3 ms·That's how I read it: 21% A/B test, of whom 93% use Optimizely.by __derek__ 10y agoThat's how I read it: 21% A/B test, of whom 93% use Optimizely.martin_ 10y agoI agree, that said, I think it's hard to say the 79% _don't_ A/B test. Could easily be homegrown, or round-robin based, or perhaps it was only included on a specific page.__derek__ 10y agoYes, especially given the zeitgeist around A/B testing, that seems unlikely.