Why are the photo galleries on The Verge so sub par compared to Polygon?

If you look at this link from Polygon

http://www.polygon.com/2013/4/23/4256998/strike-suit-infinity-standalone-score-chaser-hitting-steam-april-30#!/3957279

You can see how much faster you can change images and how responsive it is. Compared to the recent S4 review its night and day. I don't know why the photo galleries are so bad compared to even other Vox media sites, but I would like to know if this is going to get any better any time soon?