Securing WordPress with Essential HTTP Headers: A Four-Part Defense

Most WordPress sites leave significant security gaps at the header level, exposing users to clickjacking, content-type sniffing, and unencrypted requests. These four response headers—Strict-Transport-Security, X-Content-Type-Options, X-Frame-Options, and Referrer-Policy—block the most common attacks and take only minutes to implement. With a single curl command, you can audit any site's security posture immediately.