by Kurt Payne 0 (0 reviews)

Scrutoscope – WordPress Performance Profiler

Name: Scrutoscope – WordPress Performance Profiler
Author: Kurt Payne

Find which plugins, hooks, and queries are slowing your WordPress site. From the author of P3 Profiler.

Scrutoscope ranks #22,873 among WordPress.org plugins with 30+ active installations, is #1,386 of 4,596 in the Security category, and was last updated Sep 18, 2026. Data from WordPress.org, refreshed twice daily — see methodology.

Compatible with WP 7.1.2

v1.7.1 Current Version v1.7.1

Updated 6 days ago Last Update on 18 Sep, 2026

Refreshed 12 hours ago Last Refreshed on

#1,386 of 4,596 in Security Top 50% by installs Downloads -6% this week Actively maintained

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Rank

#22,873

— No change

Active Installs

30+

+400%

KW Avg Position

5 better

Downloads

1.4K

+26 today

Support Resolved

— No change

Rating

Review 0 out of 5

0 (0 reviews)

Next Milestone 40

Total Progress 90%

30+ 40+

1,852

Ranks to Climb

Growth Needed

8,000,000

Active Installs

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Rank Changes

Current #22,873

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Active Installs Growth

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Active Installs 0,000,000+

Growth +0.0%

Peak 0,000,000

Downloads Growth

Downloads

Growth

Peak

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Reviews & Ratings

0.0

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Overall 0%

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Plugin Details

Version: 1.7.1
Last Updated: Sep 18, 2026
Requires WP: 7.0+
Tested Up To: 7.1.2
PHP Version: 7.4 or higher
Author: Kurt Payne

Support & Rating

Rating: ☆ ☆ ☆ ☆ ☆ 0
Reviews: 0
Support Threads: 0
Resolved: 0%

Keywords

debug performance profiler slow speed

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Frequently Asked Questions

Common questions about Scrutoscope – WordPress Performance Profiler

TL;DR: Negligible overhead on non-profiled requests (a few ms). During active profiling, roughly 100–200 ms per request depending on your setup. There are two kinds of overhead. An always-on check on every request — a few milliseconds — decides whether the request is being profiled; this is what every visitor pays, and it's negligible. When a request is being profiled (an admin session, or the sampled fraction of background traffic), instrumenting the hooks and timing every callback adds roughly 100-200ms in our benchmarks (closer to 100ms in Lightweight Mode, closer to 200ms with the full trace). Both vary a lot with your environment — number of active plugins, OPcache, whether MySQL is local or remote, your hardware, and current load — so we report what we measured rather than promising a number. Background measurement is off by default; when you turn it on you choose the sample rate, and at a low rate most requests only pay the few-ms check. Query detail is a separate opt-in: enabling Query Profiling turns on WordPress SAVEQUERIES, which makes WordPress keep query text, timing, and caller in memory for the request — extra overhead you only pay when you ask for query detail, so leave it off when you just need request and source timing. And you're always one click from zero: deactivating Scrutoscope removes all overhead and keeps your captured profiles (only deleting the plugin removes the data).

Nothing, unless you choose to share a report. The "Send to Support" feature encrypts your report in the browser before upload. The relay server never sees your data. No telemetry, no analytics, no phone-home.

Yes. Scrutoscope profiles any WordPress request, including WooCommerce pages, AJAX calls, and REST API endpoints.

Yes, with a low sample rate (0.1% or 1%). Scrutoscope is designed for background capture at scale. Use higher rates for focused debugging.