I suspect that the site has some HTML5 code and the age of the engine in KM is so old that we cannot display it correctly. I tried different user agents in KM 1.6.0 beta 2.4 and there was no change to the display.
Hanlon’s razor is an eponymous adage named after Robert J. Hanlon that states: “Never attribute to malice that which is adequately explained by stupidity.â€