Under the hood of MDN's new frontend https://developer.mozilla.org/en-US/blog/mdn-front-end-deep-dive/ - in which it is revealed that using React to serve essentially static content "accumulated quite a lot of technical debt", and is better replaced by ... Web Components and CSS, AKA "the web platform". And also the revolutionary new concept of "Shipping only what's required". https://developer.mozilla.org/en-US/blog/mdn-front-end-deep-dive/