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High-traffic Next.js applications often suffer from poor CDN cache hit rates due to how React Server Component payloads are hashed during client-side navigation. This guide uses real performance benchmarks to demonstrate fixes that dramatically improve edge caching efficiency.
When your Next.js build fails with "TypeError: Cannot read properties of null (reading 'auth')" on the \_not-found page, it's usually because your layout tries to access authentication context during static prerendering. Here's how to fix it properly.
Next.js Cache Components introduce a powerful static shell optimization, but they conflict with draftMode preview workflows. Learn how to conditionally bypass caching when editors need to preview unpublished content from your headless CMS.
Running `next lint` with ESLint 9 throws cryptic "Unknown options" errors for useEslintrc and extensions. This guide explains why ESLint 9's flat config breaks Next.js linting and provides clear solutions to get your project working again.
Getting "TypeError: Cannot read properties of null (reading 'auth')" when deploying to Vercel? This guide explains why your \_not-found page fails during prerendering and shows you exactly how to fix auth context issues with safe patterns.
The "Invalid Unicode Code Point" Terser error during Next.js builds is a frustrating Docker-specific issue. This guide explains why Alpine Linux triggers this minification failure and provides proven solutions to get your builds working.
