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THE MOST POWERFUL AND VERSATILE CONVERSION OPTIMIZATION SERVICE FOR WORDPRESS

Nelio A/B Testing helps you run easy and complex tests (A/B tests, Multivariate tests and Split URL tests), combined with powerful and beautiful Heatmaps. With Nelio you can test not only pages but any kind of content including menus, themes, your Woocommerce products, CSS rules, JavaScript, and much more.

MORE INFORMATION | DOCUMENTATION | SUPPORT FORUM

A/B Testing for everyone. Just activate the plugin in your WordPress and discover what Nelio can offer you. The free version makes it extremely easy to run unlimited Heatmaps and A/B tests on low-traffic sites. And if you ever need more, you can purchase a premium plan and get an account to keep improving your WordPress!

10+ Reasons for Choosing Nelio

#1 – ❤️ Fully integrated within your WordPress

There’s no need to learn an external tool. Nelio A/B Testing has been designed to be simple and fast to use without ever leaving WordPress to create, edit or see the progress of your tests.

Our plugin lifts all the processing load from your own server and takes it back to our cloud. This way, A/B tests do not slow down your site or interfere with your hosting provider limits.

#2 – 🙌 Test everything!

You can create all kinds of tests not only for pages but for all the elements of your WordPress:

All your content. Improve your landing pages, write better posts, create alternative pages and custom post types, and start testing headlines.
WooCommerce Products. Test the content of your WooCommerce store. Find out how to improve your products and offers to get more sales.
Global tests beyond content. Try new themes, test different menus, templates or alternative widgets, modify your CSS rules, or create custom JavaScript snippets to change the appearance and behavior of your pages.
Heatmaps, Scrollmaps, and Confetti. Find out what your visitors are doing from different devices as they browse your website. They are a perfect companion of A/B tests, for they give insights on what to test next and help you understand the progress of your tests.

#3 – 🖌️ Compatible with Gutenberg and The Best Page Builders

Nelio A/B Testing not only works perfectly fine with the block editor but you can also create alternative content for your tests with your favorite page builder like Elementor, OptimizePress, SiteOrigin, Beaver Builder, Leadpages, Divi Builder, OptimizePress or Visual Composer.

#4 – 🤑 Conversions are the key to success

Nelio A/B Testing allows you to evaluate one or more conversion goals and, for each of them, track the important actions your visitors take: visiting a page, clicking on an element, visiting an external link, submitting a form (compatible with Contact Form 7, Gravity Forms, Nelio Forms, Ninja Forms, WPForms , Formidable Forms, HubSpot Forms, Elementor forms, and more), watch YouTube videos, adding or purchasing WooCommerce products, or after you’ve programmatically triggered your own custom JavaScript event.

#5 – 📐 Run tests targeted for specific set of visitors

If you’re interested in testing a subset of your visitors, you can do so using Nelio A/B Testing’s segmentation capabilities. Refine the audience you want to understand by defining the characteristics that are relevant for a specific test: country, language, device, referrer, date, time, and more!

#6 – 📈 Easy-to-understand results

Visitors and test results are displayed immediately. All details are very intuitive and provide you with the information you need to know which alternative is working best for you:

Day-to-day information that will help you understand what happens over time.
See at a glance how confident you can be of having found a winning variant.
Compare each variant with the original version.

#7 – 1️⃣One-click winner

Apply the winning version quickly and increase your income right away! Once you know which version is the best, make it your default page as soon as possible. You can do it with a simple click!

#8 – 🛠️ Cache Support and Server Load

One of our priorities is efficiency. The process of A/B testing a site is not necessarily at odds with performance. Nelio A/B Testing implements several mechanisms to reduce the impact of testing your site, such as support for cache systems in WordPress.

#9 – 🪪 Commitment to Data Privacy and Protection

From its very first day, Nelio A/B Testing was designed with the privacy of the end user in mind. From the perspective of your visitors and users, Nelio A/B Testing does not store any user-identifying information and can be integrated with your cookie consent banner and, thus, be fully compliant with the GDPR.

