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Async JavaScript

v2.21.08.31

by David Clough · updated 3 years ago

Async Javascript lets you add 'async' or 'defer' attribute to scripts to exclude to help increase the performance of your WordPress website.

asyncjavascriptpagespeedperformancerender blocking
WordPress.org SaveAnalyze reviews Track this plugin
Rank
#620
No change0 vs yesterday
Active installs (est.)
≈ 67,000
60K+ reported · Medium
Total downloads
2.1M
2,066,294 all-time
Rating
4.7/5
102 reviews
Support resolved
–
0 of 0 threads, last 2 months
Growing·Downloads +14.3% (30d)·Toward 70K+ · ETA ~10d

Async JavaScript at a glance

Async JavaScript is a WordPress plugin by David Clough with 60K+ active installs, the #620 most popular plugin on WordPress.org. On a typical day it’s downloaded about 99 times, 14% more than the month before. It’s rated 4.7 out of 5 from 102 reviews. Version 2.21.08.31 came out on Jun 22, 2023, more than 3 years ago. It is tested up to WordPress 6.2.15. It leads the 10 plugins tagged “async”. It was first released in 2014.

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

2.7K downloads · the last 30 days

Downloads over time
Async JavaScript Compare series
Downloads over time: 30 days across 1 series.50100150200Oct 9Oct 14Oct 19Oct 24Oct 28Nov 2Nov 7Oct 29, 2026: Tested up to 6.2.15
View as table
DateAsync JavaScript
Nov 7, 202658
Nov 6, 202685
Nov 5, 2026114
Nov 4, 202678
Nov 3, 2026110
Nov 2, 202694
Nov 1, 202661
Oct 31, 202661
Oct 30, 2026102
Oct 29, 2026113
Oct 28, 2026113
Oct 27, 2026113
Oct 26, 2026105
Oct 25, 202696
Oct 24, 202675
Oct 23, 2026155
Oct 22, 2026191
Oct 21, 2026148
Oct 20, 202680
Oct 19, 2026104
Oct 18, 202646
Oct 17, 202640
Oct 16, 202676
Oct 15, 202672
Oct 14, 202681
Oct 13, 202695
Oct 12, 202669
Oct 11, 202652
Oct 10, 202653
Oct 9, 202691

Unusual spikes are usually updates, not new installs.

Estimated installs

≈ 66,622 · -2.0% in the last 30 days

Estimated installs
Estimated installs: 30 days across 2 series.66.5K67K67.5K68KOct 9Oct 14Oct 19Oct 24Oct 29Nov 3Nov 8Oct 29, 2026: Tested up to 6.2.15
View as table
DateApproximate, from band changesEstimated installs
Nov 8, 2026–66,622
Nov 7, 2026–66,623
Nov 5, 2026–66,555
Nov 4, 2026–66,709
Nov 3, 2026–66,704
Nov 2, 2026–66,705
Nov 1, 2026–66,618
Oct 31, 2026–66,615
Oct 30, 2026–66,614
Oct 29, 2026–66,613
Oct 28, 2026–66,835
Oct 27, 202666,83566,835
Oct 26, 202666,900–
Oct 25, 202666,964–
Oct 24, 202667,029–
Oct 23, 202667,093–
Oct 22, 202667,158–
Oct 21, 202667,222–
Oct 20, 202667,287–
Oct 19, 202667,351–
Oct 18, 202667,416–
Oct 17, 202667,481–
Oct 16, 202667,545–
Oct 15, 202667,610–
Oct 14, 202667,674–
Oct 13, 202667,739–
Oct 12, 202667,803–
Oct 11, 202667,868–
Oct 10, 202667,932–
Oct 9, 202667,997–

Rank over time

#620 · down 7 in the last 30 days

Popular rank
Popular rank: 14 days across 1 series.#615#620Oct 16Oct 27Oct 31Nov 4Nov 8Oct 29, 2026: Tested up to 6.2.15
View as table
DateDaily snapshot
Nov 8, 2026#620
Nov 7, 2026#620
Nov 6, 2026#619
Nov 5, 2026#620
Nov 4, 2026#618
Nov 3, 2026#618
Nov 2, 2026#619
Nov 1, 2026#620
Oct 31, 2026#620
Oct 30, 2026#619
Oct 29, 2026#619
Oct 28, 2026#617
Oct 27, 2026#617
Oct 16, 2026#613

