Best diagnostics plugins for WordPress
118 plugins tagged “diagnostics” on WordPress.org, in its popular order and updated daily. Research this niche or see all plugins.

Khukuri Speed X-Ray
Up in the last 7 days:2,582#59,549by bikrambk3 months ago
Stop guessing why your site is slow. See exactly what's costing you points, what each fix will gain, and what to do about it. Free forever.
- Installs
- <10
- Rating
- –
- Downloads
- 2/day

HealthSweep Site Monitor
Up in the last 7 days:4,254#59,893by Ravi Khadka7 months ago
Advanced WordPress Site Health, performance, security, cleanup, snapshots, alerts, and local speed benchmarking for admins.
- Installs
- <10
- Rating
- –
- Downloads
- 0/day

Maisy Site Performance Monitor
Up in the last 7 days:5,634#60,094by Pixeldust Interactive2 months ago
A read-only dashboard showing which WordPress, database, PHP, and server signals may be slowing down a site.
- Installs
- <10
- Rating
- –
- Downloads
- 0/day

Undergroundact Bug Reporter
Up in the last 7 days:12,928#60,546by btolman2 months ago
Collect structured bug reports, screenshots or screencasts, and WordPress diagnostics without leaving the site being tested.
- Installs
- <10
- Rating
- –
- Downloads
- 0/day

MH Submission Diagnostics for Contact Form 7
Up in the last 7 days:11,000#60,791by Muhammad Haris1 month ago
Contact Form 7 submission diagnostics and logging for validation, mail delivery, browser events, repeaters, and file uploads.
- Installs
- <10
- Rating
- –
- Downloads
- 0/day

Cobalt Checkout Diagnostics for WooCommerce
#60,828by Cobalt Branch Labs2 days ago
Troubleshoot WooCommerce cart and checkout configuration with local, read-only checks. Does not test payment completion.
- Installs
- <10
- Rating
- –
- Downloads
- 0/day

LIOSFERA Order Diagnostics
Up in the last 7 days:11,285#60,908by LIOSFERA12 days ago
Read-only WooCommerce order monitoring for suspicious delays, failed jobs, and status changes. No bank credentials required. Published by LIOSFERA.
- Installs
- <10
- Rating
- –
- Downloads
- 11/day
TechWizard Mail SMTP
Up in the last 7 days:6,462#61,847by techwizardkft2 months ago
Configure and diagnose reliable WordPress email delivery through SMTP and transactional mail services.
- Installs
- <10
- Rating
- –
- Downloads
- 0/day

REEID Builder Integrity
Down in the last 7 days:2,685#62,807by REEID GCE1 month ago
Read-only diagnostics for WordPress editor and page builder integrity issues.
- Installs
- <10
- Rating
- –
- Downloads
- 0/day
A1 Local Site Health Report Card
Up in the last 7 days:410#63,045by A1 Local5 months ago
Create a local-only WordPress site report card from observed admin, server, and configuration facts.
- Installs
- <10
- Rating
- –
- Downloads
- 0/day
Fullworks Support Diagnostics
Up in the last 7 days:1,032#63,392by fullworks1 year ago
A diagnostic tool that helps plugin developers provide better support by collecting relevant system information and managing debug constants.
- Installs
- <10
- Rating
- –
- Downloads
- 0/day

LOCALREACH Form Monitor
#64,056by LOCALREACH3 months ago
Monitor WordPress forms, mail delivery and scheduled test results from one clear dashboard.
- Installs
- <10
- Rating
- –
- Downloads
- 0/day

Phylax AI Crawler Inspector
Down in the last 7 days:6,419#64,191by Łukasz Nowicki2 months ago
Inspect how this site responds to AI-related agents. Audit robots.txt, llms.txt, redirects, headers and HTML without changing the site.
- Installs
- <10
- Rating
- –
- Downloads
- 0/day

Sentrix
Down in the last 7 days:2,026#64,202by ilabs1 month ago
Early-warning diagnostics for WooCommerce sales, payments, security, file integrity, and critical store changes.
- Installs
- <10
- Rating
- –
- Downloads
- 2/day
Site Status Reporter
Up in the last 7 days:7,252#64,208by Muhammad Rehman1 year ago
Easily generate and share detailed WordPress site reports with Site Status Reporter, including plugins, themes, PHP, server info, and more—fully custo …
- Installs
- <10
- Rating
- –
- Downloads
- 0/day

