Easy Maintenance mode page extension provides administrators with an easy way to activate their maintenance mode page. It often happens that you want to temporarily block access to your Magento 2 store front end. For example when you run script or extension updates, when you run product catalogue updates with CSV or XML or during other maintenance activities.
The easy maintenance mode extension creates an on/off option in the Magento 2 admin that allows the administrator to switch the maintenance mode page on and off.
The extension also allows you to customize the maintenance mode page design.
1, Activate and deactivate the maintenance mode page from the admin panel 2. Customize your maintenance mode page through the admin panel