#10 – 🤝 Outstanding Support

We work very hard to offer amazing support to all our customers. If you encounter compatibility issues or you have problems setting the plugin up and running, contact us and we’ll do our best to help you!

#11 – ✨ Premium Plans that Fit Your Needs

Nelio A/B Testing aims to offer a complete A/B testing experience for everybody. Just take a look at our plans and choose the one that better suits your needs.

As Featured On…

If you’re not convinced yet, take a look at what others say about Nelio A/B Testing.

Nelio A/B Testing: Optimize Your WordPress Website to Increase Goal Conversion Rates (wplift.com)
WordPress Native Split Tests with Nelio A/B Testing – Review (WPMayor.com)
Nelio A/B Testing: Conversion Optimization for WordPress Sites (indexwp.com)
WP-ABTesting – Split Testing As A Service (WPTavern.com)

Скриншоттор

Monitor and track the progress of your tests easily. Our results page offers an intuitive user interface that helps you to focus on what really matters.
Create tests quickly and effectively from WordPress. The user interface follows the new design guidelines introduced by Gutenberg.
Nelio A/B Testing supports different types of tests so that you can be more precise with your tests and goals.
The plugin comes with an overview page that shows you all the information you need about your running tests at a glance.
Our service lets you analyse the hottest areas of any page on your site so that you can understand your customers better.
Not only does the plugin include heatmaps, but it also features scrollmaps and confetti maps.

Орнотуу

Nelio A/B Testing can be used for free!

Free users get up to 500 page views per month. If you have a low-traffic website, you’ll be able to run Heatmaps and A/B tests on your WordPress pages easily and effectively.

If your website grows or if you want to run other types of tests, you need to purchase a premium plan. Once you do, we’ll send you an e-mail with your account information.

In order to use the free version of Nelio A/B Testing, install the plugin as described below and accept our Terms and Conditions and Privacy Policy (see the Welcome screenshot).

Installation through the WordPress Dashboard

Login to your WordPress admin.
Click on the plugins tab.
Click the Add New button.
Search for “Nelio AB Testing” or “AB Testing.”
Look for our plugin, click “Install Now” and then “Activate.”
Once the plugin is installed and active, you can either use the plugin for free or configure your Nelio Account.

That’s it! You may now head to the new menu item on the left labeled “Nelio A/B Testing.”

Alternative installation methods

Download this plugin.
Login to your WordPress admin.
Click on the plugins tab.
Click the Add New button.
Click the Upload button.
Click “Install Now” and then “Activate.”
Once the plugin is installed and active, you can either use the plugin for free or configure your Nelio Account.

I successfully installed the plugin. What should I do now?

If you have successfully installed our plugin using one of the aforementioned methods, now it is just time to use it! Take a look at our Getting Started Guide to cover the basics.

FAQ.KG

Why should I use an A/B Testing Solution specifically designed for WordPress?

Smooth learning curve. There is no need to learn yet another tool.
Everything (from the creation of tests to the visualization of the results) is done from the WordPress dashboard you are familiar with, resulting in a well-known, perfectly integrated user interface.
Evolve your WordPress site easily. A native WordPress solution automates and simplifies the evolution of your site. Consider, for example, applying the winner alternative in your site as soon as the results are statistically significant. With a native solution, this is as easy as clicking one single button. With a generic tool, on the other hand, you would have to manually modify the page so that it integrates the changes you created in the (winning) alternative.
Fine-grained testing. The “testing unit” in a generic tool is the web page, since the HTML of the page is the only thing those tools have access to. A native WordPress solution, however, permits you to test any WordPress specific component, such as posts, pages, CSS, themes, child themes, and many more coming!

More questions? Take a look at our site!

We keep an up-to-date Knowledge Base with FAQs, Troubleshooting, compatibility discussions, and more!

