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Best header code injector plugins for WordPress

The most popular header code injector plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. Ascend Marketing Tools leads with 10+ active installs. All 1 plugins tagged “header code injector” 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.

Research this niche or see all plugins.

Top 1 header code injector plugins

  1. 1.
    Ascend Marketing Tools

    The most installed header code injector plugin, with 10+ active installs. No reviews yet, last updated 6 years ago. Tested only up to WordPress 5.3.27.

All 1 plugins tagged “header code injector”