Why SSRS report is loading very slowing in user PC

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SSRS

Hi,
any one please clarify me below problem.

why SSRS report is loading very slow from user PC in same domain but inside server is faster.
i have configured SSRS report in server and if i running report server URL inside the server where my report is deployed is faster(3s) but when user is accessing same URL from their PC in same domain it's very very slow(5 mins). if after click on view button , if it's taking time then i may guess that may be data is huge but my case if no data also for initialize reporting viewer taking long time. i have checked store procedure result , it's very faster.

in chrome browser report viewer is not loading properly it's not loading properly in chrome browser. any chrome setting required?

What I have tried:

i have tried to change setting of browser but didn't find any result