DNS Gurus
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29 Headers

HTTP Security Headers

Status
Strict-Transport-Security
Present
max-age=2628000
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
X-Powered-By
Server
Express

CORS Headers

0 headers
No CORS headers found

Cookies Headers

1 headers
Set-Cookie
Cookies
bm_sz=57BFC299C40B6F92FD0C89F24EC31743~YAAQhcgwF+ASUgScAQAA9X4PGh6mHugPs4whPKsSoiKKl78SlDpr6N4UI9X1Rf8igeWlG9+1awO0Pj2nhUR6CMAsG8hEHXZIVCKrUvmxpQtDuScnKno2WFsDMNinz8Q4UTDdAVj95BPoPPN0Zfow7/CdvbwWNQhx/4nKlJRwZ0GPvyD0j950tnVfsQZBln6Cz82UzbOhg2gGLfYYxy4GUCk2vXLqVGr2u8qaWwlgToY76SiyDPUl/awf1WsckqG2+5l0Wz1Mh8TCM04ju4Y8Jx5B3PGeWUOQa66XjLw7iVDszQ68EHvlFWGLqKlWzQUrQzvokk+RWLhLKewwMLAd7th+7E8zvSvZ2TUDT/Ak~3359554~4534326; Domain=.groupon.it; Path=/; Expires=Sun, 01 Feb 2026 20:35:44 GMT; Max-Age=14395

Other Headers

20 headers
Date
Other
Sun, 01 Feb 2026 16:35:49 GMT
Link
Other
<https://www2.grouponcdn.com/browse/assets/home_desktop-f7805b283e.css>; rel=preload; as=style, <https://www2.grouponcdn.com/browse/assets/home_desktop-7509b6ffb1.js>; rel=preload; as=script
Server-Timing
Other
rReq;dur=4416, rCon;dur=0, rHdr;dur=4416, hbi;dur=4386
X-Akamai-Transformed
Other
0 - 0 -
X-Application
Other
Pull-Itier
X-B-Cookie
Other
e7d1b9c7-4125-4604-91b9-c74125d60459
X-B3-Traceid
Other
d6bafb86367641e7b5b374c86e5184c8
X-Destination
Other
tls_conveyor_pull_itier
X-Envoy-Upstream-Service-Time
Other
4417
X-External-Request-Id
Other
true
X-Forwarded-Proto
Other
https
X-Mtls-Upstream-Time
Other
4386
X-Original-Request-Id
Other
d6bafb86-3676-41e7-b5b3-74c86e5184c8
X-Page-Id
Other
bb688baa-1516-4047-a88b-aa1516d047b5-1769963744954-TH0
X-Request-Id
Other
d6bafb86-3676-41e7-b5b3-74c86e5184c8,d6bafb86-3676-41e7-b5b3-74c86e5184c8
X-Request-Originated-From
Other
envoy-tls-side-car--ingress-https
X-Response-Served-From
Other
routing-service--public--eu-west-1--conveyor-production49
X-S-Cookie
Other
bb688baa-1516-4047-a88b-aa1516d047b5
X-Signifyd-Cookie
Other
5a2288f9-3023-4bf7-a288-f930234bf70e
X-Ua-Compatible
Other
IE=edge,chrome=1

Recommendations

Enable compression (gzip/brotli) to improve performance

Consider removing X-Powered-By header to hide server technology