Open
Cached
·
just now
18
Headers
Detected Technologies from Headers
HTTP Security Headers
Status
Strict-Transport-Security
Excellent
max-age=63072000; includeSubDomains; preload
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 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
Accept-Ranges
bytes
Connection
close
Vary
Accept-Encoding
accept-ranges: bytes connection: close vary: Accept-Encoding
Caching Headers
Age
200
Cache-Control
public, max-age=180, stale-while-revalidate=360, stale-if-error=43200
Last-Modified
Wed, 21 Oct 2026 13:44:26 GMT
age: 200 cache-control: public, max-age=180, stale-while-revalidate=360, stale-if-error=43200 last-modified: Wed, 21 Oct 2026 13:44:26 GMT
Content Headers
Content-Length
307539
Content-Type
text/html; charset=UTF-8
content-length: 307539 content-type: text/html; charset=UTF-8
Server Headers
No server headers found
CORS Headers
Access-Control-Allow-Headers
x-requested-with, Content-Type, origin, authorization, accept, client-security-token
Access-Control-Allow-Origin
*
Access-Control-Max-Age
1000
access-control-allow-headers: x-requested-with, Content-Type, origin, authorization, accept, client-security-token access-control-allow-origin: * access-control-max-age: 1000
Cookies Headers
Other Headers
Date
Wed, 21 Oct 2026 13:47:48 GMT
Via
Varnish
X-Cache
HIT
X-Cache-Hits
11
X-Pingback
https://www.certeurope.fr/xmlrpc.php
date: Wed, 21 Oct 2026 13:47:48 GMT link: <https://www.certeurope.fr/>; rel=shortlink via: Varnish x-cache: HIT x-cache-hits: 11 x-pingback: https://www.certeurope.fr/xmlrpc.php
Recommendations
Enable compression (gzip/brotli) to improve performance