Next.js Dynamic Routes Explained: From [slug] to Real Pages

Next.js Dynamic Routes Explained: From [slug] to Real Pages

You’ve seen them. URLs like /blog/how-to-nextjs or /user/42 that magically load the right content. That’s not sorcery — it’s just Next.js doing what it does best: mapping routes to data with minimal fuss. Instead of hardcoding every possible path, you can use dynamic routing. It’s efficient, scalable, and downright essential once your site grows past a handful of static pages. What are dynamic routes? In Next.js, you define dynamic pages using s…