
Indigo Workwear: Multi-Market cart Powered by cartx
Indigo Workwear is a leading supplier of workwear apparel across Australia and New Zealand. With a strong presence in both regions, the brand needed a cart experience that was not only fast and reliable but also flexible enough to support localized offers, currencies, and dynamic upsell opportunities.




Problem Statement
The default Shopify cart could not keep up with Indigo's business needs:
- No support for localized pricing or market-specific offers.
- Limited upsell capabilities, restricting advanced promotion strategies.
- Slower cart performance under high traffic, leading to friction in conversions and order values.
Solution: cartx by devx
Indigo Workwear partnered with devx to implement cartx, a high-performance cart engine
01
Lightning-fast Performance
- cartx loads with a single lightweight script instead of multiple files.
- Predictive cart value calculation for near-instant updates.
- Minimal payload calls reduce server strain.
- Progressive loading ensures no partial or glitchy updates.
- Result: 40% faster cart interactions compared to the native Shopify cart.
02
Multi-Market Cart Support
- Cart configurable for Australia and New Zealand with independent settings.
- Automatic currency switch (AUD/NZD) with domain mapping.
- Region-specific promotions and offers for localized experiences.
03
Collection-Based Upsells
- When certain items are added, cartx triggers related upsell collections.
- Flexible discount logic like percentage off or fixed discount.
- Discount logic managed in Shopify and surfaced in cartx.
04
Choice-Based Upsells
- Customers are shown a curated list of complementary items when adding specific products.
- Ability to choose one item from the list at a discounted rate.
05
Standard cartx Features Integrated
- Announcement bar for time-sensitive campaigns.
- Milestone progress bar to incentivize larger carts.
- Variant selection directly inside the cart.
- Coupon code application with instant validation.
- Real-time savings display for transparency and trust.


Impact
40% faster cart loads
12% increase in AOV
15% improvement in add-to-checkout conversions
Client PoC
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