Fill in the blank. Defer loading of non-critical CSS by adding ______ as an argument in your require_css function call.

Question: Fill in the blank. Defer loading of non-critical CSS by adding ______ as an argument in your require_css function call.

• { defer: true }
• { position: footer }
• { type: defer }
• { async: true }

The right answer was: { async: true }