“hsts”

Adds basic security features to WordPress

WordPress plugin for managing security headers, CSP nonce support, scanning, and browser reporting.

Protect your WordPress for free with 6 essential security HTTP headers, a powerful file integrity monitoring (FIM) core scanner with automatic file restoration, and two-factor authentication (2FA). Advanced security in a clear,…

Adds security headers (HSTS, CSP, Referrer-Policy, X-Frame-Options) and hardens target=_blank links.

Free WordPress security headers: nosniff, frame, referrer, optional HSTS. EMPIREX Tech.

WordPress plugin to improve web security by modifying the HTTP header

WordPress Must-Use plugin to add HSTS header with preload and include Sub-domains

WordPress plugin to add privacy-focused HTTP security headers with sensible defaults that won't break your site.