Zen Site Securityv1.15.2
SSL in one click plus security hardening: 301 HTTPS redirect, mixed content fixer, HSTS, security headers, SameSite cookies, attack-surface hardening.
Alternatives to Security Headers
Plugins below are selected for functional relevance and current directory signals. Active-install counts do not affect this ranking.
Relevant replacements
WordPress plugins with similar use cases
Compatibility and update metadata provide context, not a quality guarantee. Review each plugin’s details for your site.
HeaderGenie Security Headersv1.2.64
Add HTTP security headers from WordPress. Scan what your site sends and enable safe defaults.
HSTS Readyv1.06
Enable easily HSTS on your website.
Best all-in-one WordPress security plugin, uses HTTP & HSTS response headers to avoid vulnerabilities: XSS, injection, clickjacking. Force HTTP/HTTPS.
Read-only audit of HTTP security headers and related same-site HTTPS behavior returned by your WordPress site.
Harden your WordPress site: HTTPS and HSTS, security headers, a full Content Security Policy builder, security.txt, and a readiness scanner.
Jeelsh HTTP Headersv1.0.2
Configure advanced HTTP security headers for your WordPress site.
360 Orbit Header Securityv1.0.30
Sets modern HTTP security headers (HSTS, X-Frame-Options, Referrer-Policy, Permissions-Policy and more) with a one-click quickstart and clear options.
Security headers, a self-renewing security.txt (RFC 9116) and an optional CRA, GDPR and NIS2 compliance scanner for healthcare WordPress sites.
EssentialHeadersv1.0.2
Adds the essential HTTP security headers WordPress leaves out—on every public site response.