This demonstration shows the loading speed of appendGrid. The performance is variant on different web browsers. As of 2013/03/24, the order of best performance to lowest is Google Chrome 25.0 > Apple Safari 5.1.7 > Mozilla Firefox 19.0.2 > Opera 12.14 > MS IE 9/10 > MS IE 7/8 (Strongly Not Recommended due to bad javascript engine)