New feature is included in 2.0 version, makes it possible to set your website unavailable for users to access.
It’s most commonly used while fixing or improving website.
To activate Maintenance Mode:
1. Go to Admin Panel
2. Select Settings >General
3. Set Maintenance Mode option to ON
4. Click Save button
While activated, anyone who tries to access will see following page. Only administrator can access and see whole website by logging in.
[jetpack_subscription_form]