SPM by Marwan
Down in the last 7 days:3,160#64,304by Marwan Hatem5 months ago
Tracks load time and PHP errors for each active extension, storing logs in a custom database table.
- Installs
- <10
- Rating
- –
- Downloads
- 0/day
SpeeSeek
#65,508by danialpg21 days ago
Slow site or slow wp-admin? Find the cause — autoload bloat, heavy plugins, database weight, a cache that isn't working — and a ranked fix plan.
- Installs
- <10
- Rating
- 5.0(1)
- Downloads
- 0/day
CSGaku Site State Check
#65,779by csgaku5 months ago
Checks key WordPress site status items from the admin area without external API communication or automatic changes.
- Installs
- <10
- Rating
- –
- Downloads
- 2/day

Erfika Optimizer
Down in the last 7 days:6,087#66,245by Erfika1 month ago
A local-first Optimization Lab that profiles each WordPress site before suggesting cleanup and conservative optimization actions.
- Installs
- <10
- Rating
- –
- Downloads
- 2/day

KineticHub Frontend Doctor
#66,487by kinetichub1 month ago
Find what is breaking your WordPress frontend - and see the exact element involved.
- Installs
- <10
- Rating
- –
- Downloads
- 0/day
MerkEQ Relay
#66,624by merkeq1 month ago
Observe Relay-owned outbound webhook deliveries without storing payloads or credentials.
- Installs
- <10
- Rating
- –
- Downloads
- 0/day
HarborCache
Up in the last 7 days:4,014#66,763by shahidirfan1002 days ago
Persistent Redis object caching with scoped invalidation, local analytics, connection settings and diagnostics.
- Installs
- <10
- Rating
- 1.0(1)
- Downloads
- 11/day

ToolMate Conversion Snapshot
Down in the last 7 days:12,494#67,836by toolmatelabs2 months ago
See what actually happened when a WooCommerce order converted — purchase events, Google requests, attribution evidence and order matching.
- Installs
- <10
- Rating
- –
- Downloads
- 0/day

Site Remedy AI
Down in the last 7 days:343#67,851by Xpert Developerz1 month ago
Diagnose WordPress problems, track site changes, investigate failures, and recover with evidence-driven troubleshooting tools.
- Installs
- <10
- Rating
- –
- Downloads
- 0/day

WPG Site Doctor
Down in the last 7 days:1,517#68,061by Rakesh Raja2 months ago
Plain-English site health: score, checks, safe maintenance, error insights, sanitized reports, and developer help.
- Installs
- <10
- Rating
- –
- Downloads
- 0/day
Kodenzo Commerce Health
Down in the last 7 days:18,867#68,077by Kodenzo LLP3 days ago
Check your WooCommerce store's setup in one scan: payment gateways, shipping, tax, cron and updates. 35 read-only checks and a 0-100 health score.
- Installs
- <10
- Rating
- –
- Downloads
- 11/day

Site Current
Down in the last 7 days:12,274#68,098by Ali Ifqiren1 month ago
A calm WordPress second opinion that shows what needs attention, what changed, and what to look at next.
- Installs
- <10
- Rating
- 5.0(1)
- Downloads
- 0/day

Blockrush API Request Diagnostics
Down in the last 7 days:10,001#68,110by blockrush2 months ago
Analyze outbound third-party calls made through the WordPress HTTP API.
- Installs
- <10
- Rating
- –
- Downloads
- 0/day

AI Log Analyzer for WooCommerce
#68,438by Stuart Duff - a11n4 months ago
AI-powered WooCommerce log analyzer. Understand and fix log errors without developer knowledge.
- Installs
- <10
- Rating
- –
- Downloads
- 0/day

Error Division Radar
#68,649by errordivision1 day ago
Local operational change monitoring, system fingerprints and database incident capsules.
- Installs
- <10
- Rating
- –
- Downloads
- 78/day

Globe Boss CrawlBoost
Down in the last 7 days:4,658#69,594by T Gabriel22 days ago
A read-only crawl diagnostics console for Google & Bing: HTTP health, 304 validators, soft-404 detection, URL waste, and IndexNow.
- Installs
- <10
- Rating
- –
- Downloads
- 0/day

AiutoComputerHelp Live Request Monitor
Up in the last 7 days:2,113#69,701by aiutocomputerhelp11 days ago
Admin-only live WordPress request diagnostics with filters, behavioral indicators, and temporary capture. No blocking or permanent access log.
- Installs
- <10
- Rating
- –
- Downloads
- 11/day

Auvrenth Health Monitor
#69,712by Auvrenth Studio7 days ago
Know what needs attention on your WordPress site: focused health checks, clear fix guides, score history and optional agency monitoring.
- Installs
- <10
- Rating
- –
- Downloads
- 11/day

