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=0E64250ED98BFB3DB765BF071641CAC5~YAAQips+F53mXdWbAQAAGulB+R7M88fJvqci7jkkyKZ0g5fhDUgxtpMo1BroHlkenA11OLooQ/54mQHLkHbEvUJGBGtRHL7YaMtiDHcNSEluFAj3gy64t5tsmI8JAwObpx//M1TPVwOFVzWGiJgM1Vsya/wUQn9K4QsfM3X6PZ9D0yA4TcPr9SsT6dLTW6LCMdulmHYYcyzm2vzJmy1xr9YUGRCBSRJd2utLXUnHCO1D/gne6Na4hBGo/+EnG6DVwd6sB5pa+DIcYAxlhNrj8PxKZkbt0kI7vhr1o9KzwBZgtvL/Zgn/janAvTG7/TIQtFQHRvcvpwtLMtR1OieTrBcPwwfc7HXWU92Z+UGqkw==~3684147~4338737; Domain=.groupon.com; Path=/; Expires=Mon, 26 Jan 2026 11:43:24 GMT; Max-Age=14400

Other Headers

12 headers
Date
Other
Mon, 26 Jan 2026 07:43:24 GMT
X-B-Cookie
Other
60018e4e-d5da-4df4-818e-4ed5dacdf41d
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
3db3ebd0-dd90-4fdd-a3ab-66c31c87ef98
X-Request-Id
Other
3db3ebd0-dd90-4fdd-a3ab-66c31c87ef98
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
f52921bd-c0e6-4f18-a921-bdc0e65f188a

Recommendations

Enable compression (gzip/brotli) to improve performance

Add Cache-Control header to optimize caching