Yes, it appears to be developed on CEF, which could explain the slowness. "We de...

		wlesieutre on May 15, 2015 \| parent \| context \| favorite \| on: How is Javascript used within the Spotify desktop ... Yes, it appears to be developed on CEF, which could explain the slowness. "We decided to develop it on HTML and JS" is a lame excuse for slow mobile apps, and IMO it's even worse on desktop. Related: http://techcrunch.com/2012/12/13/facebook-android-faster/