sitespeed.io/conf/budget.json

{
  "rules": {
    "default": 90
  },
  "timings": {
    "serverResponseTime": 300,
    "domContentLoadedTime": 700,
    "speedIndex": 1000
  },
  "wpt": {
    "SpeedIndex": 1000
  },
  "gpsi": {
    "score": 90
  }
}