve performance

Add Cache-Control header to optimize caching