Here is a list of the most recent updates to AB Press Optimizer. We’re improving the software with updates, improvements and new features. If you have a feature request or suggestion please Contact Us.

v2.1.0 (January 11, 2018)

  • Now you can create and test variations of full pages and posts!

v2.0.1 (October 14, 2016)

  • Added support for more hosting platforms with caching: WP Engine.
  • Added support for more caching plugins: W3 Total Cache.
  • Fixed an issue related to paging experiments.
  • Added support for using Unicode characters in variation names.

v2.0.0 (September 7, 2016)

  • 4x-5x performance improvements when running experiments.
  • Improved cache support, cookie-based key support added for advanced caches like Varnish.
  • Rewritten experiment engine to accommodate new experiment types coming in future releases.
  • Fixed issues related to the “Click event” experiment type.


  • Added option to adjust session expiration time. This helps reduce database load on high traffic websites.
  • Default session expiry time lowered from 45 to 30 days.


  • Fixed bug with title experiment session objects.
  • Added support for demo mode.
  • Made it easier to see variation values on experiment details page (just click the variation name)


  • Fixed a bug with new Title Experiments feature on older versions of WordPress (3.0 – 3.3)


  • New Feature: Title experiments! You can now test post & page titles.
  • Updated documentation to include notes about the new Post Title experiment type.


  • New Feature: Load via JavaScript. This adds support for websites that use heavy caching or caching plugins.
  • Rebuilt the way variations are created to be more obvious and less error prone.
  • Bugfix: Images are no longer deleted when creating/editing variations in a certain order.
  • Greatly simplified the code for outputting variation content.
  • Integrated WP_Session to manage session data properly. This removes the old cookie approach which did not work on cached websites.
  • Bugfix: More complex HTML can now be part of variations without breaking or missing tags/attributes.
  • More comprehensive checking of user-agents added.
  • New experiment tour updated to reflect page redesign.


  • Complete refactor of code to allow more improved future updates.
  • Extra statistics are now stored about visitors viewing your tests.
  • New feature: Detailed Statistics. Various new charts detailing visitors and conversion data about your experiments.
  • Added delete experiment confirmation dialog.
  • Various UI tweaks and improvements.
  • Added documentation about new statistics feature.
  • Bugfix: Changing experiment status now works as expected.


  • Added new documentation
  • Added contextual help
  • Added step by step tour guide on new experiment page
  • More documentation and usability updates to come soon!


For older changes, please contact support and we’ll be happy to give you more information.