Preload base.js css/stylesheet asset because it slows down my store

Technical Q&A
1

Hi i just need to preload the following line in original dawn theme and i cannot figure out how.
It makes great impact to my store pagespeed.

the line is:

{{ ‘base.css’ | asset_url | stylesheet_tag }}

please tell me how to preload it. thanks

2

You can do it like this