Qaiyo Web Performance Surgeon
Down in the last 7 days:6,241#69,908by qaiyo1 day ago
Diagnose what actually slows your site down — file- and function-level attribution of SQL, hooks, HTTP and assets, measured on a real visitor render.
- Installs
- <10
- Rating
- –
- Downloads
- 11/day

Nimble Operations
Down in the last 7 days:1,995#69,932by nimbleplugins.com21 days ago
Monitor WordPress health, performance and incidents from one lightweight, privacy-conscious operations dashboard.
- Installs
- <10
- Rating
- –
- Downloads
- 3/day

Serkify Clean Buddy
Down in the last 7 days:5,723#70,050by serkifybuddy4 months ago
Serkify Clean Buddy provides a centralized admin workspace for site inspection, diagnostic tracking, and database cleanup.
- Installs
- <10
- Rating
- –
- Downloads
- 2/day

IntelliLanz
#70,052by Mazlan Halim28 days ago
Understand your WordPress site's health, systems, components and known connections from one administrator dashboard.
- Installs
- <10
- Rating
- –
- Downloads
- 0/day

Happy Ordering
Down in the last 7 days:3,966#70,160by Combustion Group9 months ago
Check Happy Ordering system status and report bugs to improve your ordering experience.
- Installs
- <10
- Rating
- –
- Downloads
- 0/day

AlphaDevs Stripe Checkout Diagnostics for WooCommerce
Down in the last 7 days:6,716#70,271by alphadevs5 months ago
Diagnose common WooCommerce Stripe checkout configuration issues with read-only storefront probes, local webhook self-tests, and actionable findings.
- Installs
- <10
- Rating
- –
- Downloads
- 0/day

Fruti Media Integrity Audit
Down in the last 7 days:21,276#70,320by frutilabs1 month ago
Images missing after a migration or restore? See exactly which Media Library files WordPress expects but cannot find on disk - and change nothing.
- Installs
- <10
- Rating
- –
- Downloads
- 0/day

Payment Status Doctor for WooCommerce
Down in the last 7 days:3,121#70,324by Oleksandr2 months ago
Diagnostic-only scanner for WooCommerce orders where payment signals and order status may not match.
- Installs
- <10
- Rating
- –
- Downloads
- 0/day

Fruti Revision Footprint Audit
#70,340by frutilabs1 month ago
Read-only report of how many revisions each post carries and how much content they hold.
- Installs
- <10
- Rating
- –
- Downloads
- 2/day

DebugPay Toolkit for Payfast
Up in the last 7 days:2,345#70,576by Ravi Khadka3 months ago
Payfast payment diagnostics for WooCommerce with local logs, ITN/callback checks, sandbox/live labels, and order debug reports.
- Installs
- <10
- Rating
- –
- Downloads
- 0/day

PeopleRun Diagnostic Preflight
Down in the last 7 days:9,438#70,646by peoplerunai2 months ago
Evidence-first WordPress diagnostics, bounded repairs, verification receipts, and sanitized AI troubleshooting handoffs.
- Installs
- <10
- Rating
- –
- Downloads
- 0/day

DynaRadar
Up in the last 7 days:626#70,652by wpassisttech2 days ago
Scan your WordPress site to find dynamic content that may be affected by page caching.
- Installs
- <10
- Rating
- –
- Downloads
- 3/day
Web Plura Payment Gateway Monitor
Down in the last 7 days:10,241#70,711by Web Plura4 days ago
Review WooCommerce failed payments, pending orders, checkout readiness, local webhook signals, and gateway diagnostics.
- Installs
- <10
- Rating
- –
- Downloads
- 11/day

QueueRay
#70,746by delacooa122 months ago
Understand recent Action Scheduler failures, overdue jobs, likely owners, possible impact, and what to inspect next — without changing queue data.
- Installs
- <10
- Rating
- –
- Downloads
- 0/day

Flow Store Check for WooCommerce
Down in the last 7 days:18,035#70,834by codelith2 months ago
WooCommerce store health check and diagnostics for catalog, inventory, checkout, orders, payments, shipping, email, and system configuration.
- Installs
- <10
- Rating
- –
- Downloads
- 0/day

Elevoire Site Health Pro
Up in the last 7 days:14#70,973by Elevoire2 months ago
A read-only diagnostic companion to WordPress Site Health, covering PHP, security, database, performance, and caching.
- Installs
- <10
- Rating
- –
- Downloads
- 0/day

Fruti Shortcode Audit
#71,696by frutilabs1 month ago
Read-only inventory of the shortcodes stored in your content and of the tags no active plugin currently handles.
- Installs
- <10
- Rating
- –
- Downloads
- 0/day