WordPress plugin comparison
Client Certificate Authentication vs SSL Zen
Client Certificate Authentication
by MarioLipinski
10+ installs5.0
SSL Zen
by SSL Zen - Free SSL/HTTPS
9K+ installs4.9
At a glance
- SSL Zen has more active installs: 9K+, against 10+ for Client Certificate Authentication.
- On a typical day, SSL Zen is downloaded about 84 times, Client Certificate Authentication about 1.
- Client Certificate Authentication is rated higher: 5.0 out of 5 from 2 reviews, against 4.9 from 665 reviews.
- SSL Zen was updated more recently: Sep 18, 2026, against Jul 17, 2013 for Client Certificate Authentication.
- SSL Zen is tested with a newer WordPress: 7.0.8, against 3.5.2 for Client Certificate Authentication.
- Client Certificate Authentication has been around longer: since 2013, against 2019 for SSL Zen.
Line by line
SSL Zen leads on 6 of 7 comparable lines.
| Metric | Client Certificate Authentication | SSL Zen |
|---|---|---|
| Popular rank | #32,461 | #2,197 |
| Active installs | 10+ | 9K+ |
| Downloads, last 30 days | 34 | 2.1K |
| Rating | 5.0(2) | 4.9(665) |
| Support threads resolved | – | – |
| Tested up to | 3.5.2 | 7.0.8 |
| Search multiplier | ×0.00 | ×0.86 |
| Last release | 13 years ago | 1 month ago |
| Requires PHP | – | 5.6 |
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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