WPIntell

Market

query monitor

Query Monitor matters only if the evidence supports a paid workflow around shipping custom code and site changes without breaking production, not a list of isolated fixes. The current commercial thesis is: Custom code, snippets, headers, and editor changes can silently break sites or create hard-to-debug handoffs. The entry wedge is to preflight custom code changes, detect risky snippets, and package rollback-ready diagnostics.

Proof Health

Open evidence

Commercial opportunities need traceable source links before they are treated as build-worthy.

59 / 76 rows with source links

77.6% of this page's analysis has direct source links.

0 build-decision rows missing links

0 rows here require auditable proof before promotion.

17 rows with no attached evidence

0 rows have source counts but still need direct links.

Opportunity Summary

Full report

Build a developer change safety and site customization plugin for developers, agencies, and technical site owners: Custom code, snippets, headers, and editor changes can silently break sites or create hard-to-debug handoffs. The first wedge is to preflight custom code changes, detect risky snippets, and package rollback-ready diagnostics.

The unmet need is not the individual complaint. It is the recurring business workflow: Custom code, snippets, headers, and editor changes can silently break sites or create hard-to-debug handoffs. Current stage: commercial watchlist.

Competitors

3 shown
Query Monitor 200.0K installs · 4.9
weak incumbent
-100.0%momentum 64.1weakness 16/31pain/praise

Pain still appears around bugs, compatibility despite praise for quality, performance.

source 1 source 2
Query monitor Twig profile 80 installs · 0.0
watchlist
-100.0%momentum 35.5weakness 0/0pain/praise

Weakness evidence: stale update history.

Evidence

Open evidence explorer
complaint Conflict with strict mod_security

Conflict with strict mod_security: users show security, bugs, compatibility pain that may indicate a product gap.

DebugPress: Debugger in Popup · Conflict with strict mod_security Hello! mixed Can’t open overview in frontend

Can’t open overview in frontend: users show bugs, compatibility, missing feature pain that may indicate a product gap.

Query Monitor · In the dropdown I select an option but no block with options is showing from the bottom. complaint Totally Crashed Our Backend

Totally Crashed Our Backend: users show bugs pain that may indicate a product gap.

Query Monitor · Totally Crashed Our Backend This plugin totally crashed the Admin area of our website. mixed memory issues

Query Monitor's collection of many PHP deprecation traces appeared to exhaust memory and trigger 502 errors, leading to discussion of disabling or limiting error handling.

Query Monitor · QM is using up too much memory in storing the debugging info and exhausts the available memory praise Upgrading to version 3.16.1 results in a fatal error on the website.

Upgrading to version 3.16.1 results in a fatal error on the website.: users show bugs pain that may indicate a product gap.

Query Monitor · Upgrading to version 3.16.1 results in a fatal error on the website. mixed sends a 500 error

sends a 500 error: users show bugs, compatibility, performance pain that may indicate a product gap.

Query Monitor · sends a 500 error I´ve installed your plugin three times, added define( ‘QM_DISABLE_ERROR_HANDLER’, true ); in my wp-config.php and always has sent this 500 error in my dashboard. mixed A conflicting db.php file is present – File is Query Monitor file

A conflicting db.php file is present – File is Query Monitor file: users show compatibility, missing feature, support pain that may indicate a product gap.

Query Monitor · A conflicting db.php file is present – File is Query Monitor file I’m getting the “Extended query information such as the component and affected rows is not available. complaint Icon doesn’t appear in the admin bar

Icon doesn’t appear in the admin bar: users show bugs, missing feature, setup pain that may indicate a product gap.

DebugPress: Debugger in Popup · Icon doesn’t appear in the admin bar I’ve installed the plugin on a very slim install but the icon never appears. mixed The transparent background color of the QM window

The transparent background color of the QM window: users show bugs, compatibility, support pain that may indicate a product gap.

Query Monitor · The transparent background color of the QM window Hello and many thanks for the great plugin that I use for many years! mixed Invalid argument supplied for foreach()

Invalid argument supplied for foreach(): users show bugs, compatibility, support pain that may indicate a product gap.

DebugPress: Debugger in Popup · Invalid argument supplied for foreach() First – I love your plugin and it is massively helping us optimize our SQL queries to make a more performant site. mixed Conflict with Kint

Conflict with Kint: users show bugs, compatibility, support pain that may indicate a product gap.

DebugPress: Debugger in Popup · Conflict with Kint Hi there, I am using kint as a debugger with composer. mixed Disable error log

Disable error log: users show bugs, compatibility, missing feature pain that may indicate a product gap.

DebugPress: Debugger in Popup · Disable error log Hi, Great plugin, thanks for building this. mixed Lots of PHP notices regarding HTTP Panel

Lots of PHP notices regarding HTTP Panel: users show bugs, compatibility pain that may indicate a product gap.

DebugPress: Debugger in Popup · Lots of PHP notices regarding HTTP Panel Hey team! mixed Doesnt work on different sites

Doesnt work on different sites: users show bugs, support pain that may indicate a product gap.

DebugPress: Debugger in Popup · Doesnt work on different sites Hi, very nice looking debug plugin but unfortunately it doesnt work reliable. mixed Good

The reviewer likes Query Monitor but reports a CloudFront compatibility issue that causes 502 errors during media uploads.

Query Monitor · This plugin causes a 502 error when used with CloudFront on the async-upload.php script when uploading images complaint Does nothing

Does nothing: users show bugs pain that may indicate a product gap.

DebugPress: Debugger in Popup · Does nothing I have a green bug in the top right corner, white 1 in blue filed next to it. complaint Image Upload Error Behind CloudFront

With Query Monitor enabled behind CloudFront, media uploads finish but the upload request returns 502 and the page must be refreshed.

