用外掛程式，擴增無限可能。
運用數千種外掛程式來新增功能、使用你最喜愛的工具；所有 WordPress.com 付費方案皆可使用。
authentification
3 外掛程式
Force Authentification Before Checkout for WooCommerceForce customer to log in or register before checkout
AuthenticatorThis plugin allows you to make your WordPress site accessible to logged in users only.
YALWThis widget is plain and simple and allows you to handle logins and password retrieval without a separate login screen. Install, add widget, done.