95
Query Monitor
The ultimate diagnostic lens for your WordPress backend.
HealthyGrowing
95/100
This essential developer tool provides deep visibility into site performance and errors for WordPress users.
Active installs
~250,000
our estimate · wp.org shows 200k+
Rating
4.9★
467 ratings
Trend · vs a year ago
+16%
Growing
9,543 → 11,072 installs/day
Downloads over time
real new installs per day · release spikes shown separately from the trend2025-04-302025-08-082025-11-162026-02-232026-06-03
organicrelease spikerelease tailorganic trend · 14d rolling median
Growing · +16% in the last year
9,543/day a year ago→11,072/day today
Reviews
what people actually sayQuery Monitor is a highly regarded, free developer debugging tool for WordPress that gives deep visibility into site performance and errors, with virtually no credible complaints beyond one isolated crash report.
What people like
- +Provides deep insight into page load performance, database queries, errors, and template loading — described as an essential developer toolbox×6
- +Useful for identifying slow or problematic plugins and third-party calls causing performance issues×2
- +Considered lightweight enough to run without noticeable overhead
- +Free to use
Common complaints
- −At least one user reported it completely crashed their WordPress admin area, requiring manual file deletion via the hosting provider
- −Installs a db.php file in wp-content that needs to be manually added to .gitignore
Review trustReviews look organic
- 4.80★Verified rating — holds steady vs the raw 4.90★
- 7%One-shot reviewers — most reviewers are active community members
Reviews per month · 5★ vs lower
2023-07-202025-01-102026-06-04
5★ reviews1–4★ reviews
All-time ratings · 467 total
Latest reviews · 90 analyzed
- 2026-05-23★★★★★Sanity saverandroidusercu
- 2026-04-20★★★★★Absolutely indispensable!Mehraz Morshed
- 2026-04-08★★★★★Gah Bless You Sircasualadam
- 2026-03-27★★★★★The most useful plugin of all timedochara
- 2026-02-11★★★★★Goodkloddant
- 2026-01-24★★★★★Quá tuyệt vời, plugin này web nào tôi cũng càitinhnguyenblog
- 2026-01-13★★★★★Usa que é top pra quem desenvolveyodougxd1-shot
- 2025-11-27★★★★★An Amazing Tooldmccan
- 2025-11-19★★★★★Useful pluginFerdy S
- 2025-11-09★★★★★bestAli Zarei1-shot
Releases
recent versions from WordPress.org SVNFor developers & the curious
the raw signals behind the grade — none of this is on the friendly summary aboveDownload signals
Baselines are computed on organic days only — release spikes and their tails are excluded, so they're not inflated by the auto-update wave.
10,861
Baseline · median of last 7 organic days
11,148
Prior 7-day baseline
8,399
Floor · 25th percentile over 14 days
10,861
Latest day · 2026-06-03(organic)
-2.6%
Week-over-week organic trend
Review signals
Concentration and drive-by metrics drive the review-burst and fake-review flags. 30–40% solo reviewers is normal; we only flag the extremes.
10%
Max month share · biggest single 30-day window
0.90
Distribution CV · <0.6 even, >1.5 bursty
94%
5★ share in analyzed sample
7%
Solo reviewers · only this one wp.org activity
0%
Volume velocity · last 6mo vs prior 6mo
4.81 → 4.80★
Sample avg · raw → solo-filtered