Coming Soon Page, Under Construction & Maintenance Mode by SeedProd的作者是SeedProd,目前有1+ 百万个有效安装。已经Tested with 5.4.1版本的wordpress。
Create a simple Coming Soon Page, Under Construction or Maintenance Mode Page. Work on your site in private while visitors see a “Coming Soon” or “Maintenance Mode” page.

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Benefits, Features and Options:

Works with any WordPress Theme
Customize the Look and Feel
Easily add Custom CSS and HTML
Uses HTML5 & CSS3
Translation Ready, i18n Support
Multisite Support
BuddyPress Support
Uses WordPress Best Practices

Pro Version Features:

Works with any WordPress theme
Visible only to non logged in users
Secret bypass link for your clients to view the upcoming website without logging in
Search Engine Optimized with customizable meta tags
Mobile Ready responsive design and layout
Maintenance Mode with Automatic Screenshot
Custom Look & Feel with no coding
Integrated Google and Typekit fonts
Full Browser Backgrounds option
Option to capture first and last name
Videos can be embedded in the description just be entering the URL
Display an Incentive after Sign Up
Social Profiles & Social Sharing Buttons
MailChimp, AWeber, Get Response, Constant Contact and Campaign Monitor integration
Gravity Forms integration to collect info from visitors
Built-in referral system to keep track referrered subscribers and how many of those convert
Store Emails in the WordPress Database to export to any email service
Progress bar with automatic completion calculation
Google Analytics Support
Automatic Easy Updates
Shortcode Support
Option to enable template responsiveness
Option to control access by IP
Custom Footer Branding
Custom Favicon
Custom CSS Support
Import/Export Settings for backup or re-use purposes
Multisite Support
HTML5 & CSS3 which degrades gracefully for older browsers
Translation Ready i18n Support
Option to exclude specific URLs from displaying Coming Soon page

Plus lots more…

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