Next.js and Astro include automatic image optimization - no plugin needed.
You don't need Smush after migrating to Next.js or Astro. Modern frameworks offer built-in solutions or lightweight npm packages that replace Smush with better performance and zero plugin bloat. See the alternatives below.
Official docs: Next.js Documentation · Astro Documentation
Smush alternative with built-in optimization
Automatic image optimization
Visit https://nextjs.org/docs/pages/api-reference/components/image
Built-in image component
Visit https://docs.astro.build/en/guides/images/
Use framework image components
Automatic WebP conversion
Lazy loading included
Responsive sizes generated
In-depth guides and tutorials to help with your migration
Compare Astro and Next.js for your next project. Performance, features, and use cases explained to help you decide.
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