An A/B test campaign in Zoho Campaigns splits your audience into groups and sends each group a different version of the email, with one variable changed between them. After a defined test period, the winning version (based on your chosen metric) is automatically or manually sent to the remaining subscribers.
Zoho Campaigns supports A/B testing of subject lines, from names, send times, and email content. Test only one variable at a time to isolate what caused the performance difference. Testing multiple variables simultaneously makes it impossible to attribute results to a specific change.
For statistically valid results, your test group should be large enough (typically at least 1,000 recipients per variant) and the test period long enough (at least 4 hours, often 24 hours) to capture representative open and click behaviour. Small lists produce inconclusive test results.
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