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Engineering notes
Short write-ups of real engineering decisions: what the problem was, what changed and what the numbers did.
500K map objects, first render cut from 800 to 480 ms
A Mapbox GL JS interface with 300K–500K geospatial objects: first render from about 800 ms to about 480 ms.
Mapbox GL JSPerformanceReactElasticsearchGISMoving from the Pages Router to the App Router
Modernizing legacy React/Next.js codebases at Ciklum: App Router, strict TypeScript, and INP from about 280 ms to about 150 ms.
Next.jsReact Server ComponentsTypeScriptPerformanceArchitecture