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Web Worker Offloading

v0.3.0

by WordPress Performance Team · updated 2 months ago

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

analyticsjavascriptpartytownperformanceweb worker
WordPress.org SaveAnalyze reviews Track this plugin
Rank
#1,636
Up1 vs yesterday
Active installs (est.)
≈ 15,000
10K+ reported · Medium
Total downloads
102.2K
102,163 all-time
Rating
3.5/5
2 reviews
Support resolved
–
0 of 0 threads, last 2 months
Declining·Downloads -30.8% (30d)·Toward 9K+ · ETA ~39d

Web Worker Offloading at a glance

Web Worker Offloading is a WordPress plugin by WordPress Performance Team with 10K+ active installs, the #1,636 most popular plugin on WordPress.org. On a typical day it’s downloaded about 95 times, 31% fewer than the month before. It’s rated 3.5 out of 5 from 2 reviews. Version 0.3.0 came out on Aug 26, 2026 and is tested up to WordPress 7.1.4. Among the 310 plugins tagged “javascript”, it ranks #8. It was first released in 2024.

Chart time range

Applies to every chart below. History from Oct 9, 2026, 31 days.

Showing the last 30 days. Full history comes with any paid plan.See plans

Downloads over time

Download stats

2.2K downloads · the last 30 days

Downloads over time
Web Worker Offloading Compare series
Downloads over time: 25 days across 1 series.50100150Oct 9Oct 13Oct 17Oct 21Oct 25Oct 29Nov 2Oct 29, 2026: Tested up to 7.1.4
View as table
DateWeb Worker Offloading
Nov 2, 202692
Nov 1, 202653
Oct 31, 202656
Oct 30, 202697
Oct 29, 202677
Oct 28, 2026117
Oct 27, 2026104
Oct 26, 2026106
Oct 25, 202660
Oct 24, 202662
Oct 23, 2026116
Oct 22, 2026173
Oct 21, 2026110
Oct 20, 202671
Oct 19, 202697
Oct 18, 202652
Oct 17, 202639
Oct 16, 202675
Oct 15, 2026123
Oct 14, 202687
Oct 13, 2026102
Oct 12, 202680
Oct 11, 202649
Oct 10, 202649
Oct 9, 2026106

Unusual spikes are usually updates, not new installs.

Estimated installs

≈ 15,134 · -0.8% in the last 30 days

Estimated installs
Estimated installs: 12 days across 1 series.15.2K15.2K15.3KOct 27Oct 29Oct 31Nov 2Nov 4Nov 8Oct 29, 2026: Tested up to 7.1.4
View as table
DateEstimated installs
Nov 8, 202615,134
Nov 7, 202615,125
Nov 5, 202615,208
Nov 4, 202615,209
Nov 3, 202615,186
Nov 2, 202615,202
Nov 1, 202615,206
Oct 31, 202615,220
Oct 30, 202615,244
Oct 29, 202615,264
Oct 28, 202615,249
Oct 27, 202615,262

Rank over time

#1,636 · down 23 in the last 30 days

Popular rank
Popular rank: 14 days across 1 series.#1.6K#1.6KOct 16Oct 27Oct 31Nov 4Nov 8Oct 29, 2026: Tested up to 7.1.4
View as table
DateDaily snapshot
Nov 8, 2026#1,636
Nov 7, 2026#1,637
Nov 6, 2026#1,629
Nov 5, 2026#1,628
Nov 4, 2026#1,628
Nov 3, 2026#1,629
Nov 2, 2026#1,629
Nov 1, 2026#1,630
Oct 31, 2026#1,629
Oct 30, 2026#1,628
Oct 29, 2026#1,626
Oct 28, 2026#1,628
Oct 27, 2026#1,628
Oct 16, 2026#1,613

Growth %

Average -0.07% a day in the last 30 days

Growth %, day over day
Growth %, day over day: 11 days across 1 series.-0.2%0%0.2%Oct 28Oct 30Nov 1Nov 4Nov 8
View as table
DateGrowth
Nov 8, 2026+0.06%
Nov 7, 2026-0.27%
Nov 5, 2026-0.01%
Nov 4, 2026+0.15%
Nov 3, 2026-0.10%
Nov 2, 2026-0.03%
Nov 1, 2026-0.09%
Oct 31, 2026-0.16%
Oct 30, 2026-0.13%
Oct 29, 2026+0.10%
Oct 28, 2026-0.09%

