Southeast Asia is not a monolith. What works in Singapore may not work in Kuala Lumpur, and what works there may miss the mark in Jakarta. Here are some lessons from building products in this region.
Mobile-First is Non-Negotiable
A large portion of users in Malaysia, Indonesia, and the Philippines access the web primarily via smartphone β often on mid-range Android devices with slower connections. If your product isn’t fast and functional on a 3G network with a 4-year-old phone, you’re losing users.
Practical implications:
- Keep your initial page payload small
- Lazy-load images
- Avoid heavy JavaScript frameworks where simpler solutions work
Language Diversity
Malaysia alone has Malay, English, Mandarin, and Tamil as everyday languages. Many users will switch languages mid-session. Design your data model and UI to handle this gracefully from the start β retrofitting multilingual support is painful.
Payment Methods Vary
Credit card penetration varies widely. In Malaysia, online banking (FPX) is dominant. In Indonesia, e-wallets like GoPay and OVO are critical. Building in one payment method and assuming it covers your market is a common mistake.
Trust Signals Matter More
In markets where scams are common, users are appropriately skeptical. Business registration numbers, physical addresses, and clear refund policies have a measurable effect on conversion rates.
Building for SEA is challenging but rewarding. The region is large, growing, and underserved by products built with only Western assumptions in mind.