Nelio A/B Testing – AB Tests and… vs Visual Website Optimizer (2026)
Detailed side-by-side comparison of two WordPress plugins, based on real-time data from WordPress.org.
Nelio A/B Testing – AB Tests and…
5.0K+ active installs
Free
Visual Website Optimizer
5.0K+ active installs
Free
Quick Verdict
As of April 2026, Nelio A/B Testing – AB Tests and… has a higher user rating (4.8/5 from 95 reviews) and leads in active installations (5.0K+ vs 5.0K+). Both are free WordPress plugins. Nelio A/B Testing – AB Tests and… has accumulated 382K+ total downloads while Visual Website Optimizer has 152K+.
Detailed Comparison
| Metric | Nelio A/B Testing – AB Tests and… | Visual Website Optimizer | |
|---|---|---|---|
| Rating | 4.8/5 | ◄ | 3/5 |
| Total Reviews | 95 | ◄ | 6 |
| Active Installs | 5.0K+ | 5.0K+ | |
| Total Downloads | 382K+ | ◄ | 152K+ |
| Support Resolution | N/A | N/A | |
| Last Updated | 1 month ago | ► | 3 days ago |
| First Released | 2013 | 2010 | |
| Age | 13 years | 16 years | |
| WP Requires | 6.7+ | 2.7+ | |
| PHP Requires | 7.4+ | false+ | |
| Business Model | Free | Free | |
| Latest Version | 8.2.8 | 4.13 |
Rating Breakdown
Nelio A/B Testing – AB Tests and…
Visual Website Optimizer
Download Trends
Over the past 30 days, Nelio A/B Testing – AB Tests and… averaged approximately 176 daily downloads while Visual Website Optimizer averaged 173.
Recent Reviews
Nelio A/B Testing – AB Tests and… Reviews
Game changer for CRO
I added Nelio about a month ago. Our wordpress theme made install a bit complicated but Nelio support has been super communicative and helpful every step of the way. I am now able to run several detai
Great A/B Testing Tool for WordPress
I’ve been testing the Nelio A/B Testing plugin and I’m very impressed with the experience. The free version works great and lets you try all the main features with limited traffic — perfect to exp
Absolutely fantastic plugin!
Great plugin with awesome support!
Visual Website Optimizer Reviews
Great Experience
Great Experience working with the latest version of the plugin. Thanks!
Doesn’t work with WP 4.9.10
After activation there is no “Settings” link
Works great
great for AB tetsing. Has heatmaps and clickmaps also
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Frequently Asked Questions
Is Nelio A/B Testing – AB Tests and… or Visual Website Optimizer more popular?
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Are Nelio A/B Testing – AB Tests and… and Visual Website Optimizer free?
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Plugin data sourced from WordPress.org. Comparison and analysis by PluginSift.