HTTP Headers: poczta.onet.pl

Content-Type
Content-Length
Connection
Server
Date
link
Vary
x-xss-protection
x-nextjs-cache
cache-control
etag
content-encoding
x-frame-options
strict-transport-security
content-security-policy
referrer-policy
access-control-allow-origin
access-control-allow-credentials
X-Cache
Via
X-Amz-Cf-Pop
Alt-Svc
X-Amz-Cf-Id

Strict-Transport-Security (HSTS) forces browsers to use HTTPS. Content-Security-Policy (CSP) prevents XSS attacks by controlling which resources can load. X-Content-Type-Options stops MIME-type sniffing. X-Frame-Options blocks clickjacking by preventing iframe embedding.

poczta.onet.pl's security score of 60/100 reflects how many of these protective headers are configured. Higher scores indicate better defense against common web attacks.