CDN-hosted scripts, for starters. Also, running old games in DOS Box is often a finicky process that requires some tinkering for every game. That's one of the

CDN-hosted scripts, for starters. Also, running old games in DOS Box is often a finicky process that requires some tinkering for every game. That's one of the reasons GOG.com took off so rapidly. People are gladly paying several bucks to save themselves the trouble of messing with configs and reading forums about game's quirks. This isn't a huge deterrent in case of games, but it will be a huge deterrent for retro-browsing, because the whole point to the Web is its interconnectedness. Plus, there are many more websites than there are games.