Next.js 15 Features: A Friendly Guide for 2025
Next.js 15 introduces several exciting features for modern web development. This guide covers the highlights and how to leverage them in your projects, using British spelling and best practices throughout.
1. Enhanced Routing
- The new routing system makes dynamic and nested routes easier to manage.
- Support for parallel routes and intercepting routes improves flexibility.
- Route groups help organise your application structure.
2. Built-in Image Optimisation
- Automatic image optimisation is now faster and more flexible.
- Support for modern formats like WebP and AVIF.
- Improved handling of responsive images and lazy loading.
3. Improved Server Components
- Server components are more stable and easier to use, reducing client bundle size.
- Enhanced data fetching and streaming capabilities.
- Better integration with React 19 features.
4. TypeScript and Developer Experience
- TypeScript 5.9 support out of the box.
- Improved error reporting and type safety.
- Enhanced hot reloading and build performance.
5. Performance and Accessibility
- Faster page loads and reduced JavaScript footprint.
- Improved accessibility features and ARIA support.
- Built-in tools for monitoring and optimising Core Web Vitals.
6. Ecosystem and Integrations
- Seamless integration with Vercel, Payload CMS, and other popular tools.
- Expanded plugin ecosystem for analytics, SEO, and more.
- Better support for edge functions and serverless deployments.
Final Thoughts
Next.js 15 is a major step forward for web developers, offering powerful new features and a smoother workflow. By adopting these best practices and leveraging the latest improvements, you’ll build faster, more accessible, and more maintainable applications.
Need more help? Reach out to the kreativekommit team for personalised Next.js advice!