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Best protocol plugins for WordPress

The most popular protocol plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. "SEO-HEADERS-Easy" Protocol HTTP 1.1 leads with 100+ active installs, ahead of TDMRep (40+) and Permalink History (20+). All 6 plugins tagged “Protocol” 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 protocol plugins

  1. 1.
    "SEO-HEADERS-Easy" Protocol HTTP 1.1

    The most installed protocol plugin, with 100+ active installs. Only 3 reviews so far, last updated 10 years ago. Tested only up to WordPress 4.4.34.

  2. 2.
    TDMRep

    40+ active installs. No reviews yet, last updated 2 years ago. Tested only up to WordPress 6.6.11.

  3. 3.
    Permalink History

    20+ active installs. No reviews yet, updated 1 month ago.

  4. 4.
    Allow Skype Protocol

    20+ active installs. No reviews yet, updated 1 month ago.

  5. 5.
    Protocol Relative Theme Assets

    20+ active installs. Only 2 reviews so far, last updated 12 years ago. Tested only up to WordPress 4.0.38.

  6. 6.
    protocols.io Publications Widget

    Fewer than 10 active installs. No reviews yet, last updated 7 years ago. Tested only up to WordPress 5.2.30.

All 6 plugins tagged “Protocol”