DNS Gurus
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10 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
43
Content-Type
Content
application/json

Server Headers

1 headers
Server
Server
Groupon

CORS Headers

0 headers
No CORS headers found

Cookies Headers

1 headers
Set-Cookie
Cookies
bm_sz=36068307FE71D5D5745FA0E67A6C4235~YAAQHx/XFwV4nB6cAQAASpdISh5pw43bAlJ3KcJoiVV+2nQtZC8AY0ndj7Ps4Y24sKquN2YDbcuGCyy2u0f9UWeYZ2J1PmifKTwv1r+r257qt2T6VDHguASSaRlRFIjuf2uzkNtfm+AirCoxV1x/clYgZPDZ8CMtI2/c0Z2dMOzXzXBT/NzbrWJhp60Ep42KFDzHz+Gf7T2ZhCMh4h//7HBVLTN6M9I80UehuTqUf50LejNegtoPCBsR6FsIByYBYnJlOkNlyVZ6nXDxFzBgC++7nDArpt8ogBjZTW5Qe+sPYJMq7CRkFuBzHsDs58zVdindrdCYqKmIIOhCBv68YvYUkGl7bAVneYAcZn+N4A==~3552825~4408387; Domain=.groupon.com; Path=/; Expires=Wed, 11 Feb 2026 05:19:57 GMT; Max-Age=14400

Other Headers

5 headers
Date
Other
Wed, 11 Feb 2026 01:19:57 GMT
X-Envoy-Upstream-Service-Time
Other
1
X-Forwarded-Proto
Other
https
X-Original-Request-Id
Other
8e3a9a53-4001-48c2-9ca4-f9540adff2b9
X-Response-Served-From
Other
mobile-logging--public--us-central1--default--conveyor-gcp-production2

Recommendations

Enable compression (gzip/brotli) to improve performance

Add Cache-Control header to optimize caching