Most of us have been there. That website you want to use, from your mobile device, that just refuses to cooperate. From the Flash-only, to the can't f**king log in, to the redirect-to-mobile-and-stay-there sites, there's more than enough websites out there to invoke Mobile Rage.
Although we all know that the best mobile development strategy is "mobile-first", we also all know how many sites and applications out there were designed and built by people who didn't imagine how fast mobile would take over.
Come learn about the common mistakes most people make for mobile, and some of the simple solutions you can use to help reduce Mobile Rage, without having to do a complete rewrite.