One of the logistics customer is facing a performance issue. During this pandemic they are receiving more request and site is getting slow. They recently upgraded to 7.2 from 6.2.
They analysed and found out that the initial js_resolve_modules requests consume the most bandwidth. Specifically those for frontend-js-spa-web and metal-dom/src/all/dom/
Customer wants these to be cached or do something with these request to improve the performance.