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Next.js

Next.js ImageResponse: Enhance Image Optimization and Responsiveness

By Filip on 04/17/2024

Next.js ImageResponse offers a flexible solution for responsive image handling, enabling dynamic resizing, optimization, and efficient serving based on client device and network conditions.

Next.js ImageResponse: Enhance Image Optimization and Responsiveness

Table of Contents

Introduction

Step 1: Install the @vercel/og library

Install the @vercel/og library to generate Open Graph images for your web pages.

Step-by-Step Solution

Step 1: Install the @vercel/og library

npm install @vercel/og

Step 2: Create an ImageResponse object

import { ImageResponse } from '@vercel/og';

const imageResponse = new ImageResponse({
  width: 1200,
  height: 630,
  title: 'My Awesome Blog Post',
  description: 'This is a great blog post about something interesting.',
  image: '/my-image.png',
});

Step 3: Send the ImageResponse object to the client

res.send(imageResponse);

Step 4: Use the ImageResponse object in the client

const imageResponse = await fetch('/api/og-image');
const imageUrl = imageResponse.url;

Step 5: Display the image

<img src={imageUrl} alt="My Awesome Blog Post" />

Code Example

Generates and serves optimized Open Graph images for social media sharing.

// Step 1: Install the `@vercel/og` library
npm install @vercel/og

// Step 2: Create an `ImageResponse` object
import { ImageResponse } from '@vercel/og';

const imageResponse = new ImageResponse({
  width: 1200,
  height: 630,
  title: 'My Awesome Blog Post',
  description: 'This is a great blog post about something interesting.',
  image: '/my-image.png',
});

// Step 3: Send the `ImageResponse` object to the client
res.send(imageResponse);

// Step 4: Use the `ImageResponse` object in the client
const imageResponse = await fetch('/api/og-image');
const imageUrl = imageResponse.url;

// Step 5: Display the image
<img src={imageUrl} alt="My Awesome Blog Post" />

Additional Notes

  • The ImageResponse object can also include additional properties, such as siteName and author.
  • The ImageResponse object can be used to generate images in various formats, including PNG, JPEG, and WebP.
  • The @vercel/og library can be used to generate images for both static and dynamic pages.
  • The @vercel/og library is open source and available on GitHub.

Summary

Step Summary
1 Install the @vercel/og library.
2 Create an ImageResponse object with the desired image properties.
3 Send the ImageResponse object to the client.
4 Fetch the ImageResponse object from the client.
5 Display the image using the URL from the ImageResponse object.

Conclusion

The @vercel/og library provides a convenient and efficient way to generate optimized Open Graph images for your web pages. By following the steps outlined in this article, you can easily create and serve high-quality images that will enhance the visibility and engagement of your content on social media platforms. The ImageResponse object provides flexibility and customization options, allowing you to tailor the images to your specific needs. Whether you have static or dynamic pages, the @vercel/og library offers a robust solution for generating Open Graph images that will effectively promote your content and drive traffic to your website.

References

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