1. • Cache-Control:
   • Content-Type:
   • Pragma:
   • Upgrade-Insecure-Requests:

1. fetch

   • Accept:
   • Accept-Language:

1. HTTP-network-or-cache fetch

   • Content-Length:
   • Referer:
   • Origin:
   • User-Agent:
   • Authorization:

   • Cookie:

   • Accept-Encoding:
   • DNT:
   • Prefer:Safe
   • Proxy-Authorization:

   • Connection:
   • Host:

   • If-Modified-Since:
   • If-None-Match:
   • Range: