DNS Gurus
Cached · just now
17 Headers

HTTP Security Headers

Status
Strict-Transport-Security
Present
max-age=2628000
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
  • • Increase HSTS max-age to at least 1 year and add includeSubDomains
  • • 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

2 headers
Connection
Performance
close
Vary
Performance
Accept-Encoding, User-Agent

Caching Headers

1 headers
Etag
Caching
"697b97f7-4542"

Content Headers

2 headers
Content-Length
Content
17730
Content-Type
Content
text/html

Server Headers

0 headers
No server headers found

CORS Headers

0 headers
No CORS headers found

Cookies Headers

1 headers
Set-Cookie
Cookies
bucket=26; expires=Tue, 29-Jan-2036 01:53:57 GMT; path=/; domain=.groupon.com

Other Headers

10 headers
Akamai-Grn
Other
0.a1ce4917.1769824437.b3dd024
Date
Other
Sat, 31 Jan 2026 01:53:57 GMT
Server-Timing
Other
ak_p; desc="1769824437046_390712993_188600356_20371_180467_16_280_-";dur=1
Www-Authenticate
Other
Basic realm="Restricted Files"
X-Bucket-Value
Other
26
X-Envoy-Upstream-Service-Time
Other
12
X-Forwarded-Proto
Other
https
X-Original-Request-Id
Other
d47cfa63-5d90-4d03-8d61-72b297035936
X-Response-Served-From
Other
routing-service--public--us-central1--default--conveyor-gcp-stable14
X-Treatment-Name
Other
OUT

Recommendations

Enable compression (gzip/brotli) to improve performance

Add Cache-Control header to optimize caching