React hemlet is a reusable react component that will manage all of the changes with the document head. This makes server-side rendering and React Helmet a dynamic duo for creating apps that are SEO and social media-friendly.
When developing a react application we all know managing the document head is going to be crucial especially when considering Search Engine Optimization (SEO) and the overall user experience. This is where React Helmet comes into play. React Helmet makes it easy to manage meta tags, titles, and other head elements vital for SEO and social media sharing. By using it, developers can ensure that their React application presents the correct information in the head, which can significantly affect how the content is ranked and displayed in search results.

Understanding the Document Head and the SEO

The document head also referred to as a head section of the HTML document is a pivotal area that holds meta tags, title tags, and links for stylesheets and scripts.These tags are not visible to users of the web pages but these elements are essential for search engines to understand the content of the web page which is directly affecting to the SEO.Installation and Configuration of React Helmet

Features

1.Supports all valid head tags: title, base, meta, link, script, noscript, and style tags.
2.Supports attributes for body, html and title tags.
3.Supports server-side rendering.
4.Nested components override duplicate head changes.
5.Duplicate head changes are preserved when specified in the same
6.component (support for tags like "apple-touch-icon").
7.Callback for tracking DOM changes.

Installation and Configuration of React Helmet

To get started with React Helmet, you'll need to install it in your React project. You can do this by running the following terminal command

npm install --save react-helmet

or if you prefer using yarn,

yarn add react-helmet

Once installed, you can import React Helmet into your React components. Here's a basic example of how to configure React Helmet in a component

import React from 'react';
import { Helmet } from 'react-helmet';

const HomePage = () => (
  <div>
    <Helmet>
      <title>Home Page - My React App</title>
      <meta name="description" content="Welcome to the home page of my React app" />
      {/* Additional head elements */}
    </Helmet>
    {/* Content of the home page */}
  </div>
);

In the above example, the Helmet component is used to set the title and meta description for the home page of the React app. This configuration ensures that when the home page is rendered, the document head will include these elements important for SEO and social media sharing.

React Helmet and Server-Side Rendering (SSR)

SSR is a technique designed to improve the performance and SEO of JavaScript-heavy apps, such as those developed using React. SSR generates the complete HTML for a page on the server before sending it to the client, allowing search engines to crawl the content more effectively.
React Helmet plays a vital role in SSR by allowing developers to manage head elements for each rendered page on the server. This ensures that when a search engine or social media crawler requests a page, it receives all the necessary meta tags and title tags that help index the content accurately.
React Helmet can be integrated into SSR workflows to manage the document head effectively. For instance, after rendering the React components on the server, React Helmet can collect all the head changes made by the components and include them in the server-generated HTML output.

SEO Friendliness and Limitations of React Helmet

React Helmet is a powerful tool for managing the head section of your React application, and it goes a long way in making your app SEO-friendly. By allowing you to dynamically set meta tags, such as meta name description content and other head elements, React Helmet helps ensure that search engines and social media platforms have the correct information to display your content effectively.
However, while it is excellent for managing the head, it could be a silver bullet for SEO. SEO encompasses many factors, including page performance, mobile-friendliness, backlinks, and high-quality content.
It helps with the on-page SEO aspect, but developers should know that a comprehensive SEO strategy involves much more than managing head tags.

Conclusion

In conclusion, It is an essential library for any React developer looking to improve the SEO and shareability of their applications. Developers can ensure that their applications are well-optimized for search engines and social media platforms.
Whether you're a React beginner familiar with advanced techniques or a senior software engineer, mastering React Helmet is a valuable skill in today's web development landscape.
Happy Coding!

Documentation:
https://www.npmjs.com/package/react-helmet#features
https://stackoverflow.com/questions/52690820/what-is-the-purpose-of-react-helmet