On: HTML5 Games Workshop: Make a Platformer Game with ...

[awqrre]

Not saying that you are wrong about the game design but there might be some issues with your i5... perhaps a cleanup or fresh install would help.

[TazeTSchnitzel → awqrre]

…huh? The hardware on this MacBook Air is perfectly fine.

I just have TweetDeck open in another tab, and e10s isn't enabled, so Firefox suffers.

[awqrre → TazeTSchnitzel]

I was talking about the software installed on your hardware...

[TazeTSchnitzel → awqrre]

Okay, what about it?

The web is not a particularly fast platform. That it doesn't always achieve 60fps in practice is not surprising.