WordPress plugin comparison
Is Varnish Working? vs UltraCache
At a glance
- UltraCache has more active installs: 20+, against 10+ for Is Varnish Working?.
- On a typical day, UltraCache is downloaded about 3 times, Is Varnish Working? about 1.
- Is Varnish Working? has no reviews yet.
- UltraCache was updated more recently: Aug 21, 2026, against Jun 29, 2021 for Is Varnish Working?.
- UltraCache is tested with a newer WordPress: 7.1.4, against 5.7.21 for Is Varnish Working?.
- Is Varnish Working? has been around longer: since 2021, against 2026 for UltraCache.
Line by line
UltraCache leads on 5 of 6 comparable lines.
| Metric |  Is Varnish Working? |  UltraCache |
|---|---|---|
| Popular rank | #36,747 | #38,319 |
| Active installs | 10+ | 20+ |
| Downloads, last 30 days | 31 | 69 |
| Rating | No ratings | 5.0(3) |
| Support threads resolved | – | – |
| Tested up to | 5.7.21 | 7.1.4 |
| Search multiplier | ×0.00 | ×0.24 |
| Last release | 5 years ago | 2 months ago |
| Requires PHP | – | 8.1 |
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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