Best deprecation plugins for WordPress
The most popular deprecation plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. Upgrade Readiness Monitor leads with 10+ active installs, ahead of Deprecation Checker (10+). All 2 plugins tagged “deprecation” 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.
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Top 2 deprecation plugins
- 1.
Upgrade Readiness MonitorThe most installed deprecation plugin, with 10+ active installs. No reviews yet, updated 4 months ago.
- 2.
Deprecation Checker10+ active installs. Only 2 reviews so far, last updated 14 years ago. Tested only up to WordPress 3.3.2.
All 2 plugins tagged “deprecation”
Upgrade Readiness Monitor
Down in the last 7 days:510#29,331by Dhanendran Rajagopal4 months ago
Know what will break before you upgrade PHP or WordPress — real-time deprecation capture plus a plugin and theme compatibility audit.
- Installs
- 10+
- Rating
- –
- Downloads
- 0/day
Deprecation Checker
#30,125by Brian Fegter14 years ago
Deprecation Checker simply scans your plugins, themes, and custom directories for deprecated functions.
- Installs
- 10+
- Rating
- 5.0(2)
- Downloads
- 0/day