Next.js7 min
Fetch data in the App Router without a waterfall
Colocate the fetch with the UI that needs it, then run independent requests in parallel so a page does not wait on itself.
~/guides
Field notes on building for the web.
CodeAndBuild publishes guides on Next.js, TypeScript, and the habits that keep a codebase understandable six months later.
Featured guides
Recent essays on shipping software with fewer surprises.
6 guides
React8 min
A mental model for React Server Components
Treat the client directive as a boundary, not a decoration. Props that cross it have to be data, not functions or classes.
SEO6 min
Technical SEO for a developer blog
Write a specific title, give each guide one URL, and make the heading structure match the outline a reader would sketch.
TypeScript7 min
Narrow types at the edge of your program
Parse input where it enters. After that, the type system should carry a value you already checked.
CSS5 min
Layout primitives for Tailwind interfaces
Decide the page width, the stack gap, and the card padding once. Most screens are those three decisions repeated.
Git5 min
Git history your future self can trust
Write the history as a sequence of reasons. A reviewer should understand the change before opening the diff.