Why Most WhatsApp Campaigns Underperform
You spend time crafting a broadcast message and send it to 2,000 contacts. 400 click the link. Could it have been 800? Probably — if you had tested two versions and sent the better one to the full list.
A/B testing is standard practice in email marketing but almost no Indian businesses do it for WhatsApp. That's a massive opportunity.
How A/B Testing Works in Watarang
- Create two versions of your broadcast (Version A and Version B)
- Set test size (e.g., 20% of your list each)
- Set evaluation metric: click rate, reply rate, or conversion
- Set wait time (e.g., 2 hours)
- Enable: Watarang sends A to 20%, B to 20%, waits 2 hours, then sends the winner to the remaining 60% automatically
What to Test
Opening line
Version A: "Hi {{name}}, we have a special offer for you!" vs Version B: "Hi {{name}}, limited-time: 20% off this weekend only."
Result: Specific offers almost always outperform vague "special offer" language.
CTA wording
Version A: "Shop now" vs Version B: "Grab my discount →"
Action-oriented CTAs with urgency ("grab", "last 24 hours") consistently outperform generic ones.
Timing
Version A: Sent at 10 AM vs Version B: Sent at 7 PM
Timing varies by business type — test your specific audience.
Media vs text-only
Version A: Text only vs Version B: Product image + text
For product businesses, images usually win. For services, text often wins (feels more personal).
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