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

v8.5.7

by Nelio Software · updated 13 days ago

Run A/B tests and heatmaps in WordPress. Optimize pages and WooCommerce products, track conversions, and start free with 500 tested views/month.

a b testingconversion optimizationCROheatmapsplit testing
WordPress.org SaveAnalyze reviews Track this plugin
Rank
#3,308
Up2 vs yesterday
Active installs (est.)
≈ 4,630
4K+ reported · High
Total downloads
453.3K
453,298 all-time
Rating
4.8/5
99 reviews
Support resolved
33%
1 of 3 threads, last 2 months
Growing·Downloads +7.3% (30d)·Toward 5K+ · ETA ~33d

Nelio A/B Testing at a glance

Nelio A/B Testing is a WordPress plugin by Nelio Software with 4K+ active installs, the #3,308 most popular plugin on WordPress.org. On a typical day it’s downloaded about 297 times, 7% more than the month before. It’s rated 4.8 out of 5 from 99 reviews. Version 8.5.7 came out on Oct 26, 2026 and is tested up to WordPress 7.1.4. Among the 31 plugins tagged “conversion optimization”, it ranks #2. It was first released in 2013.

Chart time range

Applies to every chart below. History from Oct 10, 2026, 30 days.

Showing the last 30 days. Full history comes with any paid plan.See plans

Downloads over time

Download stats

11K downloads · the last 30 days

Downloads over time
Nelio A/B Testing Compare series
Downloads over time: 29 days across 1 series.5001KOct 10Oct 15Oct 19Oct 24Oct 29Nov 2Nov 7Oct 29, 2026: Tested up to 7.1.4Oct 27, 2026: New short description · Tags changed
View as table
DateNelio A/B Testing
Nov 7, 2026160
Nov 6, 2026194
Nov 5, 2026310
Nov 4, 2026287
Nov 3, 2026269
Nov 2, 2026327
Nov 1, 2026160
Oct 31, 2026136
Oct 30, 2026306
Oct 29, 2026517
Oct 28, 2026622
Oct 27, 2026982
Oct 26, 20261,170
Oct 25, 2026137
Oct 24, 2026186
Oct 23, 2026369
Oct 22, 20261,190
Oct 21, 20261,127
Oct 20, 2026252
Oct 19, 2026259
Oct 18, 2026112
Oct 17, 2026131
Oct 16, 2026231
Oct 15, 2026257
Oct 14, 2026259
Oct 13, 2026368
Oct 12, 2026341
Oct 11, 2026155
Oct 10, 2026162

Unusual spikes are usually updates, not new installs.

Estimated installs

≈ 4,633 · -2.4% in the last 30 days

Estimated installs
Estimated installs: 13 days across 1 series.4.6K4.7K4.7K4.8KOct 27Oct 29Oct 31Nov 2Nov 5Nov 7Nov 9Oct 29, 2026: Tested up to 7.1.4Oct 27, 2026: New short description · Tags changed
View as table
DateEstimated installs
Nov 9, 20264,633
Nov 8, 20264,605
Nov 7, 20264,665
Nov 5, 20264,655
Nov 4, 20264,720
Nov 3, 20264,673
Nov 2, 20264,645
Nov 1, 20264,638
Oct 31, 20264,660
Oct 30, 20264,716
Oct 29, 20264,679
Oct 28, 20264,759
Oct 27, 20264,746

Rank over time

#3,308 · down 44 in the last 30 days

Popular rank
Popular rank: 15 days across 1 series.#3.3K#3.3K#3.3KOct 16Oct 27Nov 1Nov 5Nov 9Oct 29, 2026: Tested up to 7.1.4Oct 27, 2026: New short description · Tags changed
View as table
DateDaily snapshot
Nov 9, 2026#3,308
Nov 8, 2026#3,310
Nov 7, 2026#3,306
Nov 6, 2026#3,304
Nov 5, 2026#3,314
Nov 4, 2026#3,296
Nov 3, 2026#3,302
Nov 2, 2026#3,300
Nov 1, 2026#3,298
Oct 31, 2026#3,291
Oct 30, 2026#3,281
Oct 29, 2026#3,279
Oct 28, 2026#3,281
Oct 27, 2026#3,279
Oct 16, 2026#3,264

Growth %

Average -0.19% a day in the last 30 days

Growth %, day over day
Growth %, day over day: 12 days across 1 series.-1%0%1%Oct 28Oct 30Nov 1Nov 3Nov 5Nov 7Nov 9
View as table
DateGrowth
Nov 9, 2026+0.61%
Nov 8, 2026-1.29%
Nov 7, 2026+0.11%
Nov 5, 2026-1.38%
Nov 4, 2026+1.01%
Nov 3, 2026+0.60%
Nov 2, 2026+0.15%
Nov 1, 2026-0.47%
Oct 31, 2026-1.19%
Oct 30, 2026+0.79%
Oct 29, 2026-1.68%
Oct 28, 2026+0.27%

