WordPress plugin comparison
Performance Lab vs Specify a Vary
Performance Lab
by WordPress Performance Team
100K+ installs4.3
Specify a Vary
by lithiumsixteen
200+ installs4.0
At a glance
- Performance Lab has more active installs: 100K+, against 200+ for Specify a Vary.
- On a typical day, Performance Lab is downloaded about 809 times, Specify a Vary about 4.
- Performance Lab is rated higher: 4.3 out of 5 from 51 reviews, against 4.0 from 4 reviews.
- Performance Lab was updated more recently: Aug 26, 2026, against Apr 13, 2018 for Specify a Vary.
- Performance Lab is tested with a newer WordPress: 7.1.4, against 4.9.35 for Specify a Vary.
- Specify a Vary has been around longer: since 2018, against 2022 for Performance Lab.
Line by line
Performance Lab leads on 7 of 7 comparable lines.
| Metric | Performance Lab | Specify a Vary |
|---|---|---|
| Popular rank | #305 | #12,906 |
| Active installs | 100K+ | 200+ |
| Downloads, last 30 days | 20.6K | 95 |
| Rating | 4.3(51) | 4.0(4) |
| Support threads resolved | 50% | – |
| Tested up to | 7.1.4 | 4.9.35 |
| Search multiplier | ×1.25 | ×0.00 |
| Last release | 2 months ago | 8 years ago |
| Requires PHP | 7.4 | 5.2 |
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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