How to track the resource consumption of a web page?

Question

JavaScript

Good afternoon, tell me how to track the resource consumption of a web page? Now I can only determine by ear, by the volume of the fans =)

Answer 1

Read this, it might help. https://habr.com/post/309318/

Answer 2

Ctrl + Shift + I -> Performance or Profiler

Answer 3

shift+esc in chrome

Answer 4

Found that Chrome has a Task Manager tab, but more detailed tools exist? I would like to debug the script, for unknown reasons, my simple page loads the processor.