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=E6EE1DCEB2B3F52D0FD796F52AF9879F~YAAQE2rcF5oyTAqcAQAAvJJUDB49HnvDGfE8PaJ7OI4/1wB3HRmuplG21oawwzBlCET/tXC4viGlUNVYCh7nj9aMUVxIHWa9ahGKh53yzCbx6nbB3VPziM5rZR0rng7p4mXsYWcDloVyDbeIAwarqCHdwgHEHJbj7l2FNaECmcRLIswgV/C0AJ0WSI9ncsFmjMOY0kmLfWeTItv1PMKqbEAawCywnTTw4UhxL0i5AgosxeAYpuhPMw0NsNpLdDVMnM0odaMcAud027gh6AJ3brXjRADv8/ozIwC+RL5hwyOuI4+6iTVGBaSv2Jwk+n9d7ExRaHfTRRhozLV5xEmYEyxKlH0rs2nbrbthzsSW/A==~3490883~4404024; Domain=.groupon.com; Path=/; Expires=Fri, 30 Jan 2026 04:36:35 GMT; Max-Age=14400

Other Headers

12 headers
Date
Other
Fri, 30 Jan 2026 00:36:35 GMT
X-B-Cookie
Other
25743e4e-180d-4521-b43e-4e180d5521a9
X-Brand
Other
groupon
X-Envoy-Upstream-Service-Time
Other
3
X-External-Request-Id
Other
true
X-Forwarded-Proto
Other
https,https
X-Mtls-Upstream-Time
Other
0
X-Original-Request-Id
Other
3b93dbea-b92d-41c6-ad34-4e9c56f4e0cc
X-Request-Id
Other
3b93dbea-b92d-41c6-ad34-4e9c56f4e0cc
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
04f2bb64-4981-4e36-b2bb-644981de36fc

Recommendations

Enable compression (gzip/brotli) to improve performance

Add Cache-Control header to optimize caching