firebase - Firebase 托管

Question

在测试托管在 Firebase 主机上的网站的速度时，我们看到了 GTmetrix 的以下建议：

IMPACT  AUDIT       
High    
Enable Keep-Alive
1 request found.    
Enabling HTTP Keep-Alive or HTTP persistent connections allow the same TCP connection to send and receive multiple HTTP requests, thus reducing the latency for subsequent requests.

Learn how to improve this
URL WITHOUT KEEP-ALIVE ENABLED
https://SOME_URL.com

Firebase 托管文档对 http keep-alive 设置保持沉默。任何人都知道如何设置它？

提前致谢！