E-commerce Store Grew Revenue by 22% With AI: Abandoned Cart Case Study
How a Prague fashion e-commerce store used an AI chatbot and automated emails to recover abandoned carts and increase average order value.
The Situation
A fashion e-commerce store with monthly revenue of 4 million CZK faced two problems:
- Cart abandonment rate: 74% – average for the fashion segment, but still an unnecessary loss
- Average order value was stagnating – customers bought only what they searched for, with no cross-selling
The owner was interested in AI but worried about complex integration with their existing platform (Shoptet).
Implementation in 3 Weeks
Phase 1: AI Chatbot on the Website
We deployed a chatbot that:
- Helps customers with size and style selection
- Displays personalized recommendations based on browsed items
- Answers questions about availability, returns, and shipping
- Captures email in exchange for a 10% discount code when a cart is abandoned
Phase 2: Automated Email Sequence
After cart abandonment, AI triggers a 3-step sequence:
- 1 hour: Reminder with a photo of the abandoned item
- 24 hours: Social proof – "47 other customers viewed this product this week"
- 72 hours: A 10% discount code with a 24-hour countdown
Phase 3: Post-Purchase Upsell
After order completion, the chatbot suggests complementary products relevant to the purchase.
Results After 90 Days
| Metric | Before | After | Change |
|---|---|---|---|
| Cart abandonment rate | 74% | 58% | −16 p.p. |
| Abandoned cart recovery | 3% | 19% | +533% |
| Average order value | 1,240 CZK | 1,580 CZK | +27% |
| Total revenue | 4.0M CZK | 4.88M CZK | +22% |
| AI solution cost | – | 11,000 CZK/mo | – |
Key Lessons
Personalization > discounts. Emails with the customer's name and a photo of the specific abandoned product had 3× higher CTR than generic promo emails.
Timing is everything. An email sent within 1 hour of cart abandonment had a 12% conversion rate. After 24 hours it dropped to 4%.
Chatbot as advisor, not ad. Customers who used the chatbot for sizing advice had a 60% lower return rate.
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