Judging by the bundle sizes, the numbers aren't that bad if you consider the increasing of internet speed: https://www.nngroup.com/articles/law-of-bandwidth/ h

Judging by the bundle sizes, the numbers aren't that bad if you consider the increasing of internet speed: https://www.nngroup.com/articles/law-of-bandwidth/ https://www.nngroup.com/articles/law-of-bandwidth/ Given that HTTP2 will be more and more available, the number of requests isn't a problem either. Global, fast CDN-s are thing for a while. What would be worrying about client side JS is needless use of heavy frameworks, like Angular, CPU hogging tracking scripts or lame ads, dark UX marketing widgets.