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Best duplicate content plugins for WordPress

The most popular duplicate content plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. Advance Canonical URL leads with 1K+ active installs, ahead of Copyscape Premium (700+) and RPS Include Content (700+). All 16 plugins tagged “duplicate content” are below, with figures from WordPress.org that update every day.

Installs aren’t everything: a recent release, a “Tested up to” that matches the current WordPress, and support threads that get resolved show a plugin is looked after. Open any plugin for its downloads, rank history and alternatives.

Research this niche or see all plugins.

Top 10 duplicate content plugins

  1. 1.
    Advance Canonical URL

    The most installed duplicate content plugin, with 1K+ active installs. Only 4 reviews so far, updated 2 weeks ago.

  2. 2.
    Copyscape Premium

    700+ active installs. Rated 3.2 from 10 reviews, updated 10 months ago. Tested only up to WordPress 6.9.11.

  3. 3.
    RPS Include Content

    700+ active installs. Rated 4.9 from 18 reviews, updated 6 months ago. Tested only up to WordPress 6.9.11.

  4. 4.
    Duplicate Content Cure

    200+ active installs. No reviews yet, last updated 11 years ago. Tested only up to WordPress 4.2.39.

  5. 5.
    Replytocom Controller

    70+ active installs. Only 2 reviews so far, last updated 9 years ago. Tested only up to WordPress 3.5.2.

  6. 6.
    Plagiarism

    60+ active installs. Rated 3.0 from 7 reviews, last updated 13 years ago. Tested only up to WordPress 3.7.41.

  7. 7.
    Daisy Duplicate

    20+ active installs. Only 1 review so far, updated 10 months ago. Tested only up to WordPress 6.9.11.

  8. 8.
    No Duplicate Content in Comments

    10+ active installs. No reviews yet, last updated 17 years ago. Tested only up to WordPress 2.7.1.

  9. 9.
    Dooplee Duplicate Content Checker

    10+ active installs. No reviews yet, last updated 14 years ago. Tested only up to WordPress 3.2.1.

  10. 10.
    Easy Duplicate Content

    Fewer than 10 active installs. No reviews yet, last updated 1 year ago. Tested only up to WordPress 6.7.11.

All 16 plugins tagged “duplicate content”