Nelio A/B Testing – AB Tests and Heatmaps for Better Conversion Optimization

How well this listing is tuned to rank in WordPress.org search, on the factors an owner controls. Not popularity, optimization.

Directory rank vs rivals

wp.org popularity rank over time · higher is better · when a rival's line climbs above yours, they've overtaken you

How often this plugin actually ships. A steady rhythm is the maintenance signal a single "last updated" date can't show.

Share of active installs on each version of this plugin. Green is the current release; a big slice on older versions is a user base that has stopped updating.

Refined from the date this plugin crossed into its current band.

No paid tier is visible, so we don't put a figure on revenue or sale value: that would be guessing. The install base is a real asset to an acquirer, just not one public data lets us price. A small install base leaves thin data to model from.

Recent releases and news for this plugin

1. — Version 8.5.0 Add filter nab_can_{$experiment_type}_be_started to check if a test can be started. Add filter nab_get_testable_custom_post_types to customize testable custom post types. Allow restricting page view tracking to subset of 8.5.0
2. — Version 8.4.1 Make excluded IPs available to everyone. Track experiment status in Nelio’s cloud. 8.4.1
3. — Version 8.4.0 Add compatibility with WordPress 7.0. Add new option in WooCommerce Goals to track total order value instead of tested product revenue only. Add support for custom traffic allocation across variants. Add support for reor 8.4.0
4. — Version 8.3.5 Fix template selection in template tests. 8.3.5
5. — Version 8.3.4 Fix encoding bug in external script setting preventing other settings from loading. 8.3.4
6. — Version 8.3.3 Fix alternative content sanitization in CSS and Text tests. 8.3.3

8 disclosed vulnerabilities on record for this plugin, all fixed in the current version. Sites on older versions stay exposed until they update.

1. High · 7.2 Nelio A/B Testing – AB Tests and Heatmaps for Better Conversion Optimization <= 8.2.7 - Authenticated (Editor+) Remote Code Execution ↗
   2026-03-23 CVE-2026-32573 Improper Control of Generation of Code ('Code Injection') Affects <= 8.2.7 Patched in 8.2.8
2. Medium · 5.3 Nelio AB Testing <= 8.2.8 - Unauthenticated Information Exposure ↗
   2026-03-17 CVE-2026-40742 Exposure of Sensitive Information to an Unauthorized Actor Affects <= 8.2.8 Patched in 8.3.0
3. Medium · 4.9 Nelio AB Testing <= 8.2.4 - Authenticated (Editor+) SQL Injection ↗
   2026-02-19 CVE-2026-25378 Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') Affects <= 8.2.4 Patched in 8.2.5
4. High · 7.2 Nelio AB Testing <= 8.1.8 - Authenticated (Editor+) Remote Code Execution ↗
   2026-01-20 CVE-2025-67944 Improper Control of Generation of Code ('Code Injection') Affects <= 8.1.8 Patched in 8.2.0
5. High · 8.8 Nelio AB Testing < 4.6.4 - Cross-Site Request Forgery ↗
   2017-05-11 CVE-2017-18547 Cross-Site Request Forgery (CSRF) Affects < 4.6.4 Patched in 4.6.4
6. High · 7.2 Nelio AB Testing < 4.5.11 - Server-Side Request Forgery ↗
   2016-12-29 CVE-2016-10927 Server-Side Request Forgery (SSRF) Affects < 4.5.11 Patched in 4.5.11
7. High · 8.3 Nelio AB Testing < 4.5.9 - Server Side Request Forgery ↗
   2016-12-08 CVE-2016-10926 Server-Side Request Forgery (SSRF) Affects <= 4.5.8 Patched in 4.5.9
8. Medium · 6.5 Nelio AB Testing < 4.5.0 - Directory Traversal ↗
   2016-05-10 CVE-2016-10977 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') Affects <= 4.4.4 Patched in 4.5.0

Automated install-time checks, tested on PHP 8.1.12 · WP 7.0

Translated into 10 languages, 3 at 90% or more

Growth timeline

Install-tier crossings we have observed, and how long each tier took to outgrow

1. 2026-07-24 5K+ → 4K+ down after 2 days in tier
2. 2026-07-22 4K+ → 5K+ up after 3 days in tier
3. 2026-07-19 5K+ → 4K+ down after 42 days in tier
4. 2026-06-07 4K+ → 5K+ up after 1 days in tier
5. 2026-06-06 5K+ → 4K+ down after 4 days in tier
6. 2026-06-02 4K+ → 5K+ up after 1 days in tier
7. 2026-06-01 5K+ → 4K+ down after 1 days in tier
8. 2026-05-31 4K+ → 5K+ up after 12 days in tier

Competes with

The plugins that solve the same job, ranked by shared tags then reach, closest match first. The letter on the right is each plugin's health grade (A best, F worst).

• CausalFunnel – Conversion Rate Optimization Tool (Heatmap, User Journey, A/B Testing) 10+ installs · 4.1★ · 3 shared tags B
• Unbounce Landing Pages 10K+ installs · 3.6★ · 2 shared tags C
• PageTest.ai – AI-Powered A/B and Multivariate Testing for WordPress 20+ installs · 4.0★ · 2 shared tags C
• Landing Lion Landing Pages 10+ installs · 3.6★ · 2 shared tags D
• Aurora Heatmap 20K+ installs · 4.2★ · 1 shared tag C
• If-So Dynamic Content – Elementor & All Page Builders Personalization 7K+ installs · 4.6★ · 1 shared tag A

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Drop a live Pulse card for Nelio A/B Testing – AB Tests and Heatmaps for Better Conversion Optimization into a readme, a review or a deck. It updates itself.

Nelio A/B Testing – AB Tests and Heatmaps for Better Conversion Optimization: 4K+ active installs, 4.8★ (97 reviews). Plugin Pulse (WP Mayor), as of 2026-08-29. https://plugins.wpmayor.com/plugin/nelio-ab-testing