Best reliability plugins for WordPress
The most popular reliability plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. SentWatch leads with 30+ active installs, ahead of SteadyScore (fewer than 10) and SubmitSignal (fewer than 10). All 3 plugins tagged “reliability” 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 3 reliability plugins
- 1.
SentWatchThe most installed reliability plugin, with 30+ active installs. No reviews yet, updated 5 months ago. Tested only up to WordPress 6.9.11.
- 2.
SteadyScoreFewer than 10 active installs. No reviews yet, updated 4 months ago.
- 3.
SubmitSignalFewer than 10 active installs. No reviews yet, updated 5 days ago.
All 3 plugins tagged “reliability”

SentWatch
#24,490by pianoweb5 months ago
Monitor WordPress email delivery with instant notifications when problems occur.
- Installs
- 30+
- Rating
- –
- Downloads
- 0/day

SteadyScore
Up in the last 7 days:1,380#50,236by steadypress4 months ago
Audit every installed plugin for reliability, security, and maintenance health. Get a single SteadyScore from 0 to 100 per plugin.
- Installs
- <10
- Rating
- –
- Downloads
- 0/day

SubmitSignal
Down in the last 7 days:2,604#61,208by jarvismaximum5 days ago
Check a WPForms Lite contact form free from WordPress. Choose optional daily monitoring after reviewing its result.
- Installs
- <10
- Rating
- –
- Downloads
- 16/day