by Forge12 Interactive GmbH 4 (6 reviews)

F12 Profiler

Name: F12 Profiler
Rating: 4.0 (6 reviews)
Author: Forge12 Interactive GmbH

Comprehensive WordPress performance analysis with crawling, load time measurement, server diagnostics, and integrated optimization tools. Free.

F12 Profiler ranks #9,270 among WordPress.org plugins with 400+ active installations, is #251 of 1,518 in the Performance category, a 4/5 rating from 6 reviews, and was last updated Feb 13, 2026. Data from WordPress.org, refreshed twice daily — see methodology.

Tested up to WP 6.9.7 (Current: 7.1)

v2.1.0 Current Version v2.1.0

Updated 7 months ago Last Update on 13 Feb, 2026

Refreshed 6 hours ago Last Refreshed on

#251 of 1,518 in Performance Top 25% by installs Downloads +15.3% this week

View on WordPress.org

Rank

#9,270

— No change

Active Installs

400+

-24.7%

KW Avg Position

127

5 worse

Downloads

48.2K

+14 today

Support Resolved

— No change

Rating

80%

Review 4 out of 5

4 (6 reviews)

Next Milestone 500

Total Progress 96%

400+ 500+

Ranks to Climb

Growth Needed

8,000,000

Active Installs

Pro

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See the precise estimated active installs for this plugin, calculated from real-time ranking data.

Exact install estimates within tiers
Track install growth over time
Milestone progress predictions

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Need 4 more installs to reach 500+

Rank Changes

Current #9,270

Change

Best #

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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

4.0

6 reviews

Overall 80%

3 (50%)

2 (33%)

0 (0%)

1 (17%)

Support Threads Overview

Resolved

Unresolved

Total Threads

Resolved

Unresolved

Resolution Rate

Security History

Source: WPVulnerability

1 known vulnerability on record · 1 in the last 24 months · checked 1 month ago

Feb 24, 2025

F12 Profiler [f12-profiler] < 1.4.0

CVE-2025-27340 · Fixed in v1.4.0

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Plugin Details

Version: 2.1.0
Last Updated: Feb 13, 2026
Requires WP: 6.0+
Tested Up To: 6.9.7
PHP Version: 8.0 or higher
Author: Forge12 Interactive GmbH

Support & Rating

Rating: ★ ★ ★ ★ ☆ 4
Reviews: 6
Support Threads: 1
Resolved: 0%

Keywords

cache optimization pagespeed performance speed

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TL;DR

AI summary of the plugin's readme

F12 Profiler is for WordPress site owners and administrators who want to diagnose and improve their site's performance. It analyzes server configuration, assets, database, and plugin impact, then provides prioritized recommendations and optimization tools to reduce load times.

Automatic site crawler with load times
Server diagnostics (PHP, MySQL, OPcache)
PHP profiler with plugin ranking
PageSpeed Insights integration
Lazy loading for images/iframes
WordPress bloat removal
Database analysis and cleanup
CSS/JS minification

Frequently Asked Questions

Common questions about F12 Profiler

The free version offers comprehensive analysis tools and 12 optimization tools. The Pro version adds advanced optimizations like page cache, Critical CSS, Unused CSS Removal, image optimization, Script Delay, One-Click Optimizer, and more. Ideal for websites that need maximum performance.

Yes. F12 Profiler is theme-agnostic and works with all WordPress themes. The frontend optimizations automatically compensate for typical theme shortcomings.

No. The analysis tools only run in the admin area. The frontend optimizations (Lazy Loading, Minification, etc.) actively speed up your site. The page cache (Pro) can reduce load times by 80-95%.

Yes. The plugin does not store any personal data. The PageSpeed API only sends the URL to Google. Local Google Fonts (Pro) replaces external Google Fonts requests with local files.

See the refund policy at developer030.de.