Download Ebook

The Expert Guide to
Next.js Performance
Optimization
2025

What's inside?

We've prepared 10 chapters filled with knowledge, key tips, real-life examples, and open-source libraries to help you make your Next.js app faster and more user-friendly!

Boost Performance

Learn how to enhance your Next.js app's speed with techniques like SSR, SSG, and code splitting.

Fix Bottlenecks

Address common issues such as large bundles, slow API calls, and inefficient caching for smoother performance.

Upskill in Next.js

Master optimization tools like Next/Image, script-loading strategies, and advanced rendering techniques to build efficient apps.

Enhance SEO and UX

Optimize Core Web Vitals to improve search rankings and deliver a better user experience.

Access Expert Guidance

Benefit from actionable advice and best practices to create high-performance, production-ready applications.

What our clients say about us

See how we've helped our clients achieve their goals

Zach Fry

Zach Fry

VP of Engineering at ArthurAI

We've increased our ARR with product(s) that the Blazity engineers have directly contributed to.

What topics does the ebook cover?

The guide covers code splitting, lazy loading, image optimization, rendering strategies, Core Web Vitals, and best practices for building high-performing Next.js apps

Code Splitting and Lazy Loading

Break your app into smaller chunks with techniques like next/dynamic, automatic code splitting, and external module handling to reduce load times and enhance user experience

Image Optimization with Next/Image

Use Next.js tools to prioritize critical images, enable lazy loading, adopt modern formats like WebP, and fine-tune image quality and sizing for better performance

Rendering Strategies

Understand SSR, CSR, ISR, SSG, server components, and streaming to choose the best rendering approaches for speed and up-to-date content

Web Vitals and Monitoring Tools

Track and improve metrics like LCP, FID/INP, and CLS using tools like Lighthouse, CrUX, and Real User Monitoring (RUM)

Development Best Practices

Foster performance-focused development with performance budgets, code reviews, and optimized infrastructure like serverless functions and custom caching

Structure of This Guide

Overview

Concisely introduces the core issue, providing context for the guide’s solutions and recommendations.

Implementation

Provides architectural guidelines, optimization techniques, and tooling recommendations to help you build high-performing Next.js applications.

Key Points

Briefly lists out the essential points covered throughout the chapter.

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