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perf: preconnect to cross-origin hosts on the critical path #474

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perf: preconnect to cross-origin hosts on the critical path #474

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13 changes: 13 additions & 0 deletions src/app/layout.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -6,6 +6,7 @@ import NextTopLoader from "nextjs-toploader";
import { IBM_Plex_Sans } from "next/font/google";
import { S3CredentialsProvider, UploadProvider } from "@/components";
import { metadata } from "./metadata";
import { CONFIG } from "@/lib/config";
const ibmPlexSans = IBM_Plex_Sans({
subsets: ["latin"],
weight: ["400", "500", "600", "700"],
Expand All @@ -22,6 +23,18 @@ export default async function RootLayout({ children }: RootLayoutProps) {
return (
<html lang="en" suppressHydrationWarning>
<body className={ibmPlexSans.variable} suppressHydrationWarning>
{/* ponytail: cross-origin hosts on the critical path. Both are discovered
late — the fonts only once globals.css parses — so the handshake
otherwise starts cold. crossOrigin on the font host only: fonts are
fetched in CORS mode, the Ory session request is credentialed. */}
<link
rel="preconnect"
href="https://assets.radiant.earth"
crossOrigin=""
/>
{CONFIG.auth.api.backendUrl && (
<link rel="preconnect" href={CONFIG.auth.api.backendUrl} />
)}
<ThemeProvider
attribute="class"
enableSystem={true}
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