You might've read our last featured article by TomMacWright:Second-guessing the modern web, which took the front end world by storm. Read this article and see what Rich Harris, the creator of Svelte, has to say on all of that.
Cumulative Layout Shift (CLS) is a metric that quantifies how often users experience sudden shifts in page content. In this guide, we'll cover optimizing common causes of CLS such as images and iframes without dimensions or dynamic content.
CSS Comparison Functions (min(), max(), clamp()) became supported in Firefox on 8th of April 2020, which means that they are now supported in all major browsers. Check what you can do with them.
Have you heard of gateways, proxies (forward and reverse), load balancers, API gateways? You probably did, and even if you haven't you might have heard of products such as nginx, HAProxy, Envoy, Traefik, Kong, Ambassador, Tyk, ... You are probably using gateways without even knowing it!