WordPress plugin comparison
Captcha Spam Blocker vs Security Optimizer
At a glance
- Security Optimizer has more active installs: 1M+, against 80+ for Captcha Spam Blocker.
- On a typical day, Security Optimizer is downloaded about 5,898 times, Captcha Spam Blocker about 4.
- Both are rated 4.5 out of 5.
- Security Optimizer was updated more recently: Nov 4, 2026, against Aug 6, 2025 for Captcha Spam Blocker.
- Security Optimizer is tested with a newer WordPress: 7.1.4, against 6.8.12 for Captcha Spam Blocker.
- Security Optimizer has been around longer: since 2021, against 2024 for Captcha Spam Blocker.
Line by line
Security Optimizer leads on 6 of 6 comparable lines.
| Metric |  Captcha Spam Blocker |  Security Optimizer |
|---|---|---|
| Popular rank | #17,792 | #51 |
| Active installs | 80+ | 1M+ |
| Downloads, last 30 days | 90 | 2.6M |
| Rating | 4.5(2) | 4.5(158) |
| Support threads resolved | – | 100% |
| Tested up to | 6.8.12 | 7.1.4 |
| Search multiplier | ×0.16 | ×3.03 |
| Last release | 1 year ago | 5 days ago |
| Requires PHP | 5.4 | 7.0 |
From WordPress.org's public data, refreshed every night. Downloads are WordPress.org's official daily figures for the last 30 days.
Tags they share
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