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Best checkout optimizer plugins for WordPress

The most popular checkout optimizer plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. SellKit leads with 7K+ active installs, ahead of CheckFlow (fewer than 10). All 2 plugins tagged “checkout optimizer” 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 2 checkout optimizer plugins

  1. 1.
    SellKit

    The most installed checkout optimizer plugin, with 7K+ active installs. Rated 4.9 from 156 reviews, updated 1 week ago.

  2. 2.
    CheckFlow

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

All 2 plugins tagged “checkout optimizer”