react-helmet vs react-helmet-async vs react-meta-tags
React Meta Tag Management Libraries Comparison
1 Year
react-helmetreact-helmet-asyncreact-meta-tagsSimilar Packages:
What's React Meta Tag Management Libraries?

Meta tag management libraries for React facilitate the dynamic updating of document head elements, such as title, description, and other meta tags, which are crucial for SEO and social sharing. These libraries allow developers to manage these tags declaratively within their React components, ensuring that the correct information is rendered for each page or component. This is particularly important in single-page applications (SPAs) where traditional server-side rendering does not automatically update the document head. By using these libraries, developers can enhance their application's SEO performance and improve user experience by providing relevant metadata for each view.

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react-helmet2,002,22917,448-2225 years agoMIT
react-helmet-async1,902,3802,18986.3 kB7310 months agoApache-2.0
react-meta-tags20,92322962 kB35-MIT
Feature Comparison: react-helmet vs react-helmet-async vs react-meta-tags

Asynchronous Support

  • react-helmet:

    React Helmet does not natively support asynchronous rendering, which can lead to issues in server-side rendered applications where meta tags need to be updated before the page is sent to the client.

  • react-helmet-async:

    React Helmet Async is designed specifically to handle asynchronous rendering, making it ideal for server-side rendered applications. It ensures that meta tags are correctly populated before the HTML is sent to the client, preventing race conditions and ensuring the right content is displayed.

  • react-meta-tags:

    React Meta Tags does not provide built-in support for asynchronous operations, making it less suitable for applications that require server-side rendering or complex routing scenarios.

Ease of Use

  • react-helmet:

    React Helmet offers a straightforward API that is easy to integrate into existing React applications. It allows developers to define meta tags directly within their components, making it intuitive to manage head elements.

  • react-helmet-async:

    React Helmet Async maintains a similar API to React Helmet but adds complexity due to its asynchronous capabilities. While it is still user-friendly, developers may need to understand additional concepts related to asynchronous rendering.

  • react-meta-tags:

    React Meta Tags provides a very simple API for managing meta tags, making it easy to use for developers who want a lightweight solution without the overhead of additional features.

Performance

  • react-helmet:

    Performance is generally good with React Helmet for client-side rendered applications, but it may struggle with SSR scenarios where meta tags need to be rendered before the page load.

  • react-helmet-async:

    React Helmet Async is optimized for performance in SSR applications, ensuring that meta tags are rendered efficiently and correctly before the initial page load, which can enhance SEO and user experience.

  • react-meta-tags:

    React Meta Tags is lightweight and performs well in client-side rendered applications, but it may not be suitable for performance-critical SSR applications due to its lack of asynchronous support.

SEO Optimization

  • react-helmet:

    React Helmet allows for effective SEO management by enabling developers to dynamically set meta tags based on the current view, which is essential for search engine indexing and social sharing.

  • react-helmet-async:

    React Helmet Async enhances SEO capabilities in server-side rendered applications, ensuring that the correct meta tags are available for crawlers before the page is delivered to the client, improving indexing and visibility.

  • react-meta-tags:

    React Meta Tags supports basic SEO optimization by allowing dynamic meta tag management, but it may not provide the same level of control and performance as the other two options in SSR scenarios.

Community and Support

  • react-helmet:

    React Helmet has a large user base and community support, making it easy to find resources, documentation, and solutions to common issues.

  • react-helmet-async:

    React Helmet Async, being a variant of React Helmet, benefits from the same community support, but may have fewer resources specifically addressing its asynchronous capabilities.

  • react-meta-tags:

    React Meta Tags has a smaller community compared to the other two libraries, which may result in fewer resources and community-driven solutions.

How to Choose: react-helmet vs react-helmet-async vs react-meta-tags
  • react-helmet:

    Choose React Helmet if you need a simple, straightforward solution for managing document head tags in a React application without the need for asynchronous rendering. It is well-suited for applications that do not require server-side rendering or complex state management.

  • react-helmet-async:

    Opt for React Helmet Async if your application requires support for asynchronous rendering, such as when using server-side rendering (SSR) or when you need to manage meta tags in a more complex routing setup. It allows for better performance and avoids issues with race conditions when rendering meta tags asynchronously.

  • react-meta-tags:

    Select React Meta Tags if you prefer a lightweight solution that focuses on simplicity and ease of use. It is particularly useful for applications that do not require advanced features like asynchronous rendering but still need to manage meta tags effectively.

README for react-helmet

React Helmet

npm Version codecov.io Build Status Dependency Status PRs Welcome

This reusable React component will manage all of your changes to the document head.

