In Project “File Reader” to present a file manager-like react based web page, we are facing a problem, as we required for all the files from server, the json file for 37000 files tooks server almost 6s to respond and then the web page, depend on the cpu speed, tooks almost 9s to render, that is almost 15s to wait for user.
This is not a good result, for further investigation, we use console.log("performance fetch"+(t1-t0)/1000) to check the performance in seconds to see each step takes how long to finish.
we can see the result