Сын-пикирлер

meti.kadriu Январь 21, 2025-ж. 1 reply

Recently I had the opportunity to use the plugin more and more, and I can say that this is one of the best plugins for your A/B testing. Also I had to ask the dev team multiple questions and they didn’t once hesitate to help me with any question or issue I had!Totally Recommend it!

deuker Январь 3, 2025-ж. 1 reply

My company was using this to A/B test our home page. We utilize certain acf-powered fields, which weren’t supported by Nelio out-of-the-box. Nelio worked with us to make sure our needs were met, with timely responses and updates. They got everything working as required, and tests went very smoothly. Definitely would recommend this plugin to others and will use it for future A/B needs.

transcendskincare Ноябрь 29, 2024-ж. 1 reply

Excellent product and support. Highly recommended!

micahodle Ноябрь 27, 2024-ж. 1 reply

Nelio’s software is incredibly intuitive to use and delivers the results we need to keep our clients happy. I cannot express how incredible the Nelio software is for all of our A/B testing needs. We manage a portfolio of clients and use Nelio for all of our A/B testing. It is functional, easy to use and setup and an all around great experience to work with. The support team is quick to respond and incredibly knowledgeable and helpful for when you need them! There is nothing I can throw at them that they can’t handle. If you are wanting the best in class A/B Testing software, look no further. Nelio is the clear winner.

passiontoprofit Октябрь 24, 2024-ж. 1 reply

I’ve been using Nelio’s A/B testing tool for the past few months, and the results have been nothing short of impressive! From day one, the platform was easy to implement and seamlessly integrated into my workflow, allowing me to test critical aspects of my website without any hassle. Thanks to Nelio, I’ve seen a significant increase in revenue, conversion rates, and average order value (AOV). The detailed insights it provides helped me understand what resonates best with my audience and make data-driven decisions that have had a direct impact on my bottom line. What really sets Nelio apart is its user-friendly interface and actionable analytics. Even complex tests – such as split URL and multivariate testing – are straightforward to set up, and I always feel confident in the reliability of the results. If you’re serious about optimizing your website and driving meaningful results, I highly recommend Nelio. It’s been a game-changer for me, and I’m excited to continue refining my site using this powerful tool!

satyamtiwary Октябрь 14, 2024-ж. 1 reply

It is a great tool to perform A/B testing on your WordPress site. Very easy to setup.

Read all 87 reviews

Contributors & Developers

“Nelio AB Testing” is open source software. The following people have contributed to this plugin.

“Nelio AB Testing” has been translated into 8 locales. Thank you to the translators for their contributions.

Translate “Nelio AB Testing” into your language.

Interested in development?

Browse the code, check out the SVN repository, or subscribe to the development log by RSS.

Өзгөртүүлөр

7.3.4 (January 20, 2025)

Fix fatal error on some global experiments.

7.3.3 (January 20, 2025)

Fix tracking on heatmaps tests defined using URL.

7.3.2 (January 14, 2025)

Fix overlay background color to properly hide original content.
Fix CSS property in overlay style to ignore pointer events.

7.3.1 (January 13, 2025)

Load control reviews in alternative products.
Add additional info tab on alternative products if needed.
Fix alternative loading and tracking in URL tests by ignoring trailing slashes.
Fix comment form in alternative post when “Use control ID in variant” setting is disabled.
Fix scope overlap detection to reduce number of false positives.

7.3.0 (December 19, 2024)

Refactor WooCommerce Product tests to support custom page builders.
Enable WooCommerce tests if, and only if, WooCommerce is installed and active.
Advanced data export features.
Add new public function to view loaded alternatives and last seen test.
Add new settings in URL tests to further customize which URLs are tested and when.
Add option to apply winner automatically when test is stopped.
Add option to ask for help when deactivating the plugin because it’s not working.
Add option to load tracking script as an inline script.
Add scope setting to exclude URLs from global tests.
Add test scope to WooCommerce Product tests.
Include tested URLs in URL tests in preload query arg settings.
Show error message if page/post/menu variant could not be created.
Show warning message on test editor if preview is not available.
Refactor settings to load i18n strings when needed and fix an error.
Fix deactivation dialog layout.
Fix disabled status of “Tested Visitors” setting.
Fix helper function to detect queried object ID.
Fix preview button in control variant of URL test.
Fix segment selection in test results screen.
Fix styles in editor to show alternative actions not only on hover, but also when focused.
Fix tracking on page/post/cpt tests with global consistency enabled, so that only tested “page” triggers tracking events.
Fix warning message on CSS alternative editor.
Fix “Show Controls” button in heatmap view to properly toggle sidebar.
Fix “undefined array key ‘id’” warning while saving test.

