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SiteGuard WP Plugin vs Captcha Spam Blocker (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
Captcha Spam Blocker

Captcha Spam Blocker

4.5(2)

50 active installs

Free

Updated 8 months ago
View Captcha Spam Blocker

Quick Verdict

As of April 2026, Captcha Spam Blocker has a higher user rating (4.5/5 from 2 reviews) while SiteGuard WP Plugin leads in active installations (600K+ vs 50). Both are free WordPress plugins. SiteGuard WP Plugin has accumulated 5.2M+ total downloads while Captcha Spam Blocker has 951.

Detailed Comparison

Rating
4.3/5SiteGuard WP Plugin
►
Captcha Spam Blocker4.5/5
Total Reviews
15SiteGuard WP Plugin
◄
Captcha Spam Blocker2
Active Installs
600K+SiteGuard WP Plugin
◄
Captcha Spam Blocker50
Total Downloads
5.2M+SiteGuard WP Plugin
◄
Captcha Spam Blocker951
Support Resolution
0%SiteGuard WP Plugin
Captcha Spam BlockerN/A
Last Updated
4 months agoSiteGuard WP Plugin
◄
Captcha Spam Blocker8 months ago
First Released
2014SiteGuard WP Plugin
Captcha Spam Blocker2024
Age
12 yearsSiteGuard WP Plugin
Captcha Spam Blocker2 years
WP Requires
3.9+SiteGuard WP Plugin
Captcha Spam Blocker4.0+
PHP Requires
false+SiteGuard WP Plugin
Captcha Spam Blocker5.4+
Business Model
FreeSiteGuard WP Plugin
Captcha Spam BlockerFree
Latest Version
1.7.9SiteGuard WP Plugin
Captcha Spam Blocker3.0.0

Rating Breakdown

SiteGuard WP Plugin

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

Captcha Spam Blocker

4.5/5(2 reviews)
5
50%
4
50%
3
0%
2
0%
1
0%

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。

Captcha Spam Blocker Reviews

No reviews yet

Frequently Asked Questions

Is SiteGuard WP Plugin or Captcha Spam Blocker more popular?
SiteGuard WP Plugin has 600K+ active installations while Captcha Spam Blocker has 50. SiteGuard WP Plugin is the more widely-used plugin as of April 2026.
Which has better ratings — SiteGuard WP Plugin or Captcha Spam Blocker?
SiteGuard WP Plugin has a 4.3/5 rating from 15 reviews, while Captcha Spam Blocker has a 4.5/5 rating from 2 reviews.
Are SiteGuard WP Plugin and Captcha Spam Blocker free?
SiteGuard WP Plugin is free and Captcha Spam Blocker is free. Both can be downloaded from the WordPress.org plugin directory.
Which plugin has better support — SiteGuard WP Plugin or Captcha Spam Blocker?
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 Captcha Spam Blocker was last updated 8 months ago.

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