If you’re building a web experience and want to stay fast, a performance budget can be critical . For success, embrace performance budgets and learn to live within them. Network & CPU limits on mobile can require asking hard questions like, “what is really important to my users?”

When we talk to Fortune 500 companies that put in the work to improve performance, perf metrics will often rapidly regress once they return to feature development. Performance budgets help teams prioritize features, op...