Browsers do not and should not have infinite memory. Each time an infiscroll website scrolls down, more memory is consumed. On my iPad1, that's a guaranteed insta-crash for Safari.
What is a crash on an iPad1 is a major slowdown on a netbook. In five years when web pages get even heavier, it'll be a crash on a netbook too.
What is a crash on an iPad1 is a major slowdown on a netbook. In five years when web pages get even heavier, it'll be a crash on a netbook too.