WordPress plugin comparison
Instant Page Load & Caching vs Speed Optimizer
Instant Page Load & Caching
by SACHINRAJ CP
Fewer than 10 installs
Speed Optimizer
by SiteGround
1M+ installs4.2
At a glance
- Speed Optimizer has more active installs: 1M+, against fewer than 10 for Instant Page Load & Caching.
- On a typical day, Speed Optimizer is downloaded about 5,525 times, Instant Page Load & Caching about 1.
- Instant Page Load & Caching has no reviews yet.
- Speed Optimizer was updated more recently: Nov 2, 2026, against Aug 20, 2026 for Instant Page Load & Caching.
- Both are tested up to WordPress 7.1.4.
- Speed Optimizer has been around longer: since 2014, against 2025 for Instant Page Load & Caching.
Line by line
Speed Optimizer leads on 5 of 5 comparable lines.
| Metric | Instant Page Load & Caching | Speed Optimizer |
|---|---|---|
| Popular rank | #72,045 | #44 |
| Active installs | Fewer than 10 | 1M+ |
| Downloads, last 30 days | 34 | 3.5M |
| Rating | No ratings | 4.2(641) |
| Support threads resolved | – | 57% |
| Tested up to | 7.1.4 | 7.1.4 |
| Search multiplier | ×0.05 | ×2.73 |
| Last release | 2 months ago | 8 days ago |
| Requires PHP | 7.4 | 7.0 |
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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