Active installs band

10K+ on WordPress.org

Active installs (rounded band)
Active installs (rounded band): 14 days across 1 series.9.5K10K10.5KOct 16Oct 27Oct 31Nov 4Nov 8Oct 29, 2026: Tested up to 7.1.4
View as table
DateDaily snapshot
Nov 8, 202610K+
Nov 7, 202610K+
Nov 6, 202610K+
Nov 5, 202610K+
Nov 4, 202610K+
Nov 3, 202610K+
Nov 2, 202610K+
Nov 1, 202610K+
Oct 31, 202610K+
Oct 30, 202610K+
Oct 29, 202610K+
Oct 28, 202610K+
Oct 27, 202610K+
Oct 16, 202610K+

Search rankings

Where it appears in WordPress.org search for the searches you track, checked every day.

See where Web Worker Offloading ranks in search

Track this plugin to check its position for the searches you choose, daily, with an alert when it moves.

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Change log

From our daily snapshot of WordPress.org
  1. Rank #1628 → #1628
    • Tested up to 7.1.3 → 7.1.4

Versions in use

Share of active installs on each published version, from WordPress.org.

  • v0.351%
  • v0.247%
  • v0.11.8%

Rating trend

3.5★★★★★2 reviews · steady in the last 30 days

Requirements & info

Version history
Version
0.3.0
Requires WordPress
6.9
Tested up to
7.1.4
Requires PHP
7.4
First released
Oct 3, 2024
Last updated
Aug 26, 2026
Releases, last 12 months
…

Questions about Web Worker Offloading

How many websites use Web Worker Offloading?

Web Worker Offloading is active on 10K+ WordPress sites, as WordPress.org reports it. WordPress.org rounds the number down, so the real count is somewhat higher. That makes it the #1,636 most popular plugin on WordPress.org.

How many times has Web Worker Offloading been downloaded?

102,163 times in total since 2024. On a typical day it’s downloaded about 95 times. See download stats

When was Web Worker Offloading last updated?

Version 0.3.0 came out on Aug 26, 2026 (2 months ago). See every release

Is Web Worker Offloading compatible with the latest WordPress?

Yes. It’s tested up to WordPress 7.1.4, the current version.

Does Web Worker Offloading have known security vulnerabilities?

No. WPVulnerability’s database lists no known vulnerabilities for Web Worker Offloading. See its security record

Is Web Worker Offloading still maintained?

Yes. Its last release was 2 months ago. No support threads were opened in the last two months.

What rating does Web Worker Offloading have?

3.5 out of 5 from 2 reviews on WordPress.org.

What are the best alternatives to Web Worker Offloading?

The plugins most like Web Worker Offloading, by the tags they share, are Async JavaScript (60K+), Image Optimizer (1M+) and ManageWP Worker (1M+). Compare all alternatives

Latest reviews

Analyze reviews
All reviews on WordPress.org

Review stats

3.5

★★★★★

2 reviews

  • 5 stars: 1 reviews, 50%
  • 4 stars: 0 reviews, 0%
  • 3 stars: 0 reviews, 0%
  • 2 stars: 1 reviews, 50%
  • 1 stars: 0 reviews, 0%
Positive
50%4–5★
Mixed
0%3★
Critical
50%1–2★
  • About 1 more 5★ reviews would lift it to 3.6.
  • Each new 1★ review takes 2 five-star reviews to balance out.

Compare with competitors

Add up to 1 competitor. No account needed.

Starter · 1 competitor
Web Worker Offloading
Suggested:
Metric
Web Worker Offloading
Estimated installs≈ 15,000
Reported installs10K+
Rating3.5
Reviews2
Total downloads102.2K
AuthorWordPress Performance Team
First releasedOct 3, 2024
Version0.3.0
Requires WP6.9
Requires PHP7.4
Last updatedAug 26, 2026

Alternatives to Web Worker Offloading

Compare all alternatives

Popular plugins with the same tags, the most in common first.

Side by side:Web Worker Offloading vs Async JavaScriptWeb Worker Offloading vs Image OptimizerWeb Worker Offloading vs ManageWP Worker

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