Performance
The Next.js Page That Shipped the Database Client to the Browser
The page weighed two megabytes and the network tab showed a database driver going to the browser. A server only import crossed the boundary through one…
Next.js
Next.js Dynamic Server Usage: The Static-Dynamic Boundary
Your build fails because a page tried to read a header. Here is what triggers dynamic rendering and how to decide what each route should be.
React
Hydration Failed: Every Cause of the Initial UI Mismatch
A complete diagnostic guide to React hydration mismatches: the eight real causes ranked by how often they actually happen, with the fix for each.