Query Monitorv4.1.1
Query Monitor is the developer tools panel for WordPress and WooCommerce.
Alternatives to Debug Bar Query Tracer
Plugins below are selected for functional relevance and current directory signals. Active-install counts do not affect this ranking.
Relevant replacements
WordPress plugins with similar use cases
Compatibility and update metadata provide context, not a quality guarantee. Review each plugin’s details for your site.
Script Reportv1.2.2
Debug and audit JavaScript and CSS loading in WordPress. Analyze dependencies, detect issues, and improve performance on any page.
Local WebP optimizer for WordPress. Free converts images to WebP; Pro adds AVIF and site-wide image tools.
Extends the Query Monitor and Debug Bar plugins for ElasticPress queries.
Adds a High Performance Order Storage (HPOS) status indicator to the admin bar that shows the status of HPOS on the site, perfect for debugging.
Debug Bar Rewrite Rulesv1.1.4
Displays the current rewrite rules for the site. Requires the debug bar plugin.
Black Barv4.2.0
Black Bar is an unobtrusive Debug Bar for WordPress developers that attaches itself to the bottom of the browser window.
CB Site Health & Debugv1.0.2
A developer debug bar plus a plain-English site performance report, with one-click cleanup, trend history, and an optional weekly email digest.
A live on-page performance overlay for admins. Install a plugin, reload the page — and see exactly what it cost you.
Monitor WordPress performance, debug slow sites, track Core Web Vitals, database queries, memory usage, and cache effectiveness.