Magento 2 Maintenance mode and coming soon page extension provides you the ease of creating maintenance page and coming soon page on your website. This Magento 2 coming soon extension basically offers 3 website modes, live, coming soon and maintenance. On the other hand, maintenance mode is activated with the countdown timer.
• Add and remove media to Coming Soon and Maintenance Mode pages
• White-list website traffic with respect to IP addresses
• Coming Soon page keeps the loyal customers waiting for new arrivals in near future.
• Maintenance mode keeps the users away from visiting the website under temporary maintenance.
More Details and Demo: Magento coming soon page