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Async JavaScript v2.21.08.31

Eliminate Render-blocking Javascript in above-the-fold content with Async Javascript. Render-blocking Javascript prevents above-the-fold content on your page from being rendered until the javascript h...

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  • Audit coverage Up to date 30 versions audited
  • On Plugin Auditor since Sep 6, 2026
  • Last audited Sep 6, 2026

Compatibility & requirements

The PHP and WordPress versions this plugin needs, and how current its version support is.

  • Requires WordPress 4.6+
  • Tested up to WP 6.2 WP 7.1.3 is current
  • Version adoption 93% run the current version

Audit scores by category

125 checks

How this plugin scores across the six areas we audit, from security to accessibility.

  • 100 Passed
  • 20 Warnings
  • 5 Failed
Security 78/100
Needs Improvement

29 of 37 checks passed.

Code Quality 80/100
Good

49 of 61 checks passed.

Performance 92/100
Excellent

11 of 12 checks passed.

Compatibility 83/100
Good

5 of 6 checks passed.

Privacy 100/100
Excellent

3 of 3 checks passed.

Accessibility 50/100
Needs Improvement

3 of 6 checks passed.

Code footprint

How much code ships in this plugin, and the file types that make it up.

View in detail

ZIP file size

203.5 KB

459.0 KB unzipped

Total files

26

across all file types

Lines of PHP

2,491

in 11 files Small

File types

  • PHP
  • JS
  • CSS
  • PNG
  • Other

Top issues

The most important findings from the latest audit, ordered by severity.

  • 0 Critical
  • 310 High
  • 51 Medium
  • 46 Low

This is a preview of notable findings. Full file-level results, line numbers and code context are in the scan.

View full report

How scores changed across versions

Across 30 audited versions of Async JavaScript, The largest regression was in Security (-11). The codebase grew 847% in size.

Audited 1.16.09.30 → 2.21.08.31 · 30 versions

0 50 100 1.16.09.30 2.17.05.05 2.18.04.23 2.21.08.31

How issues changed across versions

Findings by severity for each audited version, so you can see which issues were fixed over time.

0 365 730 1.16.09.30 2.17.05.05 2.18.04.23 2.21.08.31

Download momentum

How fast this plugin is being installed lately, and whether that pace is rising or slowing.

Last 7 days

422

downloads

Today

76

downloads

Week over week

−2%

vs previous week

Month over month

−10%

vs previous month

Download trend: Declining. Abandonment risk: Abandoned.

Version intelligence

7.3% of installs run an older version

≈ 5.1K+ sites on a lower-scoring version.

  • Other
  • v2.21

Ratings

102 ratings on WordPress.org

  • 5 90
  • 4 4
  • 3 1
  • 2 2
  • 1 5

Maintenance & history

How actively this plugin is kept up, from its last update to its release history.

Last updated

38 mo ago

Jun 22, 2023

Looks abandoned

Release cadence

~ every 18 days

average between releases

Total releases

49

since Dec 2014 · 12 yrs

Contributors & developers

The people credited with building and maintaining this plugin.

Running Async JavaScript in Your Site?

Our latest audit of Async JavaScript v2.21.08.31 flagged 407 issues. Scan your own copy to see each one with its exact file, line number, and a recommended fix.

Async JavaScript and its trademarks are used only to identify the plugin analyzed and remain the property of their owners. This is an independent Plugin Auditor audit, not affiliated with, sponsored by, or endorsed by the plugin's developer. Metadata may come from WordPress.org; scores, findings, classifications, and visualizations are independently generated by Plugin Auditor. Full disclaimer.