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Best memory usage plugins for WordPress

The most popular memory usage plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. Plugin Memory Usage leads with 600+ active installs, ahead of Memory Meter (600+) and IGW Memory & Under Construction (10+). All 4 plugins tagged “memory usage” 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 4 memory usage plugins

  1. 1.
    Plugin Memory Usage

    The most installed memory usage plugin, with 600+ active installs. Only 1 review so far, updated 3 weeks ago.

  2. 2.
    Memory Meter

    600+ active installs. Only 4 reviews so far, updated 8 months ago. Tested only up to WordPress 6.9.11.

  3. 3.
    IGW Memory & Under Construction

    10+ active installs. Only 1 review so far, updated 2 months ago.

  4. 4.
    Site Memory Inspector

    Fewer than 10 active installs. Only 1 review so far, updated 5 months ago.

All 4 plugins tagged “memory usage”