Next.js Image Component Optimization Error
Using next/image causes errors. Image won't load or throws configuration error. Image optimization fails.
Error about missing width/height, or optimization service unavailable.
Error Messages You Might See
Common Causes
- Width/height not provided on Image component (required for static imports)
- External image domain not whitelisted in next.config.js
- Image format not supported by Next.js optimization
- Invalid src prop (relative path instead of absolute)
- Image optimization disabled but image props incorrect
How to Fix It
Always provide width and height:
For external images, add to next.config.js: { images: { remotePatterns: [{ hostname: 'example.com' }] } }
Use static import when possible: import img from '@/public/img.jpg';
Ensure image file exists and is valid format (jpg, png, webp, gif)
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Get HelpFrequently Asked Questions
When can I skip width/height?
Only with layout=fill (position: absolute parent) or static import with Babel plugin
How do I whitelist external image domains?
In next.config.js: images: { remotePatterns: [{ hostname: 'cdn.example.com', protocol: 'https' }] }
Is Image component always better than img tag?
Yes for web. Image automatically optimizes, lazy loads, handles responsive sizes. Always use next/image