selmitec

Selmitec QuickSnap Restore lets you create a “snapshot” before updates or important changes and restore it when needed.
Key features (Free) 
* One-click snapshot. 
* Custom name for each snapshot. 
* Restore with redirect back to the current admin page (stored location). 
* Auto-login of the current user after restore. 
* Saves and restores: database, plugins, and themes. 
* Minimal UI, admin-only.
Where snapshots are stored 
Snapshots are saved under uploads: 
 wp-content/uploads/selmitec-quicksnap-restore/snapshots/
<h3>External services</h3>
This plugin can optionally send notifications via Telegram.
When enabled, it connects to the Telegram Bot API (api.telegram.org) to deliver messages about snapshot/restore events.
<ul>
<li>Service: Telegram Bot API (Telegram Messenger LLP / Telegram FZ-LLC)</li>
<li>What it is used for: sending optional admin notifications to a Telegram chat.</li>
<li>What data is sent: the bot token (in the request URL), chat_id, and the notification text you configure (which may include your site URL if you choose to include it in the message).</li>
<li>When data is sent: only when Telegram notifications are enabled in the plugin settings and a snapshot/restore event triggers a notification.</li>
<li>Terms of Service: https://telegram.org/tos</li>
<li>Privacy Policy: https://telegram.org/privacy</li>
</ul>

Selmitec QuickSnap Restore

Create one-click site snapshots and restore quickly from the WordPress admin area. Minimal UI and lightweight footprint.

Holovid

DIY Maintenance is the simplest way to activate a maintenance mode on your WordPress site, without bloating your system with unnecessary features. 
It allows you to:
<ul>
<li>Choose any existing page to act as your maintenance screen</li>
<li>Enable or disable maintenance mode with a single checkbox</li>
<li>Ensure logged-in administrators can always access the full site</li>
</ul>
No coding. No shortcodes. No custom post types. Just click and go.
<h3>Arbitrary section</h3>
Built with simplicity in mind, no custom frontend output or settings clutter.

DIY Maintenance

A lightweight plugin that redirects all non-admin visitors to a custom "Coming Soon" page of your choice. Perfect for pre-launch websites.

Selmitec QuickSnap Restore vs DIY Maintenance