When to invest in user experience

User experience (the entire journey customers go through with your digital product) is not something to invest in just once, nor is it something that needs deep investment from day one. The real question is: is it time now? Answering this question incorrectly in either direction can be costly: investing too early means refining something no one is using, while investing too late allows damage to accumulate silently every day.

Three stages, three different investment levels

Sinh Vũ observes that most businesses are in one of three situations:

Factors that determine the level of investment

• Price sensitivity and trust: In finance, healthcare, scheduling, and payment, each interface error is much more costly than in industries with lower price points. The higher the risk of each misstep, the more worthwhile it is to invest in the experience early.
• Traffic scale: the same small error affects a thousand people, resulting in a thousand times the damage compared to ten people. High traffic is the main reason to increase investment.
• Signals from customer behavior: Where clients drop off, what they call back to ask, and where they frequently make mistakes are more specific indicators than any assumptions made from behind a desk.
• Organizational maturity in experience: The Nielsen Norman Group describes six levels of UX maturity. If no one on the team specializes in this area, invest in processes and people before investing in tools or complex features.

Common errors when deciding to invest

• Refining the interface when the original problem has no users, not because the interface is bad. This is the most costly and common mistake Sinh Vũ encounters.
• Investing deeply in a stage with few visitors, neglecting the bottleneck on the main path of the customer journey.
• Seeing the experience as a one-time task during product setup, without measuring and improving after real users engage.
• Waiting until customers complain en masse before making corrections. By then, the cost of adjustments is higher, and some customers may not return.

A useful benchmark

IDEO proposes three lenses for evaluating any design decision: desirability for customers, feasibility in terms of technology, and viability in business. Investing in experience is investing in the desirability lens. If a product is not technically feasible or lacks business rationale, improving desirability will not save the overall outcome.

Human-centered design is worth serious investment when the system is complex enough for users to get lost, and when you have a true understanding of the users, the tasks they need to accomplish, and the context they are in.

Interpretation according to ISO 9241-210:2019, applied in practice by Sinh Vũ

The viewpoint of Sinh Vũ

Sinh Vũ sees digital experience as a tool to lead customers to action, not decoration. Before discussing any adjustments, Sinh Vũ asks directly: is this solving your problem of acquiring or retaining customers? If the answer is unclear, the next step is not to redesign the interface but to find that answer first.

Once you have real user data, Sinh Vũ prioritizes removing the most significant bottlenecks on the main customer journey. Doing less but more effectively is often better than doing more but spreading thin. And to be clear: Sinh Vũ is a design service provider, so the advice on when to invest comes from a professional perspective. For large budget decisions, you should also compare with your actual needs and independent sources.