Review.
Pros:
It's honestly pretty fun, even though I was playing it by myself. Honestly, I think it would be really boring if I played with somebody else. What really made it fun was trying to focus on both paddles and try not to let it go past either one of them.
Cons/Recommendations:
The gameplay was fun, don't get me wrong, but otherwise it was a pretty boring game. It's just a plain white background, there's no upbeat music that gets me more in the mood to play this sort of thing and the background was just plain boring. Honestly the classic black-and-white pong background would have been better than what you used on here.
What's the deal with the actual ball, honestly? It looks bad in my opinion, it looks like a pinball. In my opinion, simplicity is better here. If you would have made the "ball" a black square, it would have been much better than the low quality image you used.
In my opinion, somebody here has a disadvantage. Although I guess it depends on your personal preference, you should either make it so you can pick your controls, or so that one player is WASD and the other is the arrow keys.