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Smart Maintenance Redirect Manager By Müller - Redirect Manager and scheduled maintenance

WordPress plugin for maintenance mode with custom redirect and slug-based exception control.

by Leo Muller Luiz · github.com/leomullerluiz/smart-maintenance-redirect · website

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Install

No release zip yet. The repository archive installs, but the folder name will carry the branch suffix and updates will not flow:

wp plugin install https://github.com/leomullerluiz/smart-maintenance-redirect/archive/refs/heads/main.zip
Readme github.com/leomullerluiz/smart-maintenance-redirect ↗

WordPress plugin for maintenance mode with custom redirect and slug-based exception control.

Download

📦 Download Plugin (.zip)

Features

✨ Main Features:

  • ✅ Enable/disable maintenance mode with one click
  • ✅ Configure custom redirect URL
  • ✅ Define specific slugs that remain accessible (exceptions)
  • ✅ Logged-in users continue with full site access
  • ✅ HTTP 307 (temporary) redirect
  • ✅ User-friendly admin panel interface
  • ✅ Protection against redirect loops

Installation

  1. Upload the smart-maintenance-redirect folder to the /wp-content/plugins/ directory
  2. Activate the plugin through the 'Plugins' menu in WordPress
  3. Go to Settings > Smart Maintenance to configure

Usage

Basic Configuration

  1. Go to Settings > Smart Maintenance
  2. Check the "Enable maintenance mode" option
  3. Enter the redirect URL (e.g., https://yoursite.com/under-maintenance)
  4. Click Save Settings

Configuring Exceptions (Allowed Slugs)

If you want some pages to remain accessible, add the slugs in the "Allowed Slugs" field, one per line:

contact
about-us
api/webhook
privacy-policy

Important:

  • Slugs must be entered without leading slashes
  • One slug per line
  • Non-logged-in users will be able to access these pages normally

How It Works

For Non-Logged-In Users

  • When accessing any site URL → they are redirected to the configured URL
  • Exception: URLs matching allowed slugs remain accessible

For Logged-In Users

  • Full site access, no redirects
  • Can work normally in WordPress

For Administrators

  • Full access to the admin panel
  • Can enable/disable maintenance mode at any time

Usage Examples

Example 1: Total Maintenance

✅ Mode enabled
📍 URL: https://example.com/maintenance
📋 Allowed slugs: (empty)

Result: All non-logged-in visitors go to /maintenance

Example 2: Maintenance with Exceptions

✅ Mode enabled
📍 URL: https://example.com/maintenance
📋 Allowed slugs:
   contact
   about

Result:
- /any-page → redirects to /maintenance
- /contact → accessible normally
- /about → accessible normally

Technical Details

  • Minimum WordPress version: 5.0
  • Required PHP version: 7.0+
  • Redirect type: HTTP 307 (Temporary Redirect)
  • Hook used: template_redirect
  • Priority: Default

Security

  • ✅ Sanitization of all input data
  • ✅ URL validation
  • ✅ Protection against direct file access
  • ✅ User capability verification
  • ✅ Data output escaping

Uninstallation

When deactivating the plugin:

  • Maintenance mode is automatically disabled
  • Settings are kept in the database

To remove completely:

  1. Deactivate the plugin
  2. Delete the plugin
  3. (Optional) Manually remove the mmr_settings option from the database

Support

To report bugs or request features, open an issue on the GitHub repository.

License

GPL v2 or later

Author

Leo Muller Luiz

Support Development

If you find this plugin useful, consider supporting its development:

Bitcoin (BTC): bitcoin:BC1QARLA6QMAD2RGQSRMEWYLT067YGF6FLWGN57P9Q

Bitcoin Lightning: craftyappeal00@walletofsatoshi.com

Note: This plugin is provided "as is", without warranties of any kind.