For writing APIs, Echo and Go are pretty great. Then write your site or app as a one pager in angular or react. Many huge sites are running on rails though, s

For writing APIs, Echo and Go are pretty great. Then write your site or app as a one pager in angular or react. Many huge sites are running on rails though, so switching to a new framework isn't going to give you automatic "scale". I'd recommend reading this post which summarizes a re:Invent presentation about scaling to 10 million users on AWS http://highscalability.com/blog/2016/1/11/a-beginners-guide-to-scaling-to-11-million-users-on-amazons.html http://highscalability.com/blog/2016/1/11/a-beginners-guide-...