I think the best visualization overall is the first one on https://2019.stateofjs.com/overview/ https://2019.stateofjs.com/overview/. Seeing the trajectory of

I think the best visualization overall is the first one on https://2019.stateofjs.com/overview/ https://2019.stateofjs.com/overview/. Seeing the trajectory of each piece of tech gives a lot of insight on overall trends. For example, I was thinking of learning a bit of the more recent Angular (last time I used it was Angular 1.x, before React was a thing), but now I think I'll look more into Vue.js, as its trajectory looks much better.