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PluginCanary

Async JavaScript

by David Clough · 60,000+ active installs · Checked 3 Nov 2026
At risk1 Critical1 Warning

At risk: no release in 41 months (last release 22 Jun 2023).

59/ 100 Canary Score

Capped at 59 while a Critical signal is open.

Sub-scores for Async JavaScript
Ownership100
Maintenance0
Security100
Support70
Reputation70

How the score works

Active signals

Facts we detected, with links to the source.

  • CriticalMNT-1No release in 41 months (last release 22 Jun 2023). Plan a replacement if the plugin is important to your site.21 Jun 2024Evidence
  • WarningMNT-2Tested up to WordPress 6.2.15, 9 major versions behind 7.1.4. Plan a replacement if the plugin is important to your site.3 Nov 2026Evidence

Ownership timeline

Who commits to the plugin's code on wordpress.org, over time.

Committers and their active periods
futtta13 Mar 2018 to 22 Jun 2023, 23 commits

1 committer recorded. No ownership changes recorded since 3 Nov 2026.

Maintenance

Last release
3 years ago
Releases, 24 months
0
Tested up to
6.2 vs 7.1
Requires PHP
not stated supported 8.2+
Releases per quarter for Async JavaScript
Q1 20240
Q2 20240
Q3 20240
Q4 20240
Q1 20250
Q2 20250
Q3 20250
Q4 20250
Q1 20260
Q2 20260
Q3 20260
Q4 20260

Last release 22 Jun 2023. Tested up to 6.2, 9 major versions behind WordPress 7.1.

Support

Support history appears after our first snapshots of the forum counts.

Security record

PublishedIssueCVSSAffectedFixed inDays to patch
13 Jun 2021Async Javascript <= 2.20.12.09 - Authenticated (Admin+) Cross-Site Scripting5.5<= 2.20.12.092.21.06.2917
27 Feb 2020Async JavaScript <= 2.19.07.14 - Authenticated (Subscriber+) Stored Cross-Site Scripting6.4< 2.20.02.272.20.02.271

Source: Wordfence Intelligence.

Reputation

Lifetime rating 4.7 from 102 ratings. Quarterly trends appear as new reviews arrive.

Rating distribution
5 star90
4 star4
3 star1
2 star2
1 star5

Momentum

60,000+ active installs. History builds with each weekly snapshot.

Weekly downloads, last 27 weeks
Weekly downloads for Async JavaScript
4 May 2026306
11 May 2026580
18 May 2026557
25 May 2026547
1 Jun 2026513
8 Jun 2026510
15 Jun 2026549
22 Jun 2026490
29 Jun 2026457
6 Jul 2026450
13 Jul 2026472
20 Jul 2026520
27 Jul 2026446
3 Aug 2026518
10 Aug 2026467
17 Aug 2026456
24 Aug 2026463
31 Aug 2026415
7 Sep 2026438
14 Sep 2026551
21 Sep 2026562
28 Sep 2026528
5 Oct 2026589
12 Oct 2026479
19 Oct 2026849
26 Oct 2026668
2 Nov 202694

Weekly downloads over the last 4 weeks are 5% above the 27-week average.

Healthier alternatives

Same category, higher Canary Score. Never sponsored.

Page OptimizeScore 91 · 200,000+Jetpack Boost - Website Speed, Performance and Critical CSSScore 91 · 200,000+Performance LabScore 91 · 100,000+Speculative LoadingScore 91 · 70,000+Optimization DetectiveScore 91 · 60,000+

Facts

Version2.21.08.31
AuthorDavid Clough
Added11 Dec 2014
Last updated22 Jun 2023
Active installs60,000+
Requires WordPress4.6
Tested up to6.2.15
Requires PHPnot stated
CategoryPerformance & Optimization > Caching Solutions
Tagsasync, pagespeed, javascript, performance, render blocking

Other plugins by this author: Payment Gateway: POLi for WooCommerce

Questions

Is Async JavaScript still maintained?

Async JavaScript was last updated on 22 Jun 2023. Its Canary status is At risk.

Is Async JavaScript safe?

Async JavaScript has no open unpatched vulnerabilities on record. 0 vulnerabilities were published in the last 24 months. Its Canary status is At risk.

Who owns Async JavaScript?

The wordpress.org author is David Clough. Recent committers: futtta, cloughit, plugin-master. We have recorded no ownership change.

What can I use instead of Async JavaScript?

Plugins in the same category with a higher Canary Score: Page Optimize, Jetpack Boost - Website Speed, Performance and Critical CSS, Performance Lab, Speculative Loading, Optimization Detective.

Data: wordpress.org Plugins API, plugins SVN and Trac, wordpress.org reviews, Wordfence Intelligence.Plugin data refreshed 3 Nov 2026.Report a data issue