Supercharging e-commerce checkout performance: infrastructure wins that boost conversions
Slow checkout pages kill conversions. We're talking about 15-20% revenue loss when your checkout takes longer than 200ms to respond. That's not just user experience, that's money walking out the door.
After optimizing dozens of checkout flows, I've identified the infrastructure bottlenecks that matter most and the specific fixes that deliver measurable results.
The checkout performance problem
Checkout flows are infrastructure nightmares. They involve complex database joins (user data + inventory + pricing + payment), external payment API calls with unpredictable latency, and session state that breaks if users bounce between servers.
