A/B split testing for Rails
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README.rdoc

Banana Split

Banana Split is a simple lightweight split testing utility for Rails. It makes it extremely easy to tests different designs on your users:

<%= ab_test :buy_form, :colorful => 'shop/colorful_buy_form', :simplistic => 'shop/simplistic_buy_form' %>

Here, Bananasplit will render the shop/colorful_buy_form partial 50% of the times, and shop/simplistic_buy_form the other 50%. On the immediate action after purchase do like so to complete the goal:

def receipt

ab_goal :buy_form # whatever…

end

The ab_goal takes the value of the goal completion as a second argument - it defaults to 1.

Other examples

<%= submit_tag ab_test(:sign_up_button_text, {
  :standard => { :text => 'Create user' },
  :funky => { :text => 'Come on in!' }
}) %>

<%= submit_tag ab_test(:welcome_message, {
  :simple => { :partial => 'welcome/simple_welcome_message', :locals => { :statistics => @statistics },
  :complex => { :partial => 'welcome/complex_welcome_message', :locals => { :statistics => @statistics }
}) %>

Showing test results

Banana Split currently provides no ways of rendering the split test results but the included models makes it very easy to do so.

Installation

Add banana_split to your Gemfile:

gem 'banana_split'

And run the installer:

rails generate banana_split

… and you're ready to go :)