Powerful, AI-Enhanced A/B Testing Plugin for WordPress

Unlock better test results faster.
Nelio A/B Testing uses AI to analyze your content and user behavior and suggest high-impact experiments. Stop guessing and start optimizing!

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Advantages of Nelio A/B Testing

Easy A/B Testing

Subscription plans for personal sites, business owners, or web agencies.

AI Suggested Test

Let Nelio AI recommend tests and know what’s worth testing next.

Zero Technical Knowledge

Not good at math? No coding skills? Don’t worry. Nelio takes care of everything.

More Than Just A/B Testing

Test everything: pages, posts, products, custom types, headlines, widgets, themes, menus, heatmaps, and more.

Fully Automated

Automatically update your WordPress site to reflect the winning alternative.

Never Leave WordPress

Do everything from the WP dashboard. No need to use external tools.

We are a WordPress VIP Technology Partner

WordPress VIP has carefully examined Nelio’s A/B Testing technology for performance, security, scalability and ease of use.

Smarter A/B Testing
with Nelio AI

Don’t know what to test? No problem.
Nelio AI scans your website and suggests test ideas tailored to your goals. Whether it’s a new headline, CTA text, or image layout, you’ll get data-informed recommendations—ready to launch in just a few clicks.

✅ AI-curated test ideas
✅ Faster test setup
✅ Focus on what matters most

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What Our Customers Say About Nelio A/B Testing

Excellent Testing Tool

This service has a plugin and has the advantage of allowing you to natively A/B test on your site. It offers heatmaps, too. It’s a simple interface and works really well. It’s definitely recommended.

Robin Cooke

Soap Media

Amazing Nelio A/B Testing

It’s pretty amazing that the Nelio A/B Testing team provides options for testing headlines, widgets, pages, posts, and themes, since most of the time you just see heatmaps and A/B tests for pages and posts. To me, this is why Nelio is worth the money.

Brenda Barron

WPKUBE

Great plug-in – Great support

Multiple options for A/B-testing. Works great and intuitive. Support is lightening fast and very, very helpful.
10 out of 5 stars ;).

Mick Kitzen

Dexo Media

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Get Real Data on What Your Visitors Like

Nelio A/B Testing for WordPress in 2 Minutes

What is A/B Testing and Why is it important for your WordPress site?

By combining A/B tests made with Nelio, we doubled the revenue of webshops in just 12 months. I would recommend Nelio A/B testing to anyone with a WordPress site who wants to start A/B testing. It is definitely the best A/B testing plugin with the best price/quality for WordPress and WooCommerce.