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Edge-rendered React in 2026
Practical patterns for sub-100ms experiences at the edge.
Priya RamanMar 30, 20267 min
Software
Edge rendering is no longer experimental. With React Server Components and modern edge runtimes, sub-100ms TTFB is realistic globally.
Three patterns matter: streaming HTML, partial hydration and edge-cached data fetches.
Keep your edge bundle small. Heavy dependencies belong in regional functions, not in the edge worker.
Measure with real user metrics. Synthetic edge benchmarks lie.
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Written by
Priya Raman
Upperfirms Technologies