I got a problem with a site,

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At that site you can listen to music someone plays for you.
Unfortunately i cant get onto that site because of the memory usage,
if i open that site my memory usage will increase from 400mb ram to over 1.1gb ram and it will still increasing untill the browser crash.

How can i prevent that the browser crash>?
Btw i would like to stay at that site,
I closed it for a while
When i close the site it will go back to my normal ram 400mb

Thanks, Tom