Add and manage essential HTTP security headers with ease. Protect your WordPress site from XSS, clickjacking, and other common vulnerabilities.
Alternatives to Kurt Vonnegut HTTP header
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.
Read-only audit of HTTP security headers and related same-site HTTPS behavior returned by your WordPress site.
EssentialHeadersv1.0.2
Adds the essential HTTP security headers WordPress leaves out—on every public site response.
HTTP Headersv1.19.6
HTTP Headers adds CORS & security HTTP headers to your website.
Add Custom Header Imagesv2.3.6
Remove default header images and load custom header images from 'The Headers' page. Allows for easy selection of random header images in your theme.
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 Header Generatorv6.1.04
This plugin generates the proper security HTTP response headers to keep your site secured.
Jeelsh HTTP Headersv1.0.2
Configure advanced HTTP security headers for your WordPress site.
Kareva Security Headersv1.1.1
Set HSTS, CSP, X-Frame-Options and other HTTP security headers from your dashboard, with presets, testing and reporting.
Abdal Security Headersv6.11.0
Enhance WordPress security with HTTP security headers and a Smart CSP Assistant that discovers real site resources for review.