Easily improve site security with WordPress hardening, vulnerability detection and SSL certificate generation.
Best all-in-one WordPress security plugin, uses HTTP & HSTS response headers to avoid vulnerabilities: XSS, injection, clickjacking. Force HTTP/HTTPS.
Plug-in to ease the setting of TLS headers for HSTS and similar
Enable easily HSTS on your website.
HSTS is HTTP Strict Transport Security, a means to enforce using SSL even if the user accesses the site through HTTP and not HTTPS.