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Best client side plugins for WordPress

The most popular client side plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. Comment Validation leads with 700+ active installs, ahead of AJAX Manufactory (100+) and qTwit (for WordPress) (10+). All 6 plugins tagged “client side” 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 6 client side plugins

  1. 1.
    Comment Validation

    The most installed client side plugin, with 700+ active installs. Only 1 review so far, last updated 16 years ago. Tested only up to WordPress 2.9.2.

  2. 2.
    AJAX Manufactory

    100+ active installs. Rated 5.0 from 5 reviews, last updated 7 years ago. Tested only up to WordPress 5.2.30.

  3. 3.
    qTwit (for WordPress)

    10+ active installs. No reviews yet, last updated 16 years ago. Tested only up to WordPress 2.9.2.

  4. 4.
    Last.wp

    10+ active installs. No reviews yet, last updated 16 years ago. Tested only up to WordPress 2.9.2.

  5. 5.
    CompressPrivacy

    Fewer than 10 active installs. No reviews yet, updated 2 months ago.

  6. 6.
    LH Localforage

    Fewer than 10 active installs. No reviews yet, last updated 6 years ago. Tested only up to WordPress 5.3.27.

All 6 plugins tagged “client side”