Overview:

The document provides a guide on how to add Google Fonts, specifically Inter with weights 400 and 700, to a Next.js app using the next-google-fonts package. It emphasizes the importance of proper setup and the use of a custom Head component to ensure the fonts are loaded correctly. Additionally, it compares this method to Next.js font optimization introduced in Next.js 10, providing criteria for choosing between the two solutions.

Features:

• Adding Google Fonts: Easily add Google Fonts to a Next.js app.
• Custom Head Component: Create a custom Head component for managing font loading.
• Fallback Font Support: Ensure a sensible fallback font is displayed in case Google Fonts fail to load.
• Comparison to Next.js Font Optimization: Understand the differences between using next-google-fonts and Next.js font optimization.

Installation:

To install the Inter Google Fonts in a Next.js app using the next-google-fonts package, follow these steps:

1. Add the package to your Next.js project:

   npm install next-google-fonts
   

2. Create a custom Head component and ensure it is not nested inside next/head.
3. Add the requested Google Font/s to your styles with a sensible fallback font.
4. Run your Next.js app to see the results in action. Make sure the fallback font displays first, followed by Google Fonts, with no render-blocking CSS warnings.
5. If JS is disabled, only the fallback font will be displayed.

Summary:

The document serves as a detailed guide on incorporating Google Fonts, specifically Inter, into a Next.js app using the next-google-fonts package. It provides a step-by-step installation process, highlights the importance of proper setup, and compares this method to Next.js font optimization for users to make an informed decision based on their requirements.