I don't think it normally does. I think what probably happens is that there are memory leaks. The longer you leave the tab open, the more memory it ends up cons

I don't think it normally does. I think what probably happens is that there are memory leaks. The longer you leave the tab open, the more memory it ends up consuming. There's also the fact that it runs in the browser, which can make it more difficult to control or understand how many resources will be used.