Nuoria

Simple Maintenance Mode White Screen is a lightweight WordPress maintenance mode plugin that lets you quickly put your site into maintenance mode with one click. Display a custom coming soon page, under construction notice, or a clean white screen while you update, redesign, or build your WordPress website.
Unlike bloated alternatives, this plugin is fast, simple, and does exactly what you need — no page builders, no subscriptions, no unnecessary features.
Key Features:
<ul>
<li>One-click maintenance mode — Enable or disable maintenance mode instantly from the WordPress admin</li>
<li>Custom maintenance message — Write your own coming soon or under construction text with basic HTML support (bold, italic, links)</li>
<li>Logo upload — Add your brand logo to the maintenance page using the WordPress media library</li>
<li>Background color picker — Customize the maintenance page background color</li>
<li>Text color picker — Choose a text color that matches your brand</li>
<li>Font family selector — Pick from web-safe fonts or use your theme default</li>
<li>Adjustable font size — Set the perfect text size for your maintenance message (10-100px)</li>
<li>Admin bar indicator — A red “Maintenance Mode: ON” badge in the admin bar reminds you when maintenance mode is active</li>
<li>Logged-in users bypass — Administrators and logged-in users can browse the site normally while visitors see the maintenance page</li>
<li>Clean uninstall — All plugin data is removed from the database when you delete the plugin</li>
<li>Translation ready — Fully translatable with included .pot file</li>
</ul>
Perfect for:
<ul>
<li>Putting your WordPress site under maintenance while making updates</li>
<li>Showing a coming soon page while building a new website</li>
<li>Displaying an under construction notice during a site redesign</li>
<li>Temporarily hiding your site from the public with a white screen</li>
</ul>
<h3>License</h3>
This plugin is licensed under the GPL-2.0+ License. See LICENSE for more details.

Simple Maintenance Mode White Screen

Lightweight maintenance mode plugin. Show a coming soon page, under construction notice, or white screen to visitors while you work on your site.

Whodunit

Jb Audras

Kantari Samy

This plugin is meant to send automatic notifications on the channel of your choice in your Slack Team.
Wether you manage hundred of websites or only a single one, it’s always good to know when they are down, so you can step in as quick as possible.
WP Down Slack Alert provides a dedicated settings screen where you are able to set up your Slack channel configuration and to create a customized bot (name, avatar…) for your notifications. There is a very helpful configuration wizard for your Slack API token. It will only takes few minutes to complete the configuration process.
You can also programmatically define the plugin’s settings with dedicated PHP constants (see FAQ section below).
This plugin is based on WordPress Core Recovery Mode. The Slack alert is triggered when your websites goes into Recovery Mode and send you a Slack Notification with details about the issue.

WP Down Slack Alert

Extension très utile quand on gère plusieurs sites pour être alerté des problèmes.

Parfait !

Connect WordPress Recovery Mode to a your Slack team to receive alerts when websites are down.

Simple Maintenance Mode White Screen vs WP Down Slack Alert