WordPress plugin comparison
Akismet Anti-spam vs Seriously Simple Spam Blocker
Akismet Anti-spam
by Automattic
5M+ installs4.7
Seriously Simple Spam Blocker
by Garth Mortensen
10+ installs2.5
At a glance
- Akismet Anti-spam has more active installs: 5M+, against 10+ for Seriously Simple Spam Blocker.
- On a typical day, Akismet Anti-spam is downloaded about 38,842 times, Seriously Simple Spam Blocker about 6.
- Akismet Anti-spam is rated higher: 4.7 out of 5 from 1,187 reviews, against 2.5 from 4 reviews.
- Akismet Anti-spam was updated more recently: Aug 18, 2026, against May 11, 2016 for Seriously Simple Spam Blocker.
- Akismet Anti-spam is tested with a newer WordPress: 7.1.4, against 4.5.33 for Seriously Simple Spam Blocker.
- Akismet Anti-spam has been around longer: since 2005, against 2012 for Seriously Simple Spam Blocker.
Line by line
Akismet Anti-spam leads on 7 of 7 comparable lines.
| Metric | Akismet Anti-spam | Seriously Simple Spam Blocker |
|---|---|---|
| Popular rank | #8 | #29,900 |
| Active installs | 5M+ | 10+ |
| Downloads, last 30 days | 1.2M | 144 |
| Rating | 4.7(1.2K) | 2.5(4) |
| Support threads resolved | 0% | – |
| Tested up to | 7.1.4 | 4.5.33 |
| Search multiplier | ×2.05 | ×0.00 |
| Last release | 2 months ago | 10 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
- Seriously Simple Spam Blocker vs Spectra Legacy
- Seriously Simple Spam Blocker vs Security Optimizer
- Seriously Simple Spam Blocker vs Limit Login Attempts Security
- Seriously Simple Spam Blocker vs Kadence Security
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