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Best opensearch plugins for WordPress

The most popular opensearch plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. Open Search Document leads with 200+ active installs, ahead of OpenSearch (20+) and WP Opensearch Advance (10+). All 4 plugins tagged “opensearch” 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 opensearch plugins

  1. 1.
    Open Search Document

    The most installed opensearch plugin, with 200+ active installs. Only 4 reviews so far, updated 1 month ago.

  2. 2.
    OpenSearch

    20+ active installs. No reviews yet, last updated 18 years ago. Tested only up to WordPress 2.6.

  3. 3.
    WP Opensearch Advance

    10+ active installs. No reviews yet, last updated 12 years ago. Tested only up to WordPress 4.0.38.

  4. 4.
    Add Browser Search

    10+ active installs. No reviews yet, last updated 17 years ago. Tested only up to WordPress 2.7.1.

All 4 plugins tagged “opensearch”