Active installs band

4K+ on WordPress.org

Active installs (rounded band)
Active installs (rounded band): 15 days across 1 series.3.8K4K4.2KOct 16Oct 27Nov 1Nov 5Nov 9Oct 29, 2026: Tested up to 7.1.4Oct 27, 2026: New short description · Tags changed
View as table
DateDaily snapshot
Nov 9, 20264K+
Nov 8, 20264K+
Nov 7, 20264K+
Nov 6, 20264K+
Nov 5, 20264K+
Nov 4, 20264K+
Nov 3, 20264K+
Nov 2, 20264K+
Nov 1, 20264K+
Oct 31, 20264K+
Oct 30, 20264K+
Oct 29, 20264K+
Oct 28, 20264K+
Oct 27, 20264K+
Oct 16, 20264K+

Search rankings

Where it appears in WordPress.org search for the searches you track, checked every day.

See where Nelio A/B Testing ranks in search

Track this plugin to check its position for the searches you choose, daily, with an alert when it moves.

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Change log

From our daily snapshot of WordPress.org
  1. Rank #3281 → #3314Downloads +4.3%
    • Tested up to 7.1.3 → 7.1.4
  2. Rank #3264 → #3302Downloads +11.2%
    • New short description

      Run A/B tests and heatmaps in WordPress. Optimize pages and WooCommerce products, track conversions, and start free with 500 tested views/month.

      Before

      A/B Testing, conversion rate optimization, and beautiful Heatmaps with AI Assistance.

    • Tags + split testingmultivariate test
    • Released 8.5.7 (was 8.5.5)

Versions in use

Share of active installs on each published version, from WordPress.org.

  • v8.564%
  • v8.28.3%
  • v8.45.7%
  • v8.35.3%
  • Other17%

Rating trend

4.8★★★★★99 reviews · steady in the last 30 days

Requirements & info

Version history
Version
8.5.7
Requires WordPress
6.7
Tested up to
7.1.4
Requires PHP
7.4
First released
Sep 17, 2013
Last updated
Oct 26, 2026
Releases, last 12 months
…

Questions about Nelio A/B Testing

How many websites use Nelio A/B Testing?

Nelio A/B Testing is active on 4K+ WordPress sites, as WordPress.org reports it. WordPress.org rounds the number down, so the real count is somewhat higher. That makes it the #3,308 most popular plugin on WordPress.org.

How many times has Nelio A/B Testing been downloaded?

453,298 times in total since 2013. On a typical day it’s downloaded about 297 times. See download stats

When was Nelio A/B Testing last updated?

Version 8.5.7 came out on Oct 26, 2026 (1 week ago). See every release

Is Nelio A/B Testing compatible with the latest WordPress?

Yes. It’s tested up to WordPress 7.1.4, the current version.

Does Nelio A/B Testing have known security vulnerabilities?

None that affect the current version. WPVulnerability’s database lists 10 older issues, fixed in earlier versions, so keep Nelio A/B Testing up to date. See its security record

Is Nelio A/B Testing still maintained?

Yes. Its last release was 1 week ago. Its authors resolved 1 of the 3 support threads opened in the last two months.

What rating does Nelio A/B Testing have?

4.8 out of 5 from 99 reviews on WordPress.org. 93% of them give 5 stars.

What are the best alternatives to Nelio A/B Testing?

The plugins most like Nelio A/B Testing, by the tags they share, are CausalFunnel A/B Testing (10+), PageTest.ai (10+) and Sigmize (6K+). Compare all alternatives

Latest reviews

Analyze reviews
All reviews on WordPress.org

Review stats

4.8

★★★★★

99 reviews

  • 5 stars: 92 reviews, 93%
  • 4 stars: 0 reviews, 0%
  • 3 stars: 2 reviews, 2%
  • 2 stars: 1 reviews, 1%
  • 1 stars: 4 reviews, 4%
Positive
93%4–5★
Mixed
2%3★
Critical
5%1–2★
  • About 55 more 5★ reviews would lift it to 4.9.
  • Each new 1★ review takes 16 five-star reviews to balance out.

Compare with competitors

Add up to 1 competitor. No account needed.

Starter · 1 competitor
Nelio A/B Testing
Suggested:
Metric
Nelio A/B Testing
Estimated installs≈ 4,630
Reported installs4K+
Rating4.8
Reviews99
Total downloads453.3K
AuthorNelio Software
First releasedSep 17, 2013
Version8.5.7
Requires WP6.7
Requires PHP7.4
Last updatedOct 26, 2026

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Compare all alternatives

Popular plugins with the same tags, the most in common first.

Side by side:Nelio A/B Testing vs CausalFunnel A/B TestingNelio A/B Testing vs PageTest.aiNelio A/B Testing vs Sigmize

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