A/B testing on WordPress: a framework for developers and tutorial

Some months ago, I changed one link in the menu in my website postpaycounter.com. After that, it looked to me more people were purchasing products, i.e. the conversion rate had increased. But how to check whther that was really the case, or if it was just an accident/impression? Use an A/B test, I told myself!

With an A/B test, half of the users are served one version of the page, the one with the old link, and half of them another version of it, the one with the new link in place. When a sale happens, we may then log that as a success for the kind of page that was used, be it the A version or the B one.

In my case, the two versions of the page simply consisted of two different links in the menu, while I wanted the success to be logged when the user purchased something (I use Easy Digital Downloads to handle purchases).

I could find a bunch of plugins that allowed to set up A/B tests, but they all seemed pretty difficult to customize from a developer perspective, and I was already seeing myself wrestling with someone else’s code that provide tons of features useless to me, but through which was nearly impossible to interact with Easy Digital Downloads. So I decided to build my own, simple implementation, with the aim of it being tailored to developers rather than users who needed an interface. 

An A/B test implementation example

This is an example of how to use the little framework. To set up a test, you only need to provide two functions:

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WordPress function url_to_postid not working with Anspress

With the Anspress theme/plugin, using the WordPress native function url_to_postid() on a question permalink returns the page ID of the base page. For example,

would return the page ID of the /questions page.

To get the WP question ID of this-is-the-question, use the following:

(using get_post_types() instead of ‘questions’ allows the call to work even with permalinks of non-question contents.)

bbPress – Anonymous Subscriptions

This add-on plugin for bbPress will allow anonymous users to subscribe to topics and get email notifications when a new reply is posted. The notification email includes an unsubscribe link.

bbPress notifications will keep to go out to registered users, this plugin only extends the thing to anonymous posters as well!

Download (it’s free!)

bbPress - Anonymous Subscriptions

A case example with >100% subscription rate

This is vital for support forums, for example. On Post Pay Counter support forums, I did not want customers to sign-up: I wanted them to be able to request support in a matter of minutes, without any hassle. I liked the idea of “enter your name and email and you’re done!” But I also felt like they needed to be notified when someone replied to help. It was not compulsory, of course, but I would have wanted it as a customer.

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Posts To-Do List: keep track of writing ideas

I worked for several blogs and websites. In most of them, we often felt the need to share hints and ideas about future posts, about what each of us stumbled upon while surfing. Unfortunately, there was not a great way to fulfill that need, and we often told each other via email, or emailed the admin who would in turn forward to all the writers. That is the reason why I wanted to build a WordPress tool that could simplify this sharing process.

That WordPress tool is a plugin and is called Posts To Do List. 

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Post Pay Counter: WordPress payment manager

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Easily calculate and handle authors’ pay on a multi-author blog by computing posts’ remuneration basing on admin defined rules. The administrator can specify criteria upon which payments should be computed and the stats will immediately be viewable. Both a general view with all users and a specific one for a author are possible. It can easily help you implement a revenue sharing/paid to write model for your business.

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