Best semantic plugins for WordPress

The most popular semantic plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. Navigation Menu IDs & Classes leads with 100+ active installs, ahead of Schema Breadcrumbs (100+) and LH Table of Contents (50+). All 23 plugins tagged “semantic” 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 10 semantic plugins

1.
Navigation Menu IDs & Classes
The most installed semantic plugin, with 100+ active installs. Rated 4.8 from 5 reviews, last updated 11 years ago. Tested only up to WordPress 4.1.42.
2.
Schema Breadcrumbs
100+ active installs. No reviews yet, last updated 2 years ago. Tested only up to WordPress 6.5.14.
3.
LH Table of Contents
50+ active installs. Only 1 review so far, last updated 7 years ago. Tested only up to WordPress 5.2.30.
4.
WP Calais Auto Tagger
40+ active installs. Only 1 review so far, last updated 11 years ago. Tested only up to WordPress 4.2.39.
5.
ABG Rich Pins
30+ active installs. Only 3 reviews so far, last updated 13 years ago. Tested only up to WordPress 3.6.1.
6.
Social Semantic Recommendation (SOSERE)
10+ active installs. Rated 4.4 from 5 reviews, updated 3 months ago.
7.
Scry Search
10+ active installs. Only 3 reviews so far, updated 3 days ago.
8.
Ripple
10+ active installs. No reviews yet, last updated 7 years ago. Tested only up to WordPress 5.2.30.
9.
Semantic Tags
10+ active installs. Only 2 reviews so far, last updated 12 years ago. Tested only up to WordPress 3.9.40.
10.
ContentSide Semantic Platform
10+ active installs. No reviews yet, updated 1 month ago. Tested only up to WordPress 6.8.12.