Strange but it seems a lot slower on my iPhone. A picture of text took quite a while to render so readable.
I think that's an intended feature for slow connectios.
My newsfeed loaded pretty damn fast, then the pictures people posted started to appear first a low quality, then popped to decent quality.
That was on my 3G data connection which is a bit hit n miss at getting started sometimes.
Wifi, it was instant load, clear images.