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feat: add Server-Timing header to dev server responses#31

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uhyo merged 1 commit intomasterfrom
claude/add-server-timing-header-2FKtO
Jan 29, 2026
Merged

feat: add Server-Timing header to dev server responses#31
uhyo merged 1 commit intomasterfrom
claude/add-server-timing-header-2FKtO

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@uhyo uhyo commented Jan 29, 2026

Add performance timing measurements to serveHTML() and serveRSC() handlers
to aid investigation of performance issues during development. The header
includes timing for:

  • entries: time to load entry modules (Root, App)
  • ssr-module: time to load SSR entry module
  • rsc: time to create RSC stream
  • ssr: time to render HTML
  • defer-load: time to load deferred RSC components

https://claude.ai/code/session_01B3u3KoaAbmABGez3Y7ANie

Add performance timing measurements to serveHTML() and serveRSC() handlers
to aid investigation of performance issues during development. The header
includes timing for:
- entries: time to load entry modules (Root, App)
- ssr-module: time to load SSR entry module
- rsc: time to create RSC stream
- ssr: time to render HTML
- defer-load: time to load deferred RSC components

https://claude.ai/code/session_01B3u3KoaAbmABGez3Y7ANie
@uhyo uhyo merged commit 5116842 into master Jan 29, 2026
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@uhyo uhyo deleted the claude/add-server-timing-header-2FKtO branch January 29, 2026 23:34
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2 participants