WordPress plugin comparison
Rank Math SEO vs Startklar Image Optimizer
Rank Math SEO
by Rank Math SEO
4M+ installs4.8
Startklar Image Optimizer
by WEB-SHOP-HOSTING
10+ installs
At a glance
- Rank Math SEO has more active installs: 4M+, against 10+ for Startklar Image Optimizer.
- On a typical day, Rank Math SEO is downloaded about 41,369 times, Startklar Image Optimizer about 2.
- Startklar Image Optimizer has no reviews yet.
- Rank Math SEO was updated more recently: Nov 10, 2026, against Jun 16, 2022 for Startklar Image Optimizer.
- Rank Math SEO is tested with a newer WordPress: 7.1.4, against 6.0.18 for Startklar Image Optimizer.
- Rank Math SEO has been around longer: since 2018, against 2022 for Startklar Image Optimizer.
Line by line
Rank Math SEO leads on 6 of 6 comparable lines.
| Metric | Rank Math SEO | Startklar Image Optimizer |
|---|---|---|
| Popular rank | #13 | #30,774 |
| Active installs | 4M+ | 10+ |
| Downloads, last 30 days | 2.7M | 36 |
| Rating | 4.8(7.5K) | No ratings |
| Support threads resolved | 90% | – |
| Tested up to | 7.1.4 | 6.0.18 |
| Search multiplier | ×7.05 | ×0.00 |
| Last release | today | 4 years ago |
| Requires PHP | 7.4 | 5.6.20 |
From WordPress.org's public data, refreshed every night. Downloads are WordPress.org's official daily figures for the last 30 days.
Tags they share
More comparisons
Is one of these yours?
Track your plugin against its rivals every day: rank, installs, downloads, ratings and their releases, with alerts when anything moves.
Start free