Security Optimizer – The All-In-One… vs XO Security (2026)
Detailed side-by-side comparison of two WordPress plugins, based on real-time data from WordPress.org.
Security Optimizer – The All-In-One…
1.0M+ active installs
Free
Quick Verdict
As of April 2026, XO Security has a higher user rating (5/5 from 11 reviews) while Security Optimizer – The All-In-One… leads in active installations (1.0M+ vs 30K+). Both are free WordPress plugins. Security Optimizer – The All-In-One… has accumulated 32M+ total downloads while XO Security has 353K+.
Detailed Comparison
| Metric | Security Optimizer – The All-In-One… | XO Security | |
|---|---|---|---|
| Rating | 4.5/5 | ► | 5/5 |
| Total Reviews | 153 | ◄ | 11 |
| Active Installs | 1.0M+ | ◄ | 30K+ |
| Total Downloads | 32M+ | ◄ | 353K+ |
| Support Resolution | 80% | N/A | |
| Last Updated | 4 days ago | ◄ | 4 months ago |
| First Released | 2021 | 2016 | |
| Age | 5 years | 10 years | |
| WP Requires | 4.7+ | 4.9+ | |
| PHP Requires | 7.0+ | 5.6+ | |
| Business Model | Free | Free | |
| Latest Version | 1.6.0 | 3.10.8 |
Rating Breakdown
Security Optimizer – The All-In-One…
XO Security
Download Trends
Over the past 30 days, Security Optimizer – The All-In-One… averaged approximately 12,307 daily downloads while XO Security averaged 95.
Recent Reviews
Security Optimizer – The All-In-One… Reviews
Good Security Control
Installed it to improve my site security. The interface is simple, and most features work well. Had to tweak a few settings, but nothing complicated. Overall, pretty useful plugin. tnx devs. T
sgs_whitelist_wp_content custom filter doesn’t work
This plugin seems to be designed for SiteGround hosting only. I am using SiteGround, and the plugin works well except for the file whitelisting feature. I applied the sgs_whitelist_wp_content custom f
Horrible. Clashes with everything. Breaches GDPR
This plugin has caused nothing but endless problems. It clashes with Elementor and Papal payment plugins. Of course, all Siteground do is blame the other companies, as if their plugin is perfect. W
XO Security Reviews
Awesome!
This plugin is lightweight and easy to use, so I recommend it.
What a great plugin!
It’s my top recommendation for security plugins on WordPress sites.It includes all the security features I need.
基本的なセキュリティ機能が揃っています
タイトル通りです。AIOS等の定番プラグインと比べると機能は少ないですが、必要最低限の対策が揃っており設定が非常にわかりやすいので使いやすいです。これだけでは不安という人はBBQ Firewallを併用すると良いです。
More Plugins Worth Comparing
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Frequently Asked Questions
Is Security Optimizer – The All-In-One… or XO Security more popular?
Which has better ratings — Security Optimizer – The All-In-One… or XO Security?
Are Security Optimizer – The All-In-One… and XO Security free?
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Plugin data sourced from WordPress.org. Comparison and analysis by PluginSift.