Growth %

Average -0.07% a day in the last 30 days

Growth %, day over day
Growth %, day over day: 29 days across 2 series.-0.2%0%0.2%Oct 10Oct 15Oct 20Oct 24Oct 29Nov 3Nov 8
View as table
DateApproximate, from band changesGrowth
Nov 8, 2026–-0.00%
Nov 7, 2026–+0.05%
Nov 5, 2026–-0.23%
Nov 4, 2026–+0.01%
Nov 3, 2026–-0.00%
Nov 2, 2026–+0.13%
Nov 1, 2026–+0.01%
Oct 31, 2026–+0.00%
Oct 30, 2026–+0.00%
Oct 29, 2026–-0.33%
Oct 28, 2026–0.00%
Oct 27, 2026-0.10%–
Oct 26, 2026-0.10%–
Oct 25, 2026-0.10%–
Oct 24, 2026-0.10%–
Oct 23, 2026-0.10%–
Oct 22, 2026-0.10%–
Oct 21, 2026-0.10%–
Oct 20, 2026-0.10%–
Oct 19, 2026-0.10%–
Oct 18, 2026-0.10%–
Oct 17, 2026-0.10%–
Oct 16, 2026-0.10%–
Oct 15, 2026-0.10%–
Oct 14, 2026-0.10%–
Oct 13, 2026-0.10%–
Oct 12, 2026-0.10%–
Oct 11, 2026-0.10%–
Oct 10, 2026-0.10%–

Active installs band

60K+ on WordPress.org

Active installs (rounded band)
Active installs (rounded band): 14 days across 1 series.60K65K70KOct 16Oct 27Oct 31Nov 4Nov 8Oct 29, 2026: Tested up to 6.2.15
View as table
DateDaily snapshot
Nov 8, 202660K+
Nov 7, 202660K+
Nov 6, 202660K+
Nov 5, 202660K+
Nov 4, 202660K+
Nov 3, 202660K+
Nov 2, 202660K+
Nov 1, 202660K+
Oct 31, 202660K+
Oct 30, 202660K+
Oct 29, 202660K+
Oct 28, 202660K+
Oct 27, 202660K+
Oct 16, 202670K+

Search rankings

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

See where Async JavaScript 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 #617 → #620Downloads -15%
    • Tested up to 6.2.14 → 6.2.15

Versions in use

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

  • v2.2193%
  • Other7.0%

Rating trend

4.7★★★★★102 reviews · steady in the last 30 days

Requirements & info

Version history
Version
2.21.08.31
Requires WordPress
4.6
Tested up to
6.2.15
Requires PHP
–
First released
Dec 11, 2014
Last updated
Jun 22, 2023
Releases, last 12 months
…

Questions about Async JavaScript

How many websites use Async JavaScript?

Async JavaScript is active on 60K+ WordPress sites, as WordPress.org reports it. WordPress.org rounds the number down, so the real count is somewhat higher. That makes it the #620 most popular plugin on WordPress.org.

How many times has Async JavaScript been downloaded?

2,066,294 times in total since 2014. On a typical day it’s downloaded about 99 times. See download stats

When was Async JavaScript last updated?

Version 2.21.08.31 came out on Jun 22, 2023 (3 years ago). See every release

Is Async JavaScript compatible with the latest WordPress?

Async JavaScript’s readme says it’s tested up to WordPress 6.2.15, while the current version is 7.1. That doesn’t mean it breaks, but its author hasn’t confirmed it works with the latest releases.

Does Async JavaScript have known security vulnerabilities?

None that affect the current version. WPVulnerability’s database lists 6 older issues, fixed in earlier versions, so keep Async JavaScript up to date. See its security record

Is Async JavaScript still maintained?

Its last release was 3 years ago, so it may no longer be actively maintained. No support threads were opened in the last two months.

What rating does Async JavaScript have?

4.7 out of 5 from 102 reviews on WordPress.org. 88% of them give 5 stars.

What are the best alternatives to Async JavaScript?

The plugins most like Async JavaScript, by the tags they share, are Speed Optimizer (1M+), SpeedyCache (500K+) and Jetpack Boost (200K+). Compare all alternatives

Latest reviews

Analyze reviews
All reviews on WordPress.org

Review stats

4.7

★★★★★

102 reviews

  • 5 stars: 90 reviews, 88%
  • 4 stars: 4 reviews, 4%
  • 3 stars: 1 reviews, 1%
  • 2 stars: 2 reviews, 2%
  • 1 stars: 5 reviews, 5%
Positive
92%4–5★
Mixed
1%3★
Critical
7%1–2★
  • About 26 more 5★ reviews would lift it to 4.8.
  • Each new 1★ review takes 12 five-star reviews to balance out.

Compare with competitors

Add up to 1 competitor. No account needed.

Starter · 1 competitor
Async JavaScript
Suggested:
Metric
Async JavaScript
Estimated installs≈ 67,000
Reported installs60K+
Rating4.7
Reviews102
Total downloads2.1M
AuthorDavid Clough
First releasedDec 11, 2014
Version2.21.08.31
Requires WP4.6
Requires PHP–
Last updatedJun 22, 2023

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Side by side:Async JavaScript vs Speed OptimizerAsync JavaScript vs SpeedyCacheAsync JavaScript vs Jetpack Boost

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