DNS Gurus
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11 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

2 headers
Cache-Control
Caching
no-cache, no-store, must-revalidate
Expires
Caching
0

Content Headers

2 headers
Content-Length
Content
2144
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
ak_bmsc=05454847FB90D11808E1F9A391212A76~000000000000000000000000000000~YAAQiM5JF4XAm+mbAQAAcmpq+B5uvXj0UUAwc2WrUWGWDhNezOxEV49Xa1LZVubFKAoj/E7nTSrIvTD9RfyhWP2bKj18Av+Z+A7Ls1SRynYDs8SMnuMEBS7xMqKGloN6+h8F12aEkKk4Wsdg6i7EeWPmRGVStRnT2zuJqzS6dP7Rf4Mok2eedOeWi6OGp7veUQv9cdSDy1LpGfTbUuuZh4goEb/KhxwFczpnkn8RGRr+l9ZaU5yzWSGoqpu9xzI8adNZMnaqTnHSVQcwmi68rIx3xzZ6KYTlOPmdHmGRH9pWWm7Ke8ZlqX0d62mMkJ0MKGNInG1EGo5B38mJBB3p9Vg4MDk2kiLYFMsig11EDJSMjscTIbmXB/K8PODoS4HOwLsxJmAlNj5cBzsTyzzrU/K1r1DKTPU=; Domain=.groupon.co.uk; Path=/; Expires=Mon, 26 Jan 2026 05:48:02 GMT; Max-Age=7200; HttpOnly

Other Headers

3 headers
Date
Other
Mon, 26 Jan 2026 03:48:02 GMT
Mime-Version
Other
1.0
X-Reference-Error
Other
18.88ce4917.1769399282.691d244

Recommendations

Enable compression (gzip/brotli) to improve performance