Julian Yanover

Check comments for duplicate content using Google AJAX Search API as they are published. This helps to avoid having duplicate content in your posts. It only checks approved comments that have over 50 words. The plugin searches two random strings, both 8 words length. If one of them finds an exact match, it emails you letting you know so you can check it yourself and decide if you want to delete it.

No Duplicate Content in Comments

Check comments for duplicate content using Google AJAX Search API as they are published. Emails you whenever it finds a match so you can check it and  …

Md Saddam Hossain Shakil

<h4>External Services</h4>
This plugin relies on external services for features that require server-side processing which cannot be performed locally within WordPress.
ContentTrace API (api.contenttrace.app)
<ul>
<li>Purpose: Web scanning, similarity analysis, and takedown report generation.</li>
<li>Why external: These features require large-scale web crawling, CPU-intensive content comparison algorithms, and structured legal document generation that cannot run within a WordPress installation.</li>
<li>Data sent: Your site domain (for identification), post content excerpts (for similarity comparison), and URLs (for analysis). Content is processed in memory and immediately discarded.</li>
<li>Privacy Policy: <a href="https://contenttrace.app/privacy.html" rel="nofollow ugc">https://contenttrace.app/privacy.html</a></li>
<li>Terms of Service: <a href="https://contenttrace.app/terms.html" rel="nofollow ugc">https://contenttrace.app/terms.html</a></li>
</ul>
Archive.org Wayback Machine (web.archive.org)
<ul>
<li>Purpose: Creating timestamped snapshots of your published posts as proof of original authorship.</li>
<li>Why external: Archive.org provides independently verifiable, timestamped archives that serve as legal evidence of publication date. This cannot be replicated locally.</li>
<li>Data sent: The public URL of your post.</li>
<li>Terms of Use: <a href="https://archive.org/about/terms.php" rel="nofollow ugc">https://archive.org/about/terms.php</a></li>
</ul>
Google Search (via browser)
<ul>
<li>Purpose: One-click manual search for your content fingerprints or titles.</li>
<li>Data sent: Opens a search in the user’s own browser. No server-side requests are made by the plugin.</li>
</ul>
<h4>About ContentTrace</h4>
ContentTrace helps WordPress content creators protect their work from theft by embedding invisible tracking tokens and providing tools to detect unauthorized copies.
All plugin features are fully functional for all users. The external API service may apply usage limits based on your service tier.
<h4>Core Features</h4>
<ul>
<li>Invisible Token Injection – Unique fingerprints embedded in every post</li>
<li>Token Dashboard – View all protected posts and their tokens</li>
<li>Quick Google Search – One-click search to find potential copies</li>
<li>Archive.org Integration – Create timestamped proof of publication</li>
<li>Smart Compare (URL & Text) – Compare your content with suspected copies</li>
<li>Takedown Notice Generator – DMCA/EU/International notices via API</li>
<li>CSV Export – Export all tokens for backup</li>
<li>Category Exclusion – Skip token injection for specific categories</li>
<li>Token Styling Options – Customize how visible tokens appear</li>
<li>RSS Feed Protection – Add tokens to feed content</li>
<li>Contact Information Storage – Pre-fill takedown notice details</li>
</ul>
<h4>How It Works</h4>
<ol>
<li>Protect – ContentTrace adds unique invisible tokens to your posts</li>
<li>Detect – Use manual search or API scanning to find copies</li>
<li>Prove – Archive.org snapshots prove you published first</li>
<li>Act – Generate takedown notices to remove stolen content</li>
</ol>
<h4>Privacy</h4>
<ul>
<li>Tokens are stored locally in your WordPress database</li>
<li>Content sent for analysis is processed and immediately discarded</li>
<li>No personal data is stored on external servers beyond basic usage tracking</li>
<li>Archive.org submissions use the public Wayback Machine service</li>
</ul>

ContentTrace

Protect your WordPress content with invisible fingerprints and dual detection technology. Find who copied your posts and prove ownership.

No Duplicate Content in Comments vs ContentTrace