Table of Contents
React Helmet: Mastering Your React Site's Head
Setting Up Gatsby and React Helmet
Building a Dynamic Layout Component
Cars4All
Creating Pages
Our Cars
Building and Serving
Home Web Front-end CSS Tutorial It's All In the Head: Managing the Document Head of a React Powered Site With React Helmet

It's All In the Head: Managing the Document Head of a React Powered Site With React Helmet

Apr 15, 2025 am 11:01 AM

React Helmet: Mastering Your React Site's Head

The section of your website, while often overlooked, is crucial for SEO, social media integration, and loading essential assets like stylesheets and analytics libraries. Managing this dynamically in a React application can be challenging. This tutorial demonstrates how to efficiently handle the content using React Helmet, leveraging server-side rendering (SSR) with Gatsby.

It's All In the Head: Managing the Document Head of a React Powered Site With React Helmet

Directly manipulating document.title and meta tags within componentDidMount is cumbersome and error-prone. React Helmet provides a streamlined solution. However, to fully harness its power, especially for SEO (search engines struggle with client-side rendered content), SSR is essential. Therefore, we'll use Gatsby, a React-based static site generator that offers built-in SSR.

Setting Up Gatsby and React Helmet

  1. Install Gatsby CLI:

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    npm i -g gatsby-cli

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  2. Create a New Gatsby Project:

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    gatsby new my-gatsby-site https://github.com/gatsbyjs/gatsby-starter-hello-world

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  3. Install React Helmet and Gatsby Plugin:

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    npm i --save react-helmet gatsby-plugin-react-helmet

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  4. Configure Gatsby: Add the plugin to gatsby-config.js:

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    module.exports = {

      plugins: [`gatsby-plugin-react-helmet`],

    };

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Building a Dynamic Layout Component

Create a components/layout.js file:

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import React from "react";

import Helmet from "react-helmet";

import { Link } from "gatsby";

import "../css/main.css";

 

export default ({ pageMeta, children }) => (

   

    <helmet>

      <title>{`Cars4All | ${pageMeta.title}`}</title>

      <meta charset="UTF-8">

      <meta name="viewport" content="width=device-width, initial-scale=1.0">

      <meta name="author" content="Bob Trustly">

      <meta name="description" content="{pageMeta.description}">

      <meta name="keywords" content="{pageMeta.keywords.join(',')}">

      </helmet> {/* Add language support */}

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{/* Add custom class */} {/* Example structured data (JSON-LD) */}

Cars4All

{children}
{`${new Date().getFullYear()} No Rights Whatsoever Reserved`}
> );

Create src/css/main.css:

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.slick {

  background-color: yellow;

  color: limegreen;

  font-family: "Comic Sans MS", cursive, sans-serif;

}

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Creating Pages

Update src/pages/index.js:

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import React from "react";

import Layout from "../components/layout";

 

export default () => (

  <layout pagemeta="{{" title: description: to cars4all keywords: lang:>

    <div>Welcome to Cars4All!</div>

  </layout>

);

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Create src/pages/cars.js:

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import React from "react";

import Layout from "../components/layout";

 

export default () => (

  <layout pagemeta="{{" title: cars description: our selection of cars. keywords: customcssclass: apply custom css class lang:>

    <h2 id="Our-Cars">Our Cars</h2>

    {/* ... car listings ... */}

  </layout>

);

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Building and Serving

Run gatsby build and then gatsby serve to see the results with SSR. Inspect the source code to verify that React Helmet's content is correctly rendered. The lang attribute and custom CSS class will be applied as expected. Remember to replace the placeholder structured data with your actual data. This approach ensures your React application's metadata is properly indexed by search engines and social media crawlers.

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