DNS Gurus
Cached · just now
14 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

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

Caching Headers

2 headers
Cache-Control
Caching
private, max-age=30, no-store
Last-Modified
Caching
Wed, 21 Jan 2026 10:45:24 GMT

Content Headers

1 headers
Content-Type
Content
text/html; charset=UTF-8

Server Headers

1 headers
Server
Server
cloudflare

CORS Headers

0 headers
No CORS headers found

Cookies Headers

1 headers
Set-Cookie
Cookies
__cf_bm=wyS7X_9AcschZtWs6pKWBTyF6QAyX07APTa4.ugmdUM-1768992324-1.0.1.1-DDfmL25oJ6TpLypDBDzBPke5ABRTPBZGYRoqI7ePtfDFv4dqJzR2.Qe7gd5g3ukluidAZWN1DnOmqwfmrxU2WhzBRM97qCqHkpbNj0Y7w8Q; path=/; expires=Wed, 21-Jan-26 11:15:24 GMT; domain=.www.zschool.com; HttpOnly; Secure; SameSite=None

Other Headers

6 headers
Cdn-Cache-Control
Other
max-age=30, public
Cf-Cache-Status
Other
EXPIRED
Cf-Ray
Other
9c1638c86dc75986-IAD
Date
Other
Wed, 21 Jan 2026 10:45:24 GMT
X-Host
Other
grn72.sf2p.intern.weebly.net
X-Ua-Compatible
Other
IE=edge,chrome=1

Recommendations

Enable compression (gzip/brotli) to improve performance