If you are going away on holiday or need to display a message on your website that will appear on all pages, WooCommerce has built in a sitewide “Store Message” function. This is slightly hidden away, but very simple to setup when you know where it is.
Enable WooCommerce Vacation or Store Message

Login to your WordPress Website
Navigate to the Customizer

This can be found beneath Appearence > Customize in the main WordPress dashboard menu
Select WooCommerce in the Customizer

Select Store Notice

Configure the Notice

Article published 16th August 2022
Last modified 02nd November 2023