HTTP Security Headers
sblo.jp
Final status: 200 · Server: nginx · X-Powered-By: PHP/8.3.31
http://sblo.jp (302)http://blog.sakura.ne.jp/ (302)http://blog.sakura.ne.jp/cms/home/ (302)https://secure.sakura.ad.jp/rscontrol/sblo-login.php (301)https://secure.sakura.ad.jp/rs/sblo/login.php (200)
Security Headers
Strict-Transport-Security (HSTS)
Forces browsers to use HTTPS, preventing protocol-downgrade attacks.
Content-Security-Policy (CSP) — missing
Limits where scripts/resources can load from — the strongest defense against XSS.
X-Frame-Options — missing
Blocks the site from being embedded in iframes (clickjacking protection).
X-Content-Type-Options — missing
Stops browsers from MIME-sniffing responses away from the declared type.
Referrer-Policy — missing
Controls how much referrer information is sent to other sites.
Permissions-Policy — missing
Restricts access to browser features like camera, microphone, geolocation.