CDN

nginx

1. chrome's Disable cache: local disk, local memory cache
2. HTTP no-cache header
3. CDN Response header

Resquest Header -H 'Accept-Encoding: br, gzip, deflate' curl https://xxx.com --resolve xxx.com.com:443:1.1.1.1

Response Header content-encoding: br content-type: text/css

Reference:

1. Official Website
2. Repository