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Best flush plugins for WordPress

The most popular flush plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. WP OPcache leads with 10K+ active installs, ahead of Server-Side Cache AutoPurge (10K+) and Nginx Cache (8K+). All 10 plugins tagged “flush” 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 flush plugins

  1. 1.
    WP OPcache

    The most installed flush plugin, with 10K+ active installs. Rated 4.8 from 20 reviews, updated 1 month ago.

  2. 2.
    Server-Side Cache AutoPurge

    10K+ active installs. Rated 4.2 from 5 reviews, updated 4 months ago.

  3. 3.
    Nginx Cache

    8K+ active installs. Rated 4.6 from 24 reviews, updated 6 months ago.

  4. 4.
    Purge Varnish Cache

    1K+ active installs. Rated 5.0 from 10 reviews, updated 5 months ago.

  5. 5.
    Hestia Nginx Cache

    1K+ active installs. Rated 5.0 from 9 reviews, updated 2 months ago.

  6. 6.
    Clear cache for Timber

    500+ active installs. No reviews yet, last updated 2 years ago. Tested only up to WordPress 6.4.14.

  7. 7.
    Rewrite Flush Button

    100+ active installs. Only 2 reviews so far, last updated 13 years ago. Tested only up to WordPress 3.5.2.

  8. 8.
    Clear OPcache

    80+ active installs. Only 1 review so far, last updated 6 years ago. Tested only up to WordPress 5.2.30.

  9. 9.
    Flush Permalinks Button

    30+ active installs. No reviews yet, last updated 2 years ago. Tested only up to WordPress 6.4.14.

  10. 10.
    Permapilot

    Fewer than 10 active installs. No reviews yet, updated 3 weeks ago.

All 10 plugins tagged “flush”