Best SEO security headers plugins for WordPress
The most popular SEO security headers plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. Security Headers leads with 800+ active installs. All 1 plugins tagged “seo security headers” are below, with figures from WordPress.org that update every day.
Installs aren’t everything: a recent release, a “Tested up to” that matches the current WordPress, and support threads that get resolved show a plugin is looked after. Open any plugin for its downloads, rank history and alternatives.
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Top 1 SEO security headers plugins
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Security HeadersThe most installed SEO security headers plugin, with 800+ active installs. Only 2 reviews so far, updated 1 week ago. Tested only up to WordPress 6.9.11.