dhtmlx.sh seems to hang for 40 seconds when firebug is used


While testing in FireFox (36.0.1) with FireBug (2.0.8) active, the webpage always takes at least 40 seconds to appear. With FireBug disabled, the page appears almost instantly. I put together a minimal page that shows the problem:


Has anyone else run into this?

-Scott Emrick


Forgot to mention I’m using dhtmlxSuite_v413_pro.