7.2.4 (December 5, 2024)

Fix fatal error with heatmaps introduced in previous version.

7.2.3 (December 4, 2024)

Fix ACF fields for front pages when editing a front page variant.
Fix alternative prices defined in WooCommerce test on checkout and confirmation pages.
Add compatibility layer with Permalink Manager.
Use front-page.php template when available on variants in front page tests.

7.2.2 (November 14, 2024)

Fix issue with tests that test existing pages against each other. When landing on a variant, if the visitor is supposed to see variant A, she should be redirected to variant A’s URL (but she wasn’t). Now she is.

7.2.1 (October 31, 2024)

Fix WSOD when function is_plugin_active is not found.
Validate compatibility with WordPress 6.7.

7.2.0 (October 30, 2024)

Add new timeline chart to show views and conversions.
Add post/page ID in content searcher.
Add new feature to duplicate variants.
Add new feature to import content from variants in post editor.
Add support for Fluent forms.
Add support for SureCart conversion actions.
Add home URL on tickets created from the plugin.
Tweak overlay styles to auto-hide them if JS fails.
Tweak preview to hide overlay when variant is ready.
Tweak alternative actions in test editor.
Tweak Overview screen to show user-defined goal names in running experiments.
Improve error messages in test editor.
Exclude Meta bots from being tracked when “Exclude bots” is enabled.
Fix Elementor template testing for “Single Post” templates applied to custom post types.
Fix graphic axes.
Fix winner message to show proper variant letter when there’s a winner.

7.1.2 (October 4, 2024)

Add compatibility with FlyingPress.
Fix permission capability checks during auto-start/stop.
Fix infinite redirection loop if tested page has additional query arguments and test is against already existing content.

7.1.1 (September 27, 2024)

Add option to view results via a public URL.
Remove white overlay using body class as safe-guard when overlay styles couldn’t be removed.
Fix alternative loading on Elementor pages.
Fix infinite redirection loop if tested page has additional query arguments.

7.1.0 (September 23, 2024)

Add URL test.
Add !important directives to overlay rules to make sure it shows up.
Add version key in public nab’s session.
Fix checkbox sizes in confetti sidebar.
Fix filter percentage in confetti sidebar.
Fix test’s CSV export to include all variants.
Fix GDPR cookie detection when exact values are used.
Fix WC price testing on variable products.
Fix link to roadmap.
Remove “Test title and content only” checkbox from headline tests (it shouldn’t have been there).
Mark all running experiments as relevant during a JSON request.

7.0.6 (July 23, 2024)

Fix Elementor template tests.
Fix WooCommerce order tracking by hooking into woocommerce_store_api_checkout_order_processed as well.

7.0.5 (July 12, 2024)

Fix default value in php relevancy computation to allow global tests with no scope to run.
Fix conversion tracking in page view and WC/EDD order conversion actions.

7.0.4 (July 11, 2024)

Fix heatmap tracking in public script (heatmaps should have been an array, but they were encoded as objects).
Fix serialization exception when saving test with certain conversion actions.

7.0.2 (July 9, 2024)

Discard unsupported and remote Elementor templates in Template testing.
Enable template selector in variants when type didn’t change and only control template was selected.

7.0.1 (July 2, 2024)

Fix fatal error in array map: relevant heatmaps should have been an array, but it was null.
Fix exception: settings should be used after plugins_loaded.

7.0.0 (June 25, 2024)

Add Yoast filter to prevent nab* query args from being removed if “Remove unregistered URL parameters” is enabled.
Add new filter nab_max_combinations.
Disable conversion events in PHP on staging sites.
Export split testing results as CSV.
Fix confetti colors.
Fix duplicated content in variants created with Thrive Architect.
Fix error in public script where one should check if href attributes in anchor tags are indeed a string.
Fix helper function listify to list all items when list has more than two items.
Fix quota notification emails when quota could not be retrieved.
Fix quota notification emails when site limits are set.
Implement new method to load heatmap data faster.
Load alternative content using cookies instead of JavaScript redirections.
Prevent cookie initialization for most cookies until visitor granted us permission. Only nabAlternative and nabSegmentation can be created.
Remove From and Reply-To directives from notification emails sent by our plugin.
Show “Publish” button in Gutenberg while editing alternative to make Nelio compatible with recent Gutenberg plugin version.

