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Nelio AB Testing

A/B Testing, conversion rate optimization, and beautiful Heatmaps specifically designed for WordPress.


  • Bug fix: viewing the details of a title experiment throwed (sometimes) an exception.


  • Bug fix: alternatives with single quote chars can now be created.
  • Compatibility with Member Access plugin.


  • Improvement: enable and disable from the Settings page a Must Use Plugin to improve performance.
  • Bug fix: heatmaps on Latest Posts page are now working.


  • Bug fix: you can now set up the Shop Page in a WordPress installation as a conversion goal action.


  • Improved Efficiency. Prevent sending information to Nelio backend servers when no quota is available.


  • Quick Fix with Dashboard Cards. Some of you had CSS problems with the cards. They should be fixed, now.
  • Compatibility with Custom Permalinks plugin.


  • New Feature. So far, external goals were only tracked if the user clicked a link whose href was the same as the external goal's URL. Now, this is also extended to form submission (assuming that form's action attribute is the same as the external goal's URL).
  • Quick fix. In the progress of the experiment page, goals created with previous version of the plugin have useful names (instead of "Undefined").


  • Bug fix: Fatal error when no results available.


  • Improvement. Making sure that body remains insivible during experiment load.


  • New User Interface The User Interface in the Dashboard has been redesigned. Experiment creation and edition is easier and faster.
  • Advanced Goal Management You now have full control when it comes to define conversions. All the information you need, when you need it.
  • New Dashboard First version of an A/B Testing dashboard. You now have all relevant information just one click away!
  • Efficiency Improvements We updated the plugin to make it faster and more reliable.


  • Bug fix: pages created with OptimizePress can now be properly duplicated.


  • Bug fix: deprecated use of function 'split' is now fixed.


  • Bug fix related to PHP Strict Warnings.
  • Bug fix with the function is_page_template(x). It now returns the proper value.


  • Bug fix: compatibility with meta options defined by Lotus theme.
  • Bug fix related to PHP Strict Warnings.
  • New feature: you can now select whether external goals should take GET params into account when tracking conversions.


  • Bug fix: AJAX error on windows installations does no longer appear.
  • Improvement: tracking conversions to external goals is now faster and more reliable.
  • Some minor changes and bug fixes for specific installations.


  • Bug fix in experiment creation: if you have many published posts, you can now select among the most recent ones (instead of the alphabetically-ordered first ones).


  • Greedy Algorithm. Do you want to exploit the winning alternative? Now you can! Use a greedy algorithm to increase the chances of your visitors to see the winning alternative of your experiment
  • New Settings Page. Our plugin includes a new Settings page where you can tune a few parameters of the plugin. This are the first steps towards a more customizable plugin!
  • Graphical improvements
  • Minor bug fixes


  • Bug fix: title tag does no longer show a notice on certain installations
  • Bug fix: heatmap tracking script now works for those elements that include the attribute "class", but for which no classes are specified


  • Tested with version 3.9
  • Added "Preview" buttons for the original and goal pages when creating/editing an experiment.
  • Added a "Back" button when viewing Heatmaps, so that the user can now go back and forth between the progress of a experiment and the heatmaps of its alternatives
  • Improved user interface in "the Progress of the experiment" page, making the possible actions visible at all times
  • Improved Heatmap tracking scripts
  • Bug fix: compatibility issues with older versions of IE


  • Bug fix: improvements on the admin interface (SSL support)
  • Bug fix: compatibility issues with JavaScript and IE8
  • Some minor improvements


  • Some minor improvements and bug fixes


  • New Features for Basic Subscriptors! Use professional features from a basic account
  • Improved management of account status


  • New Feature! Title experiments have been improved. Originally, title experiments were a shortcut of page/post experiments, where only titles were changed. Now, however, you test which title gets more visitors into the tested post; i.e. the goal page is the post itself!
  • Some minor improvements


  • Bug fix: Heatmaps work properly with latest Chrome version
  • Some minor improvements


  • Bug fix: you can now see the Heatmaps of the alternatives of a page/post split testing experiment


  • Bug fix: CSS experiments in the "Latest Posts" page are now working
  • Improved Heatmap tracking algorithm


  • Bug fix: Heatmap tracking of "Latest Posts" page is now working


  • Bug fix: AJAX-related error when starting a Heatmap experiment


  • Some minor tweaks


  • New Feature! Heatmaps and Clickmaps of your customers
  • New Feature! A/B Test CSS modifications
  • Improved Settings page (account and registered sites management)
  • Translated to Spanish
  • Some minor tweaks


  • Bug fix: when creating theme experiments, the widgets of each theme are properly loaded


  • Bug fix: you can now create theme experiments with child themes


  • Bug fix: fatal error on Windows machines


  • UI Improvement: list of experiments is now sortable
  • Bug fix: when starting an experiment with multiple goals, the error "Too few parameters" does no longer appear


  • Quota Management: you can now increase the available quota from within the plugin!


