2026.01.04E·49Performance Profiling: Stop Guessing, Start Measuring
Optimizing by gut feeling made my app slower. Learn to use Performance profiler to find real bottlenecks and fix what matters.
PerformanceProfilingDevTools
→2025.12.19E·33Stop Using `<img>` in Next.js: Why `next/image` is Essential for LCP
Your beautiful hero image killed the LCP score? Understand how `next/image` optimizes format (WebP/AVIF), resizing, and layouts. Deep dive into `sizes` prop and `blurDataURL`.
Next.jsPerformanceImage Optimization
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