Query Monitor · This plugin appears to cause a 502 error response from CloudFront on the async-upload.php script mixed Works, but makes an error in JS console on every page load

Works, but makes an error in JS console on every page load: users show bugs pain that may indicate a product gap.

DebugPress: Debugger in Popup · Works, but makes an error in JS console on every page load The error is: debugpress.js?ver=1.1:287 Uncaught TypeError: Cannot read property ‘toUpperCase’ of undefined at Object.render (debugpress.js?ver=1.1:287) at HTMLDocument.<anonymous> (debugpress.js?ver=1.1:268) at HTMLDocument.dispatch (jquery.js?ver=1.12.4-wp:3) at HTMLDocument.r.handle (jquery.js?ver complaint Bug in Query Monitor – Conflict with WPML

Query Monitor conflicted with WPML by making WPML falsely report that the REST API was disabled despite it working normally.

Query Monitor · WPML falsely believes that the REST API is disabled complaint Error after update 4.0

Query Monitor 4.0 would not open for multiple users because third-party menu items triggered a JavaScript match error, later fixed in an update.

Query Monitor · I am also not able to open the Query Monitor. mixed Plugin fails entirely in 4.0 and 4.0.1

Query Monitor 4.0 broke the admin toolbar panel for multiple users through compatibility issues with plugins such as Object Cache Pro and Pods, then a quick patch fixed most cases.

Query Monitor · The plugin worked perfectly until I updated it to v4.0. I can no longer access anything in it. question n8n gives Header Overflow

The user asks whether Query Monitor response headers can be reduced because n8n fails with a header overflow error.

Query Monitor · n8n fails with Header Overflow (imho it just has too long response headers) complaint 7.0: Excessive lag when loading Classic Editor

Query Monitor amplified WordPress 7.0 Classic Editor lag, with TinyMCE becoming focusable much later when client-side media processing was enabled.

Query Monitor · the problem becomes tremendously larger when QM is active praise MUST HAVE

MUST HAVE: users show bugs, performance, support pain that may indicate a product gap.

DebugPress: Debugger in Popup · MUST HAVE Don’t let the low # of ratings fool you, this plugin is AWESOME and has become my new favorite debugging plugin. mixed db.php is integral requirement of WP Studio !!

The reviewer wants Query Monitor to work better with WP Studio because both rely on db.php, limiting local development visibility.

Query Monitor · WP studio... uses db.php for its sqllite based WP site databases so plugin is unable to function complaint CSS Rendering Issue: Missing fallback for light-dark() causes transparent backgr

Query Monitor becomes unreadable in older Chrome because unsupported CSS leaves the panel background transparent, though a later release fixed it.

Query Monitor · making the text unreadable over the WP admin interface praise Amazing! Stung for life!

Amazing! Stung for life!: users show bugs, compatibility pain that may indicate a product gap.

DebugPress: Debugger in Popup · This little bugger is awesome! praise Simply Magnificent

Simply Magnificent: users show bugs, support pain that may indicate a product gap.

DebugPress: Debugger in Popup · Simply Magnificent This is one of the plugins that knowone knows about but it’s an absolute legened when it comes to how much it helps me out. praise Essential for Debugging and Performance Monitoring

Essential for Debugging and Performance Monitoring: users show bugs, performance pain that may indicate a product gap.

Query Monitor · Essential for Debugging and Performance Monitoring Query Monitor is an incredibly useful tool for developers and site administrators. mixed upgrading to 3.2.0 triggers fatal error

Query Monitor 3.20.0 clashed with WP Crontrol and triggered a fatal error, later resolved in WP Crontrol 1.19.3.

Query Monitor · appears to clash with wp-crontrol question “RangeError: Maximum call stack size exceeded” in Database Queries

Query Monitor failed to display Database Queries and Slow Queries while the user was trying to diagnose a slow site.

Query Monitor · Trying to debug a site but the Database Queries tab shows this error: RangeError: Maximum call stack size exceeded praise Great plugin and great support

Great plugin and great support: users show support pain that may indicate a product gap.

Query Monitor · Great plugin and great support Thanks for all the effort with Query Monitor. praise Life saver

Life saver: users show setup pain that may indicate a product gap.

Query Monitor · Life saver quelle perte de temps d’avoir tâtonné si longtemps avant d’installer ce plugin… un must-have quelle perte de temps d’avoir tâtonné si longtemps avant d’installer ce plugin… un must-have praise Worked like a charm

Worked like a charm: users show bugs pain that may indicate a product gap.

Query Monitor · Worked like a charm I had a feeling something was clogging up my dashboard loading time and this plugin immediately identified the custom script and on which line the bug occured. praise Awesome work

Awesome work: users show bugs pain that may indicate a product gap.

Query Monitor · Awesome work best debug tool best debug tool praise Such an amazing plugin!

Such an amazing plugin!: users show setup pain that may indicate a product gap.

Query Monitor · I installed it in seconds and immediately knew what was causing my backend to be so sluggish. praise Just thank you!

Just thank you!: users show support pain that may indicate a product gap.

Query Monitor bbPress & BuddyPress Conditionals · Just started with BuddyPress and bbPress to revive an unmaintained plugin and your plugin helps me. praise Excellent

Excellent: users praise quality, which suggests what competitors already do well.

DebugPress: Debugger in Popup · Excellent Great plugin for developers. praise Very useful for developers

Very useful for developers: praise conversation with limited structured signal.

Query Monitor · Very useful for developers This is one of the plugins that I think is very well put together. Very useful for developers, keep up the good work! This is one of the plugins that I think is very well put together. Very useful for developers, keep up the good work! praise Excellent plugin!

Excellent plugin!: users praise quality, which suggests what competitors already do well.

Query Monitor · Excellent plugin!