Protect your WordPress site from clickjacking with X-Frame-Options and CSP frame-ancestors headers plus a frame breaking script.
Alternatives to Simons FrameKiller
Plugins below are selected for functional relevance and current directory signals. Active-install counts do not affect this ranking.
WordPress plugins with similar use cases
Compatibility and update metadata provide context, not a quality guarantee. Review each plugin’s details for your site.
Adds the essential HTTP security headers WordPress leaves out—on every public site response.
HTTP Headers adds CORS & security HTTP headers to your website.
Stop bots, pingbacks, protection againts brute force hacking, script jacking, Iframe XSS attacks, CSRF Proctection, Insecure requests,
Adds security headers, CSP, login protection, SMTP configuration and spam protection to harden your WordPress site.
Highly secure SVG upload support for WordPress. Validates, sanitizes, and protects SVG files through a multi-layer security pipeline.
Recommended security headers with safe presets, never sent twice, plus a read-only self-check that explains what your site really sends.
Add HTTP security headers from WordPress. Scan what your site sends and enable safe defaults.
Manage HTTP security headers, monitor Content Security Policy (CSP) violations, capture browser console errors, and maintain a complete audit trail of …
Sets modern HTTP security headers (HSTS, X-Frame-Options, Referrer-Policy, Permissions-Policy and more) with a one-click quickstart and clear options.