I imagine it's the performance hit of moving around so many DOM elements on the page. We had a similar experience with this visualization that started as D3 htt

I imagine it's the performance hit of moving around so many DOM elements on the page. We had a similar experience with this visualization that started as D3 http://trends.truliablog.com/vis/greener/ http://trends.truliablog.com/vis/greener/