Which tool is used to A and B testing?
Google Optimize is a free A/B testing tool from Google that allows brands to test different variations of their webpages to measure their performance against any goals the user specifies.
Where you can use a B tests on things other than web pages?
10) Can you run A/B tests on things other than web pages? Yes! In addition to landing pages and webpages, many marketers run A/B tests on emails, PPC campaigns, and calls-to-action. Email: Email testing variables include the subject line, personalization features, and sender name, among others.