how can i enforce google chome for mobile to clear cache ?

Hello

I had a down on one of my sitesw and until now i see an error message on my mobile chrome
i assume some of my visitors also have this problem and they don't know to fix it, and even that the problem is in the browser
i would like to externaly enfore this browser to clear the cache

i tried with clear cache on wp rocket
or purge cache on cloudflare, but it does not working

please help me