We’ve compiled and organized a set of answers to the most commonly-asked questions about Optimizely Classic. In order to make it easier for you to find the answers you're looking for, we've gone ahead and organized these questions by topic:

Click a topic to view its list of questions and answers! 

Or file a support ticket if you don't see the answer on any of these pages.


Looking for the definitive guide to getting up and running with Optimizely? Learn and practice your Optimizely skills and web optimization strategy in Optimizely Academy. Or check out these short videos that explain how to set up an experiment, how to QA your experiment, and how to interpret your results.

Have questions about Optimizely for iOS? We have a separate mobile FAQ for that!

Have a question about Optimizely or website optimization? Head over to the Optimizely Community to post a discussion and see what others are talking about.

Looking to troubleshoot your experiment? Check out this list of common issues.