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Best image optimisation plugins for WordPress

The most popular image optimisation plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. ImageKit leads with 1K+ active installs, ahead of EffortLess Simple Image Optimiser (30+) and Intrinsic Images for Woo (10+). All 7 plugins tagged “image optimisation” 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 7 image optimisation plugins

  1. 1.
    ImageKit

    The most installed image optimisation plugin, with 1K+ active installs. Rated 4.7 from 13 reviews, updated 7 months ago. Tested only up to WordPress 6.9.11.

  2. 2.
    EffortLess Simple Image Optimiser

    30+ active installs. No reviews yet, updated 3 weeks ago.

  3. 3.
    Intrinsic Images for Woo

    10+ active installs. No reviews yet, last updated 5 years ago. Tested only up to WordPress 5.7.21.

  4. 4.
    Tieraxo Asset Booster

    Fewer than 10 active installs. No reviews yet, updated 22 hours ago.

  5. 5.
    Simme Media Organiser

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

  6. 6.
    Photu

    Fewer than 10 active installs. No reviews yet, last updated 5 years ago. Tested only up to WordPress 5.8.19.

  7. 7.
    ITBoffins Image Scout

    Fewer than 10 active installs. No reviews yet, updated 4 months ago.

All 7 plugins tagged “image optimisation”