The web is so fast-moving and iterative there aren't really 'generations'. I'd say the biggest growth I've noticed in recent years is CSS. The past ~4 years hav

The web is so fast-moving and iterative there aren't really 'generations'. I'd say the biggest growth I've noticed in recent years is CSS. The past ~4 years have seen CSS become a lot more capable, not just for design but also for interactivity, and it doesn't seem to be slowing down.