PluginSift

SiteGuard WP Plugin vs Cartpauj Register Captcha (2026)

Detailed side-by-side comparison of two WordPress plugins, based on real-time data from WordPress.org.

SiteGuard WP Plugin

SiteGuard WP Plugin

4.3(15)

600K+ active installs

Free

Updated 4 months ago
View SiteGuard WP Plugin
VS
Cartpauj Register Captcha

Cartpauj Register Captcha

4.2(24)

1.0K+ active installs

Free

Updated 10 months ago
View Cartpauj Register Captcha

Quick Verdict

As of April 2026, SiteGuard WP Plugin has a higher user rating (4.3/5 from 15 reviews) and leads in active installations (600K+ vs 1.0K+). Both are free WordPress plugins. SiteGuard WP Plugin has accumulated 5.2M+ total downloads while Cartpauj Register Captcha has 38K+.

Detailed Comparison

Rating
4.3/5SiteGuard WP Plugin
◄
Cartpauj Register Captcha4.2/5
Total Reviews
15SiteGuard WP Plugin
►
Cartpauj Register Captcha24
Active Installs
600K+SiteGuard WP Plugin
◄
Cartpauj Register Captcha1.0K+
Total Downloads
5.2M+SiteGuard WP Plugin
◄
Cartpauj Register Captcha38K+
Support Resolution
0%SiteGuard WP Plugin
Cartpauj Register CaptchaN/A
Last Updated
4 months agoSiteGuard WP Plugin
◄
Cartpauj Register Captcha10 months ago
First Released
2014SiteGuard WP Plugin
Cartpauj Register Captcha2011
Age
12 yearsSiteGuard WP Plugin
Cartpauj Register Captcha15 years
WP Requires
3.9+SiteGuard WP Plugin
Cartpauj Register Captcha6.0+
PHP Requires
false+SiteGuard WP Plugin
Cartpauj Register Captchafalse+
Business Model
FreeSiteGuard WP Plugin
Cartpauj Register CaptchaFree
Latest Version
1.7.9SiteGuard WP Plugin
Cartpauj Register Captcha2.0.1

Rating Breakdown

SiteGuard WP Plugin

4.3/5(15 reviews)
5
73%
4
0%
3
13%
2
13%
1
0%

Cartpauj Register Captcha

4.2/5(24 reviews)
5
79%
4
0%
3
0%
2
0%
1
21%

Recent Reviews

SiteGuard WP Plugin Reviews

by alexbrowp

Unsafe

When you log out, the session is not closed and you can still go to wp-admin. Also, redirecting wp-admin to the custom login page doesn’t help with security

by wpuserjp202306t

.

.

by Fumiki Takahashi

ログイン保護に利用しています

誰でもユーザーを登録できるサイトを作っているのですが、ログイン保護機能を利用しています。スパムアカウントが減りました。

Cartpauj Register Captcha Reviews

by markrbower

Doesn’t work

I think it used to work, however now it shows the error if you get the captcha wrong, but still registers the user, so it’s useless against spam registrations. I say it used to work, as my site didn’

by dimal

Nice little plugin

Works as expected.

by radeklahoda

to jsem hledal!

spam bot registroval 2500 redaktorů 🙁

Frequently Asked Questions

Is SiteGuard WP Plugin or Cartpauj Register Captcha more popular?
SiteGuard WP Plugin has 600K+ active installations while Cartpauj Register Captcha has 1.0K+. SiteGuard WP Plugin is the more widely-used plugin as of April 2026.
Which has better ratings — SiteGuard WP Plugin or Cartpauj Register Captcha?
SiteGuard WP Plugin has a 4.3/5 rating from 15 reviews, while Cartpauj Register Captcha has a 4.2/5 rating from 24 reviews.
Are SiteGuard WP Plugin and Cartpauj Register Captcha free?
SiteGuard WP Plugin is free and Cartpauj Register Captcha is free. Both can be downloaded from the WordPress.org plugin directory.
Which plugin has better support — SiteGuard WP Plugin or Cartpauj Register Captcha?
Support resolution data is not available for all plugins. Check each plugin's WordPress.org support forum for current response quality.
Which plugin is updated more frequently?
SiteGuard WP Plugin was last updated 4 months ago and Cartpauj Register Captcha was last updated 10 months ago.

Plugin data sourced from WordPress.org. Comparison and analysis by PluginSift.