Easily enable modern security headers for your website with the Strict Security Headers plugin, with no configuration required.
As of April 2026, Strict Security Headers is a WordPress headers plugin with 10 active installations and a 0/5 rating0. It has been downloaded 787 times in total. Requires WordPress 5.5+ and PHP false+. Available on WordPress.org since 2023. Last updated 2 years ago — may have compatibility concerns. Top alternative: Headers Security Advanced & HSTS WP.
Strict Security Headers is a straightforward and lightweight plugin designed to enhance the security of your WordPress website by implementing modern security headers. Simply activate the plugin, and the headers are automatically added, there’s absolutely no configuration needed!
For any issues, queries, or enhancements, please refer to the plugin support forum. Regular updates and enhancements will be rolled out to ensure opti…
| WordPress | 5.5+ requiredTested up to 6.3.8 |
| PHP | false+ required |
Plugin data sourced from WordPress.org. Analysis and metrics by PluginSift.