Performance bank Measuring & Budgets Performance / 5 questions Your progress 0 / 5 done Saved in this browser. Reset All 5 Medium 4 Hard 1 Hide done No questions match those filters. 1 How do you read a Lighthouse report, and what are its limitations? Medium 2 How do you use the Performance panel to find a long task? Medium 3 What is a performance budget, and how do you enforce it in CI? Medium 4 What is the User Timing API, and how do you measure a custom interaction? Medium 5 How would you diagnose a page that's fast in the lab but slow for real users? Hard ← Previous Network & Caching