What users are saying about


Top Rated
238 Ratings


Top Rated
238 Ratings
Score 7.8 out of 101

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Likelihood to Recommend


Optimizely is a great tool to get you up and running with A/B testing quickly without sacrificing quality. The WYSIWYG editor mode is passable for someone without html and javascript knowledge, but to get the most out of the tool you'll definitely want to have a developer that is fluent in javascript. As of a few months ago Optimizely now offers server side (or full stack) testing in addition to their client side testing. This is an additional feature you have to pay for, but if you have the need and teams to support server side testing it allows you to test a lot of different things you won't get out of client side testing.


  • Their User Interface is so easy to use. You don't have to be a coder to set up a test. It's simply amazing.
  • Their support is by far the best I've ever experienced. They always pick up the phone right away and are so helpful to answer your questions and to also give suggestions on better ways to do your tests.


  • I'm often frustrated with how hard it is to monitor results from my phone. I wish there was a mobile optimized version of the results section. I'm often travelling on the weekends and need to check on our tests via my phone. It can be done, but it's a very sub-optimal experience.
  • I wish I could see the results of all my active tests on a single dashboard. Currently you have to drill into each experiment individually. Since I sometimes have as many as 10-15 experiments running, a good part of my day is spent monitoring a ton of open tabs for each test.
  • Just nitpicking, but it would be nice to be able to reorder your experiment's goals without having to exit editing mode and return to the main projects page.

Likelihood to Renew

Based on 41 answers
We are never done testing and Optimizely has been the best tool for us so far.


Based on 8 answers
Though you don't need to be technically savvy to use Optimizely, it can help. Understanding what a DOM (Document Object Model) is and how the web basically works will help you to create variations and goals much more easily.

Reliability and Availability

Based on 5 answers
Web interface is nearly always available. Javascript snippet (which actually runs the test) is distributed on a CDN for near-constant availability.


Based on 5 answers
Javascript-heavy design means page loads can be slow.


Based on 13 answers
On any questions or issues that we've had the Optimizely support staff has been very quick to help and really knowledgeable. Overall we couldn't be happier with the support we've received from their tech team


Based on 11 answers
It was super straight forward.I am a big fan.

Alternatives Considered

Prior to Optimizely, we used Test & Target (now Adobe, formerly Omniture and before that, Offermatica). Optimizely is better in every way. It's much easier to use (interface), and it's MUCH easier to have tests run since it requires just one code snippet (where T&T often requires separate code for each test, meaning getting development/engineering involved much more often). We are able to run MORE tests and be much more efficient with Optimizely. We always had problems trying to set up true conversion tests with T&T, since we could track click goals but never 'submission' goals. We worked with T&T support/consultants and still could not manage to get tests working like we wanted. With Optimizely this was a snap. The support team is heads and shoulders better than T&T/Adobe - SO very knowledgeable, and very easy and fun/flexible to work with.

Return on Investment

  • Testing has helped us increase conversion rates substantially and Optimizely has made that process a lot easier.

Pricing Details


Free Trial
Free/Freemium Version
Premium Consulting/Integration Services
Entry-level set up fee?
Additional Pricing Details