End to end to performance consists of the time spent in the client (browser/device), the server and the network. Quite a few factors influences performance in terms of client settings, network setup and how you customizations are implemented.
This blog will help you understand how to run SAP C4C with optimal performance, going through various materials, best practices and expert recommendations. It also explains how to identify and troubleshoot perfomance issues, going into details on how to take HTTP Traces using browser DevTools
Global Topic Owner - SAP Customer Experience Value Map