performanceVercel
Network Latency Budgets
MUST
MUST: Mutations (`POST/PATCH/DELETE`) target <500 ms
POST/PATCH/DELETE operations complete in under 500ms
Bad
Good
Why it matters
Users expect mutations (create, update, delete) to feel instant. Target 500ms or less for these operations. Use optimistic updates, show loading states immediately, and optimize backend performance to meet this budget.
References