The Proper Way to Include External CSS in a Next.js Page Without Triggering Any Warnings

I find myself in a scenario where I must dynamically inject CSS into a webpage.

The content of this page is constantly changing, and I am provided with raw HTML and a link to a CSS file from a server that needs to be displayed on the page.

My attempt to add it to a <Head> tag in next.js was successful, but it resulted in a warning:

Avoid adding stylesheets using next/head (consider using <link rel="stylesheet"> tag with href="my-url"). Utilize Document instead.

This directive stems from this page. Unfortunately, since that page is exclusively for SSR, I am unable to dynamically set the CSS there (e.g., using React context).

Is there a way to accomplish this task without triggering any warnings? Thank you.

javascriptcssreactjsnext.jsserver-side-rendering

Answer №1

If you're looking to manage head meta tags and style elements within your React application, consider utilizing the react-helmet library. It effectively maps these elements to the <head></head> section in the DOM.

Here's an example of how it can be implemented:


import {Helmet} from "react-helmet";

const Home: NextPage = () => {
  return (
    ....
      <Helmet>
        <link href="https://cdn.jsdelivr.net/npm/<a href="/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="f89a97978c8b8c8c89d898c70737e7266">[email protected]</a>/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-T3c6CoIi6uLrA9TneNEoa7RxnatzjcDSCmG1MXxSR1GAsXEV/Dwwykc2MPK8M2HN" crossorigin="anonymous" />
        <link rel="icon" href="/favicon.ico" />
      </Helmet>
    ....
  )
};

By using the React Helmet library, you can ensure that warning messages related to head tag management are avoided.

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