After applying proxy, the speed is very slow

What is the name of the domain?

What is the issue you’re encountering

After applying proxy, the speed is very slow.

What steps have you taken to resolve the issue?

Unsolvable

What are the steps to reproduce the issue?


When I turn on the proxy function and apply SSL,
the speed is very slow.
When I turn off the proxy and make a request to the server, the processing is very fast.

Please refer to the screenshot.
Why is this happening?

Screenshot of the error