DNS Gurus
Cached · just now
28 Headers

HTTP Security Headers

Status
Strict-Transport-Security
Present
max-age=15768000
Content-Security-Policy
Missing
Not configured
X-Frame-Options
Excellent
DENY
X-Content-Type-Options
Missing
Not configured
Referrer-Policy
Missing
Not configured
Permissions-Policy
Missing
Not configured
Recommendations
  • • Increase HSTS max-age to at least 1 year and add includeSubDomains
  • • Add Content-Security-Policy header to prevent XSS attacks
  • • 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

3 headers
Connection
Performance
Transfer-Encoding
Transfer-Encoding
Performance
chunked
Vary
Performance
Accept-Encoding, User-Agent

Caching Headers

1 headers
Cache-Control
Caching
private, max-age=0, no-cache, no-store, must-revalidate

Content Headers

1 headers
Content-Type
Content
text/html; 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=4D6EBDF748318C18924ED823AAF37F90~YAAQFmrcF4WfHt2bAQAAT7mQDR4SXOd6yO+w363Qehnyt5wZK7zk+gfj2+Ug7rfZit1zYoQPm+5Xe4QFxAnE57+oVLq8ywwKTNglBbkXIykZTqjwPkz64pvV40pHWae8itgXh45SU+UeRg53IIJ1Z/MktBpH9NNWxKAjSlPeiYPNw4G3SYk7C+R4ve8LVw06XiXYY87L/88R0w+dw4QvkBg+o0HpEe15iSZ/y7SBx5C5OxiZRcw5RpyxmZJNI26rV9HH6eRuu6stE3bTjswaJHBM6O8NC3ab/qW1XrGAiY6f6Nm7Zgx4p4y2KNbznOnokev/xdqyEz+b0kNFpyCT6u3bTZELhkHq1O2khoDmSA==~4277808~3556920; Domain=.groupon.com; Path=/; Expires=Fri, 30 Jan 2026 10:21:53 GMT; Max-Age=14399

Other Headers

19 headers
Date
Other
Fri, 30 Jan 2026 06:21:54 GMT
Server-Timing
Other
rReq;dur=398, rCon;dur=0, rHdr;dur=398, hbi;dur=383
X-Akamai-Transformed
Other
0 - 0 -
X-Application
Other
Pull-Itier
X-B-Cookie
Other
dfc98f12-241a-4458-898f-12241a945866
X-B3-Traceid
Other
0fc54566c5bd4f23b0b2f2cbe4791591
X-Destination
Other
tls_conveyor_pull_itier
X-Envoy-Upstream-Service-Time
Other
399
X-External-Request-Id
Other
true
X-Forwarded-Proto
Other
https
X-Mtls-Upstream-Time
Other
383
X-Original-Request-Id
Other
0fc54566-c5bd-4f23-b0b2-f2cbe4791591
X-Page-Id
Other
c8f7137a-034d-427f-b713-7a034db27f82-1769754113943-TH0
X-Request-Id
Other
0fc54566-c5bd-4f23-b0b2-f2cbe4791591,0fc54566-c5bd-4f23-b0b2-f2cbe4791591
X-Request-Originated-From
Other
envoy-tls-side-car--ingress-https
X-Response-Served-From
Other
routing-service--public--us-central1--default--conveyor-gcp-production2
X-S-Cookie
Other
c8f7137a-034d-427f-b713-7a034db27f82
X-Signifyd-Cookie
Other
1b18e64d-3b84-4fe7-98e6-4d3b84ffe7e8
X-Ua-Compatible
Other
IE=edge,chrome=1

Recommendations

Enable compression (gzip/brotli) to improve performance