[truncheon]

Uh, the point is that, on a slow connection, everything is going to suck in unpredictable ways, because of server-side bloat, and the trendiness of developers deploying 5MB js libraries.

Worrying about whether the browser was recent or supported misses the point. Any browser can suffer these sorts of problems on a 56KB dial-up connection. (3G mobile data is frequently throttled at 128KB by popular ISP's, btw)

[frumiousirc]

Uh, reading in a whole slew of things into a simple question is missing the point.