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Free Plugin by Jonas Hjalmarsson v1.6.1

Really Simple Under Construction Page

Put your site behind an Under Construction page. Coming soon and maintenance mode, with a secret-word URL or IP whitelist so you can keep working.

Really Simple Under Construction Page

The facts

Rating
4.8★ from 9
Active installs
700+
Price
Free
Last updated
13 Aug 2026
Added
May 2018
Requires WP
6.0.0
Tested up to
WP 7.1
Requires PHP
7.4
Downloads
11,318

Our analysis

AI-assisted

Really Simple Under Construction Page is a WordPress plugin that allows you to display an Under Construction page while keeping the actual site accessible to selected users. You can enable this feature with a simple checkbox, and visitors will see the holding page unless they are logged in or have a secret word or IP address whitelisted.

This plugin is suitable for anyone needing to show a temporary page while a site is being built, maintained, or debugged. It provides flexibility in how the Under Construction page is displayed, allowing for custom HTML content without complicated settings or templates.

Best for: This plugin is best for website developers or site owners needing a simple way to manage site visibility during construction or maintenance.

What it does well

  • Easy to enable with a single checkbox
  • Custom HTML for the Under Construction page
  • Allows access via a secret word or IP whitelist
  • Logged-in users can always access the site
  • No complicated settings to learn

Where it falls short

  • Limited information on additional features or support

Verdict

Really Simple Under Construction Page is a straightforward solution for displaying a temporary page while keeping the site accessible to certain users. It is effective for those who prefer minimal configuration and customisation.

From the developer

Jonas Hjalmarsson's own description of Really Simple Under Construction Page, lightly tidied.

Tick one checkbox and your site is hidden behind an Under Construction page. Visitors see your holding page; you and anyone you let through see the real site. That is the whole plugin.

Two ways to get past the page without logging in:

  • A secret word. Visit yoursite.com/?yoursecret once and a cookie keeps that browser through. Good for showing a client work in progress.
  • An IP whitelist. Your office, your phone, an uptime monitor — they always see the live site.

Logged-in users are never blocked, and /wp-admin, the REST API, WP-CLI and cron keep working normally.

The page itself is your HTML. Paste in a full document with DOCTYPE, <style> and <body> if you want, or a single line of text. No page builder, no template picker, no upsell wizard — no settings you have to learn before the plugin does its job.

Use it for

  • Coming soon pages for a site that has not launched yet.
  • Maintenance mode while you rebuild, migrate or debug.
  • Staging and client-preview sites you want off the public web and out of Google.

Settings

Go to the settings page in Settings > Really Simple Under Construction. Enable by checking the checkbox. The Under Construction page is only visible to visitors who are not logged in. You can optionally configure:

  1. The Under Construction page itself — paste any HTML (DOCTYPE, , <body> etc. are supported, scripts are stripped).
  2. A secret word that lets you bypass the page via a URL like ?yoursecret. A cookie is then stored so the same browser keeps access.
  3. The lifetime of that cookie, in days.
  4. A list of IP addresses to whitelist for users and services that should always see the real site.

Read the full description on the official page →

Tagged as

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