6.6.0 (April 30, 2024)

Add support for WooSubscriptions.
Add new setting to disable price testing in product tests.
Add initial support for new block-based Cart and Checkout pages in WooCommerce.
Track click events using capture to bypass stopPropagation callbacks.
Trigger window message when synching a testing event.
Tweak upgrade dialog to support new Enterprise plans.
Fix page view tracking on WooCommerce experiments when only some parts of a product were visible.
Fix issue during inline tests, where titles where incorrectly wrapped when doing content filter.
Fix compatibility layer with WooCommerce Product Bundles plugin to allow testing of the bundle itself.

6.5.1 (April 11, 2024)

Fix quota meter when quota is over 100%.
Fix product details for Nelio Session Recordings addon.
Show regular Deactivate action when plugin list script is’t properly enqueued.

6.5.0 (April 2, 2024)

Add filters nab_minify_js and nab_minify_css to select whether custom JS and CSS should be minified or not.
Add nab.ready front-end function to run functions when proper variant has been loaded and tracking is enabled.
Add new helper function in JavaScript tests (utils.showContent) to show content without event tracking.
Add new segmentation setting to customize alternative loading and tracking when visitor participates in some/all tests.
Add new segmentation setting to customize when the plugin should compute if a visitor belongs to one or more segments of a test.
Add tracking of Forminator form submissions.
Check if it’s the main loop when filtering the_content.
Disable white overlay when its timeout is set to 0.
Fix compatibility with plugins “WooCommerce Price Based on Country” and “Aelia’s Currency Switcher”.
Fix division by zero error during order tracking.
Fix infinite recursive calls in bulk sale tests.
Fix issue detecting if a product is under bulk product test when multiple tests running.
Fix preview in menu tests.
Fix WooCommerce hooks used to load alternative prices.
Let users explore click elements by CSS, ID, and classname while exploring CSS selectors in click conversion action.
Load alternative content before GDPR cookie has been accepted.
Scroll target element into view while exploring CSS selectors in click conversion action.

6.4.4 (February 27, 2024)

Track WooCommerce’s “add to product” conversion action when done via AJAX.
Fix issue with multisite installations.

6.4.3 (February 26, 2024)

Improve integration with Nelio Session Recordings.
Reset site transient on quota purchase to show actual current quota.
Fix icon sizes in segmentation button.

6.4.2 (February 23, 2024)

Apply the_content filter on page test.

6.4.1 (February 21, 2024)

Fix preview nonce to prevent preview expiration notice.
Fix cookie segmentation rule.
Swap menu when it’s a tested menu (regardless of its being the control version or a variant).
Remove legacy compat file for Yoast SEO.
Add extra attribute into inline script to prevent CloudFlare from loading it asynchronously.
Add segmentation data to Form, WC, and EDD conversion actions.
Require PHP 7.4.

6.4.0 (February 13, 2024)

Integrate Nelio Session Recordings.
Add support for WooCommerce’s HPOS.
Add hook to prevent Perfmatters from delaying tracking script.
Add new action nab_settings_screen_after.
Add new action nab_site_updated.
Add new filter nab_edd_order_value.
Add new filter nab_show_session_recordings_page.
Add new filter nab_tab_settings.
Add new filter nab_wc_order_value.
Add new setting to test existing menus against each other.
Load experiments page after creating free site.
Remove unused REST endpoint.
Replace filter nab_track_order_total with nab_track_wc_order_total and nab_track_edd_order_total.
Replace post title in test using hook arguments only to prevent menus from being incorrectly replaced.
Use letters instead of numbers in all “Variant” labels.
Fix click tracking to allow IDs and classes starting with number.
Fix hook to backup control version of a menu test.
Fix notice when sending email on auto-stop.
Fix results retrieval to properly determine if a test should be auto-stopped.