What is async/await in JavaScript? From Callback Hell to Promises, React, and Next.js, explained with real code

When building web pages or apps, you will often encounter the two terms async and await in JavaScript. These are terms ...

[Next.js] This is the cause of slow APIs! Professional speed-up techniques to reduce backend load to zero using Route Handlers and Fetch Cache

Have you ever created your own API endpoint (`app/api/...`), only to have a heart-stopping moment when database CPU usage ...