使用 Next.js 與 `next/font` 完美優化自訂字型，兼顧效能與隱私
Original: Custom fonts without compromise using Next.js and `next/font`
In modern web development, font loading is often the culprit behind poor user experience (UX) and degraded Core Web Vitals — particularly…
Vercel 介紹了 Next.js 的 `next/font` 功能，旨在解決網頁字型載入時的效能與排版問題。該功能會自動下載並託管字型檔案，消除外部網路請求以提升隱私與速度。最重要的是，它透過自動調整字型大小（size-adjust）來實現「零版面配置位移（Zero Layout Shift）」，讓自訂字型與 Google Fonts 的整合變得無比流暢。
In modern web development, font loading is often the culprit behind poor user experience (UX) and degraded Core Web Vitals — particularly CLS (Cumulative Layout Shift). Vercel has introduced the built-in `next/font` module in Next.js, a solution designed specifically to tackle the challenge of font optimization, allowing developers to use custom fonts without making any trade-offs between performance, privacy, or design fidelity.
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