  • Buf fix: compatibility issuse with JetPack and IE10 are now fixed


  • Compatibility with WordPress 3.8
  • Alternative pages/post are no longer visible when disabling the plugin
  • Some other minor tweaks


  • Improved quality for all graphical assets
  • The "Feedback" page has been changed to a "Share & Comment" page
  • Bug fix: endless loading loop when viewing the progress of some experiments
  • Some minor tweaks


  • Bug fix: compatibility with the WordPress hosting service "WPonFire"
  • Some minor tweaks


  • New Feature! Improved view for the progress/results of an experiment. When setting more than one goal, you can now see the aggregated conversion rate for all goals or the conversion rates for each goal
  • New Feature! Simplified UI for testing only changes in the title of a page/post


  • Bug fix: version 1.4 was not properly uploaded in the WordPress repository


  • New Feature! you can now set an external webpage as the goal of an experiment
  • New Feature! you can now count as a conversion an indirect navigation to the experiment
  • Now compatible with OptimizePress!
  • Now compatible with JetPack!
  • Some minor tweaks


  • Bug fix: alternative pages or posts created using the "empty alternative" option can be edited


  • Bug fix: the definition of Goal Pages (or Posts) for theme experiments works properly

  • New Feature! You can now set more than one page or post as the goal


  • New Feature! You can now set more than one page or post as the goal of an experiment!
  • Improved progress of the experiment page
  • Major bug fix: WSOD for PHP versions < 5.3 (because of calling a static method using a variable; error T_PAAMAYIM_NEKUDOTAYIM)
  • Some minor fixes


  • Bug fix: stopping an experiment from the progress page is now working
  • Bug fix: overriding a theme alternative with another one from the progress page of an experiment is now working


  • New Feature! You can now test different worpdress themes!
  • Improved page for listing experiments. On the one hand, each experiment has an icon to quickly identify its type. On the other hand, statuses are now colorized.
  • Improved metadata management when applying the winning page/post alternative
  • Some minor fixes


  • Bug fix: when querying the permalink of an alternative, the original's permalink is returned instead (important, for instance, for social sharing plugins)


  • Bug fix: removing all PHP warnings and notices


  • Bug fix: no more callings to the undefined method DateTime::setTimestamp() for PHP < 5.3


  • Page for selecting new experiment has been redesigned
  • Settings page has been redesigned
  • Improved sites management
  • Some internal improvements


  • Improved plugin stability
  • Bug fix: experiments without a goal or alternatives cannot be started
  • Bug fix: JS scripts are properly loaded in IE


  • Bug fix: view results page does not freeze when no results are available


  • Stability improvements
  • Bug fix: comment count for alternatives is OK


  • Bug fix: showing the winner of an experiment quickly


  • "Progress of the Experiment" page has been redesigned and improved
  • Bug fix: alternative posts do no longer appear in the list of posts
  • Bug fix: when creating an a/b or multivariate test for posts, we can now select any post (not only the last five)
  • Bug fix: distributing users to different alternatives does no longer fail


  • New feature: experiments can now set either a Page or a Post as its goal


  • Bug fix: add media is working again
  • Bug fix: renaming an alternative does no longer remove it


  • New feature: creation of A/B tests for posts too (originally, only for pages).
  • Some minor bug fixes


  • Bug fix: the warning "headers already sent by" does no longer appear


  • Bug fix: assets are properly loaded from the plugin


  • Bug fix: titles are no longer wrapped using SPAN tags. We now use a jQuery replaceText function


  • Bug fix: no more redirections using PHP's "header" function


  • Bug fix: statistical info is now working (Strings are properly shown)


  • A few code tweaks

1.0.0 (beta)

  • First release of our beta
  • Permits the creation of Alternative Experiments for WordPress pages
  • Includes a feedback form

Requires: 3.3 or higher
Compatible up to: 3.9.2
Last Updated: 2014-8-25
Downloads: 3,998


4 stars
4 out of 5 stars


2 of 2 support threads in the last two months have been resolved.

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