Next.js Performance Notes

A few practical rules I use on every project:

• keep components small and focused
• avoid over-fetching on the server
• use caching intentionally
• load media assets with clear size constraints

Performance is mostly about consistent habits, not one-time tricks.

Example Snippet

export async function getServerData() {
  const res = await fetch("https://api.example.com/data", {
    next: { revalidate: 300 },
  });

  if (!res.ok) {
    throw new Error("Failed to fetch data");
  }

  return res.json();
}

I usually combine this with small reusable components and cache strategy checks.

Useful Link

Read the official docs: Next.js Rendering Strategies

Image Example

Quick Comparison

Strategy	Best For	Note
SSG	Mostly static pages	Fast and cacheable
ISR	Semi-dynamic content	Great for content updates
SSR	Highly dynamic data	More server load