Question from the WebPerf test

It allows the HTML parser of the page to not be blocked during the download of the script

It allows the initial rendering of the page to not be blocked during the parsing and execution of the script

It allows the execution of the script to be deferred after the DOMContentLoaded event on the document object

It allows the execution of the script to be deferred after the load event on the window object

Deferred scripts are executed in order