WordPress plugin comparison
Akismet Anti-spam vs Referer Spam Blocker
At a glance
- Akismet Anti-spam has more active installs: 5M+, against 60+ for Referer Spam Blocker.
- On a typical day, Akismet Anti-spam is downloaded about 40,362 times, Referer Spam Blocker about 4.
- Akismet Anti-spam is rated higher: 4.7 out of 5 from 1,187 reviews, against 3.0 from 2 reviews.
- Akismet Anti-spam was updated more recently: Aug 18, 2026, against Jul 31, 2023 for Referer Spam Blocker.
- Akismet Anti-spam has been around longer: since 2005, against 2015 for Referer Spam Blocker.
Line by line
Akismet Anti-spam leads on 6 of 6 comparable lines.
| Metric |  Akismet Anti-spam |  Referer Spam Blocker |
|---|---|---|
| Popular rank | #8 | #19,601 |
| Active installs | 5M+ | 60+ |
| Downloads, last 30 days | 1.2M | 63 |
| Rating | 4.7(1.2K) | 3.0(2) |
| Support threads resolved | 0% | – |
| Tested up to | 7.1.4 | – |
| Search multiplier | ×2.05 | ×0.00 |
| Last release | 2 months ago | 3 years ago |
| Requires PHP | 7.2 | – |
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
- Akismet Anti-spam vs Anti-Spam, Spam FireWall by CleanTalk
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- Akismet Anti-spam vs Spam Protection
- Akismet Anti-spam vs ActiveLayer Anti-Spam
- Referer Spam Blocker vs Spectra Legacy
- Referer Spam Blocker vs Layout Grid Block
- Referer Spam Blocker vs Anti-Spam, Spam FireWall by CleanTalk
- Referer Spam Blocker vs Gravity Forms Zero Spam
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