WordPress plugin comparison
Async JavaScript vs Performance Lab
Async JavaScript
by David Clough
60K+ installs4.7
Performance Lab
by WordPress Performance Team
100K+ installs4.3
At a glance
- Performance Lab has more active installs: 100K+, against 60K+ for Async JavaScript.
- On a typical day, Performance Lab is downloaded about 809 times, Async JavaScript about 99.
- Async JavaScript is rated higher: 4.7 out of 5 from 102 reviews, against 4.3 from 51 reviews.
- Performance Lab was updated more recently: Aug 26, 2026, against Jun 22, 2023 for Async JavaScript.
- Performance Lab is tested with a newer WordPress: 7.1.4, against 6.2.15 for Async JavaScript.
- Async JavaScript has been around longer: since 2014, against 2022 for Performance Lab.
Line by line
Performance Lab leads on 6 of 7 comparable lines.
| Metric | Async JavaScript | Performance Lab |
|---|---|---|
| Popular rank | #620 | #306 |
| Active installs | 60K+ | 100K+ |
| Downloads, last 30 days | 2.6K | 20.9K |
| Rating | 4.7(102) | 4.3(51) |
| Support threads resolved | – | 50% |
| Tested up to | 6.2.15 | 7.1.4 |
| Search multiplier | ×0.05 | ×1.25 |
| Last release | 3 years ago | 2 months ago |
| Requires PHP | – | 7.4 |
From WordPress.org's public data, refreshed every night. Downloads are WordPress.org's official daily figures for the last 30 days.
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