Best onsite SEO plugins for WordPress
The most popular onsite SEO plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. WP And SEO Trainer leads with 10+ active installs, ahead of Internal-Site SEO (10+). All 2 plugins tagged “onsite seo” 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 2 onsite SEO plugins
- 1.
WP And SEO TrainerThe most installed onsite SEO plugin, with 10+ active installs. Only 1 review so far, last updated 10 years ago. Tested only up to WordPress 4.6.30.
- 2.
Internal-Site SEO10+ active installs. No reviews yet, last updated 12 years ago. Tested only up to WordPress 3.7.41.
All 2 plugins tagged “onsite seo”
WP And SEO Trainer
Up in the last 7 days:12,478#35,328by Tolga10 years ago
WP And SEO Trainer provides tutorials and lessons for using WordPress CMS as well as training videos for search engine optimization best practices.
- Installs
- 10+
- Rating
- 5.0(1)
- Downloads
- 0/day
Internal-Site SEO
Down in the last 7 days:10,363#46,179by chang4712 years ago
This Plugin helps you improve your offsite SEO by creating a good web silo structure and interlinking posts via tags
- Installs
- 10+
- Rating
- –
- Downloads
- 1/day