by WordPress Performance Team 3.5 (2 reviews)

Web Worker Offloading

Name: Web Worker Offloading
Rating: 3.5 (2 reviews)
Author: WordPress Performance Team

Offloads select JavaScript execution to a Web Worker to reduce work on the main thread and improve the Interaction to Next Paint (INP) metric.

Web Worker Offloading ranks #1,570 among WordPress.org plugins with 10,000+ active installations, is #48 of 1,974 in the Analytics category, a 3.5/5 rating from 2 reviews, and was last updated Aug 26, 2026. Data from WordPress.org, refreshed twice daily — see methodology.

Compatible with WP 7.1

v0.3.0 Current Version v0.3.0

Updated 3 weeks ago Last Update on 26 Aug, 2026

Refreshed 7 hours ago Last Refreshed on

#48 of 1,974 in Analytics Top 5% by installs Downloads -43.6% this week Actively maintained

View on WordPress.org

Rank

#1,570

+1 this week

Active Installs

10K+

-46.6%

KW Avg Position

43.8

0.3 worse

Downloads

96.9K

+85 today

Support Resolved

— No change

Rating

70%

Review 3.5 out of 5

3.5 (2 reviews)

Next Milestone 20K

Total Progress 81.4%

10K+ 20K+

149

Ranks to Climb

Growth Needed

8,000,000

Active Installs

Pro

Unlock Exact Install Count

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

Upgrade to Pro

Need 1,861 more installs to reach 20K+

Rank Changes

Current #1,570

Change

Best #

Upgrade to Pro

Unlock 30-day and 90-day rank history charts with a Pro subscription.

Upgrade Now

Active Installs Growth

Upgrade to Pro

Active Installs 0,000,000+

Growth +0.0%

Peak 0,000,000

Downloads Growth

Downloads

Growth

Peak

Upgrade to Pro

Unlock 30-day, 90-day, and yearly download history charts with a Pro subscription.

Upgrade Now

Reviews & Ratings

3.5

2 reviews

Overall 70%

1 (50%)

0 (0%)

1 (50%)

0 (0%)

Security History

Source: WPVulnerability

No known vulnerabilities on record for Web Worker Offloading. Checked 2 days ago.

Track This Plugin

Get detailed analytics, keyword tracking, and position alerts delivered to your inbox.

Start Tracking Free

Plugin Details

Version: 0.3.0
Last Updated: Aug 26, 2026
Requires WP: 6.9+
Tested Up To: 7.1
PHP Version: 7.4 or higher
Author: WordPress Performance Team

Support & Rating

Rating: ★ ★ ★ ★ ☆ 3.5
Reviews: 2
Support Threads: 0
Resolved: 0%

Keywords

analytics javascript partytown performance web worker

Upgrade to Pro

Unlock keyword rankings, search positions, and detailed analytics with a Pro subscription.

Upgrade Now

Similar Plugins

Adminify – White Label, Admin Menu Editor, Login Customizer

6K+ installs

#2,751

Master Addons for Elementor – Elementor Addons, Widgets, Mega Menu Builder, Popup Builder, Widget Builder & Template Kits

30K+ installs

#1,006

Site Kit by Google – Analytics, Search Console, AdSense, Speed

5M+ installs

MonsterInsights - Google Analytics Dashboard for WordPress (Website Stats Made Easy)

GTM4WP - A Google Tag Manager (GTM) plugin for WordPress

700K+ installs

#82

Header Footer Code Manager

600K+ installs

#104

WP Statistics – Simple, privacy-friendly Google Analytics alternative

600K+ installs

#112

GA Google Analytics – Connect Google Analytics to WordPress

View all Analytics plugins

TL;DR

AI summary of the plugin's readme

This plugin is for WordPress site owners who use Rank Math SEO, Site Kit by Google, or WooCommerce and want to reduce main-thread JavaScript work. It offloads select JavaScript execution, including Google Analytics tracking, to a Web Worker to improve Interaction to Next Paint (INP) scores.

Offloads JavaScript to Web Worker
Improves Interaction to Next Paint
Opt-in via wp_script_add_data
Offloads inline before/after scripts
Google Analytics offloading for Rank Math SEO
Google Analytics offloading for Site Kit by Google
Google Analytics offloading for WooCommerce
Configurable via plwwo_configuration filter

Frequently Asked Questions

Common questions about Web Worker Offloading

If you find that your offloaded scripts aren't working while also seeing a 404 error in the console for a file at /wp-content/plugins/web-worker-offloading/build/partytown-sandbox-sw.html?1727389399791 then it's likely you have Chrome DevTools open with the "Bypass for Network" toggle enabled in the Application panel.

The Performance team and WordPress community take security bugs seriously. We appreciate your efforts to responsibly disclose your findings, and will make every effort to acknowledge your contributions. To report a security issue, please visit the WordPress HackerOne program.

Contributions are always welcome! Learn more about how to get involved in the Core Performance Team Handbook. The plugin source code is located in the WordPress/performance repo on GitHub.