Let's get concrete! What is boring tech in the context of creating an SPA website? A LAMP stack (seems too old and boring give that most SPAs want some form of

Let's get concrete! What is boring tech in the context of creating an SPA website? A LAMP stack (seems too old and boring give that most SPAs want some form of real time updating) React? Is that old and boring yet or new and unproven? React with what (since react is just a framework for DOM manipulation Rails? Does that meet today's requirements? At the time it wasn't written for SPAs, was written for MPAs.