• Guide
  • Response: The time it takes for the web page to respond to user input should be under 100 milliseconds.
  • Animation: The time it takes for an animation to run should be under 10 milliseconds.
  • Idle: The web page should take advantage of idle time to perform non-critical tasks.
  • Load: The time it takes for the web page to fully load should be under 1 second.

References: Performance Frontend Development