このプラグインは WordPress の最新3回のメジャーリリースに対してテストされていません。もうメンテナンスやサポートがされていないかもしれず、最新バージョンの WordPress で使用した場合は互換性の問題が発生する可能性があります。

Remove jQuery from Theme

作者: Marc Tönsing

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説明

Removes jQuery from your frontend theme if no administrator is logged-in. jQuery will continue to work in you backend and when the admin toolbar is visible. Plugins which depend on jQuery will not be loaded either.

This plugin does nothing more but this:

function init_without_jquery() {
    if (!is_admin() AND !is_admin_bar_showing()) {
        wp_deregister_script('jquery');
        wp_register_script('jquery', false);
    }
}

add_action('init', 'init_without_jquery');

インストール

Remove jQuery can be found and installed via the Plugin menu within WordPress administration (Plugins -> Add New). Alternatively, it can be downloaded from WordPress.org and installed manually…

FAQ

Why did you do this?: Because I needed a simple plugin to do this job and decided to do it on his own. WordPress frontends are is much faster without jQuery.
jQuery is still loading! The plugin does not work!: You are most likely logged-in as administrator and the admin topbar is visible. Many plugins rely on jQuery for backend features. So I kept it enabled for the admin topbar, too.