Tag

#SSR

2 pieces filed under “SSR”.

Engineering · 22 Jan 2026 · 11 min

Streaming SSR: practical notes from shipping it

Streaming SSR in practice: what actually streams, where Suspense boundaries help or hurt TTFB, hydration ordering, mid-stream errors, and how to measure it.

reactSSRperformance

Engineering · 19 Jan 2026 · 10 min

Theme persistence without the flash

Dark mode that flashes light on load is a broken promise. Boot scripts vs cookies, SSR the right class, reconciling system preference, and testing regressions.

engineeringdark modeSSR