The simple answer is that it's a TV and not as good at the browser as a common PC.
We got this TV because we don't want to pay a bunch of money for cable were barely home to watch, so we watch everything online. Netflix and all those apps work fine tv, but we have to use the actual browser to watch the news. Every time we try to watch it the browser crashes and says "not enough memory to open this page, to continue browsing the internet, go to another page." and if it doesnt crash, we have to keep pressing the live stream button to get it to continue playing after a commercial. Besides, anything else we try to do on the browser is ridiculously slow. We have great internet speed on everything else in the house but this damn tv. We have the LG 65LB6190-UD. Can anyone tell me why this happens?