Under Construction的作者是WebFactory Ltd,目前有400,000+个有效安装。已经Tested with 5.4.1版本的wordpress。
Create an Under Construction Page, Maintenance Mode Page, Coming Soon Page or a Landing Page that takes less than a minute to install & configure. Under Construction won’t waste your time! It’s simple, fast, efficient & user-friendly with great templates users love.

PRO version offers more than 50 extra features and options including the drag&drop builder, over a million hi-res searchable images, 200+ templates, affiliate&traffic tracking, advanced access control, MailChimp, Zapier & universal autoresponder integration, white-label license mode and priority support. Find out more on the official plugin site.

A simple, no-nonsense under construction plugin for all those situations when you have to hide the site behind an Under Construction page for a while. Live examples are available on the Under Construction website. Give us a shout on Twitter @WebFactoryLtd or check out the video.
UCP has full support for collecting leads and subscribers via optin boxes in content, and optin popups. We’ve integrated MailOptin a great, free plugin into UCP that connects to MailChimp and numerous other autoresponder services allowing you to easily collect emails.
Thanks to our partnership with Weglot, UCP is fully multilanguage ready and you can instantly translate your under construction page to 100+ languages with one click.

Under construction mode – on / off
Automatic End date & time – automatically disable under construction mode on a set date
Google Analytics Tracking ID – enable tracking via Google Analytics
Theme – test all available themes (200+)
Custom CSS – adjust any part of the page to fit your needs
Title – page title, for SEO
Description – page description, for SEO
Headline – main headline/title
Content – anything you need to display
Optin box, optin popup – collect leads and emails and sync with MailChimp and other autoresponders
Login Button – show a discrete link to the login form, or WP admin if you’re logged in
Social icons/links – new ones are added with every update; let us know if we missed your favorite ones


Whitelisted User Roles – user roles who see the site, instead of under construction page
Whitelisted Users – users who see the site, instead of under construction page

Under Construction Page is compatible with the following caching plugins: W3 Total Cache, WP Super Cache, Endurance Page Cache, SiteGround SuperCacher, WP Fastest Cache, Swift Performance Cache, WP Rocket, and Hummingbird cache.
What are others saying about the Under Construction Page plugin

WHSR wrote an in-depth guide on how to “Grow Your Blog Before It Is Born” featuring Under Construction Page
John Fraskos from Codestag says it’s “very friendly and easy to use”
WP Pluginsify wrote a review
WP Major wrote a review too
Erik from NoPassiveIncome points out: “plugin is so easy and quick to use”
Planet WP gave it 5/5 stars
FirstSiteGuide says: “a perfect choice”
WPblog wrote a review as well
WP TopDog had Daniel explain how to use the Under Construction Page