[potatoz2]

I don’t understand your comment completely. The “traditional” SSR frameworks (PHP, Rails, Express) didn’t make it easy to componentize things, instead trying to divide logic by broad category (MVC, etc.). I don’t know whether it’s orthogonal to Web development or caused by its complexity, but the emergence of components as a primary unit of abstraction is meaningful IMHO.

[pjmlp]

The traditional frameworks like JSP tag libraries, JSF, ASP, ASP.NET Web Forms, Cold Fusion, Zope, AOLServer, our own Safelayer, live from components.

PHP was always a anything goes, Rails never impressed me having used AOLServer and being part of a team that created a similar architecture with TCL (Safelayer mention above, the founder of that startup created Outsystems), express is basically a servlet engine in terms of features.