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Spam Word Blocker

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Spam Word Blocker

by Harshit Kumar

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Description

Spam Word Blocker is a lightweight, WordPress policy-compliant plugin that prevents publishing of any post, page, or custom post type if the content contains unwanted words defined by the admin.

Key Features

  • Instant Popup Alert – Shows exactly which blocked words were found
  • Works for ALL Post Types – Automatically covers posts, pages, and custom post types
  • Lightweight – Only runs during publish events, zero background load
  • Server-Side Enforcement – Cannot be bypassed
  • Beautiful Admin UI – Clean white and green premium design
  • WordPress Policy Compliant – Proper escaping, sanitizing, and nonces
  • Case-Insensitive Matching – Smart word-boundary detection

How It Works

  1. Admin adds blocked words/phrases (one per line) in plugin settings
  2. When user clicks Publish, plugin scans title, content, and excerpt
  3. If blocked words found:
    • Instant popup shows which words are blocked
    • Post is saved as draft automatically
    • Admin notice displays after page reload
  4. User removes blocked words and republishes successfully

Perfect For

  • Content moderation
  • Preventing accidental spam content
  • Multi-author sites
  • Guest post management
  • Adult content filtering
  • Brand protection

Credits

Developed by Harshit Kumar – https://kumarharshit.in

  1. screenshot-1.png - Main Dashboard with Spam Word Blocker.

    screenshot-1.png - Main Dashboard with Spam Word Blocker.

  2. screenshot-2.png - Blocked words found Realtime popup

    screenshot-2.png - Blocked words found Realtime popup

Does it work for custom post types?

Yes! It automatically works for all post types without any configuration.

Will it slow down my site?

No. The plugin only runs when someone clicks the Publish button. It has zero impact on page load times.

Can users bypass this?

No. The plugin enforces blocking on the server-side, so it cannot be bypassed.

Does it support multi-word phrases?

Yes! You can block multi-word phrases like “adult content” or “free casino”.

What happens to the post when blocked?

The post is automatically saved as a draft, and the user sees a popup and admin notice showing which words were blocked.

1.1.0

  • NEW: Instant popup modal showing blocked words
  • IMPROVED: Simplified code structure for better performance
  • IMPROVED: Full WordPress policy compliance (escaping, sanitizing, nonces)
  • IMPROVED: Better UX with clear blocked word display
  • IMPROVED: Cleaner admin interface

1.0.0

  • Initial release
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