In general, Javascript is fine. But some heavy sites kill my notebook's battery. CSS-heavy sites add another hit by warming up the GPU. Some even spin up the fa

In general, Javascript is fine. But some heavy sites kill my notebook's battery. CSS-heavy sites add another hit by warming up the GPU. Some even spin up the fan. Browsing without JS can be a better experience, when the alternatives are warm & loud or totally drained. Oddly, the native applications rarely seem to have much impact unless it's doing a hard task, like video encoding.