Optimizely is a dramatically easier way for you to improve your website through A/B testing. Create an experiment in minutes with our easy-to-use visual interface with absolutely no coding or engineering required. Convert your website visitors into customers and earn more revenue today!

This plugin helps you configure your WordPress website to use Optimizely. After setting up an account at Optimizely.com, you simply enter your Optimizely project code in the plugin’s configuration page and you’re ready to start improving your website using Optimizely. Built for testing headlines, this plugin allows you to, create new experiments, see your experiment results, launch winners and much more all without leaving WordPress.

You’ll need an Optimizely.com account to use it.


  • Create multiple headlines for each post
  • View your results and launch winners directly from the dashboard


Sign up at Optimizely.com.

  1. Upload the Optimizely WordPress plugin to your blog
  2. Activate the plugin through the Optimizely menu in WordPress
  3. Enter your Optimizely API token in the plugin’s settings page, choose a project to use, then save.

You’re ready to start using Optimizely!


Still bugs in 3.71

Hi There,

Conflicts with your plugin are breaking my Formidable Forms plugin.

Conflicts like this can usually be fixed by contacting the author of the plugin/theme causing trouble and ask them to only load their scripts and styles on their own pages instead of across all pages in the admin area.

This seems to be the problem!

Supports all Optimizely features!

I’m loving the new version of the plug-in which supports Optimizely’s latest stats engine results endpoint as well as conditional activation. I can run tests on my Infinite scrolling site with ease now!

Super Fast Headling Testing

This plugin works way more quickly than running headline tests through Optimizely directly and allows me to launch a headline straight from within WordPress. Saves me a ton of time on headline testing when time is of the essence

Read all 6 reviews

Contributors & Developers

“Optimizely” is open source software. The following people have contributed to this plugin.