EssentialHeadersv1.0.2
Adds the essential HTTP security headers WordPress leaves out—on every public site response.
Alternatives to HSTS strict-preload
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.
Self-learning security headers, built-in attack detection and rate limiting, file-integrity monitoring, and free TLS certificates. No paywall.
Jeelsh HTTP Headersv1.0.2
Configure advanced HTTP security headers for your WordPress site.
Security headers, a self-renewing security.txt (RFC 9116) and an optional CRA, GDPR and NIS2 compliance scanner for healthcare WordPress sites.
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.
HeaderShieldv1.0.14
Add safe, modern HTTP security headers with optional strict cross-origin protections and a simple admin UI.
Kareva Security Headersv1.1.1
Set HSTS, CSP, X-Frame-Options and other HTTP security headers from your dashboard, with presets, testing and reporting.
Read-only audit of HTTP security headers and related same-site HTTPS behavior returned by your WordPress site.
BoundaryGuard Headersv2.0.0
Automatically enforces essential HTTP security headers to protect your site from XSS, clickjacking, and protocol downgrade attacks.
Recommended security headers with safe presets, never sent twice, plus a read-only self-check that explains what your site really sends.