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2026-07-13 21:36:17 +08:00

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title, impact, impactDescription, tags
title impact impactDescription tags
延迟加载非关键第三方库 MEDIUM 在水合后加载 bundle, third-party, analytics, defer

延迟加载非关键第三方库

分析、日志记录和错误追踪不会阻塞用户交互。应在水合之后加载它们。

错误做法(阻塞初始包):

import { Analytics } from '@vercel/analytics/react'

export default function RootLayout({ children }) {
  return (
    <html>
      <body>
        {children}
        <Analytics />
      </body>
    </html>
  )
}

正确做法(在水合后加载):

import dynamic from 'next/dynamic'

const Analytics = dynamic(
  () => import('@vercel/analytics/react').then(m => m.Analytics),
  { ssr: false }
)

export default function RootLayout({ children }) {
  return (
    <html>
      <body>
        {children}
        <Analytics />
      </body>
    </html>
  )
}