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=0FF3735FA7D723A3FC92293170CB47A6~YAAQUmrcF4dbsQycAQAAAS2IEh4MRU/AfoC4EzmwDdKCxpyyFqKJiUKibvm9yThYswmvT7p3TNJhCp99qkwsA+Caz7g0/bG3B3u3LXwj3PH7/zeEV69C4cYI7x4l9gMMnFFCmixmDlpHjeJzXttSUywp5tIUfP61L1KK5L7Z4tEGicAsw/37GCi5i2T1ZzA8CePrwAIBVvfGLqHC0RPfGUy+EwcoWhXgFxCFudaEJtP1mREx0BXlMAIoCu8aoatKtvCrWPWdyJRwQyoEoiwrMDYA460UB5M69CRACnpLjaUBbjZCMwHVmBIg1bIQhQ6voJTTJlIL/MHMHswoJOwCaAlaFaTuPgIBMtGL2Bk0JA==~3359798~4343348; Domain=.groupon.com; Path=/; Expires=Sat, 31 Jan 2026 09:30:40 GMT; Max-Age=14400

Other Headers

12 headers
Date
Other
Sat, 31 Jan 2026 05:30:40 GMT
X-B-Cookie
Other
904568a0-66cc-41cc-8568-a066ccd1ccf0
X-Brand
Other
groupon
X-Envoy-Upstream-Service-Time
Other
4
X-External-Request-Id
Other
true
X-Forwarded-Proto
Other
https,https
X-Mtls-Upstream-Time
Other
2
X-Original-Request-Id
Other
be4f043f-e91d-4d4c-a20f-9eec4e518fea
X-Request-Id
Other
be4f043f-e91d-4d4c-a20f-9eec4e518fea
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
cde82593-f8f3-4451-a825-93f8f3045138

Recommendations

Enable compression (gzip/brotli) to improve performance

Add Cache-Control header to optimize caching