Helmet takes plain HTML tags and outputs plain HTML tags. It's dead simple, and React beginner friendly.

6.0.0 Breaking Changes

Example

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

class Application extends React.Component {
  render () {
    return (
        <div className="application">
            <Helmet>
                <meta charSet="utf-8" />
                <title>My Title</title>
                <link rel="canonical" href="http://mysite.com/example" />
            </Helmet>
            ...
        </div>
    );
  }
};

Nested or latter components will override duplicate changes:

<Parent>
    <Helmet>
        <title>My Title</title>
        <meta name="description" content="Helmet application" />
    </Helmet>

    <Child>
        <Helmet>
            <title>Nested Title</title>
            <meta name="description" content="Nested component" />
        </Helmet>
    </Child>
</Parent>

outputs:

<head>
    <title>Nested Title</title>
    <meta name="description" content="Nested component">
</head>

See below for a full reference guide.

Features

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

Compatibility

Helmet 5 is fully backward-compatible with previous Helmet releases, so you can upgrade at any time without fear of breaking changes. We encourage you to update your code to our more semantic API, but please feel free to do so at your own pace.

Installation

Yarn:

yarn add react-helmet

npm:

npm install --save react-helmet

Server Usage

To use on the server, call Helmet.renderStatic() after ReactDOMServer.renderToString or ReactDOMServer.renderToStaticMarkup to get the head data for use in your prerender.

Because this component keeps track of mounted instances, you have to make sure to call renderStatic on server, or you'll get a memory leak.

ReactDOMServer.renderToString(<Handler />);
const helmet = Helmet.renderStatic();

This helmet instance contains the following properties:

  • base
  • bodyAttributes
  • htmlAttributes
  • link
  • meta
  • noscript
  • script
  • style
  • title

Each property contains toComponent() and toString() methods. Use whichever is appropriate for your environment. For attributes, use the JSX spread operator on the object returned by toComponent(). E.g:

As string output

const html = `
    <!doctype html>
    <html ${helmet.htmlAttributes.toString()}>
        <head>
            ${helmet.title.toString()}
            ${helmet.meta.toString()}
            ${helmet.link.toString()}
        </head>
        <body ${helmet.bodyAttributes.toString()}>
            <div id="content">
                // React stuff here
            </div>
        </body>
    </html>
`;

As React components

function HTML () {
    const htmlAttrs = helmet.htmlAttributes.toComponent();
    const bodyAttrs = helmet.bodyAttributes.toComponent();

    return (
        <html {...htmlAttrs}>
            <head>
                {helmet.title.toComponent()}
                {helmet.meta.toComponent()}
                {helmet.link.toComponent()}
            </head>
            <body {...bodyAttrs}>
                <div id="content">
                    // React stuff here
                </div>
            </body>
        </html>
    );
}

Note: Use the same instance

If you are using a prebuilt compilation of your app with webpack in the server be sure to include this in the webpack file so that the same instance of react-helmet is used.

externals: ["react-helmet"],

Or to import the react-helmet instance from the app on the server.

Reference Guide

<Helmet
    {/* (optional) set to false to disable string encoding (server-only) */}
    encodeSpecialCharacters={true}

    {/*
        (optional) Useful when you want titles to inherit from a template:

        <Helmet
            titleTemplate="%s | MyAwesomeWebsite.com"
        >
            <title>Nested Title</title>
        </Helmet>

        outputs:

        <head>
            <title>Nested Title | MyAwesomeWebsite.com</title>
        </head>
    */}
    titleTemplate="MySite.com - %s"

    {/*
        (optional) used as a fallback when a template exists but a title is not defined

        <Helmet
            defaultTitle="My Site"
            titleTemplate="My Site - %s"
        />

        outputs:

        <head>
            <title>My Site</title>
        </head>
    */}
    defaultTitle="My Default Title"

    {/* (optional) callback that tracks DOM changes */}
    onChangeClientState={(newState, addedTags, removedTags) => console.log(newState, addedTags, removedTags)}
>
    {/* html attributes */}
    <html lang="en" amp />

    {/* body attributes */}
    <body className="root" />

    {/* title attributes and value */}
    <title itemProp="name" lang="en">My Plain Title or {`dynamic`} title</title>

    {/* base element */}
    <base target="_blank" href="http://mysite.com/" />

    {/* multiple meta elements */}
    <meta name="description" content="Helmet application" />
    <meta property="og:type" content="article" />

    {/* multiple link elements */}
    <link rel="canonical" href="http://mysite.com/example" />
    <link rel="apple-touch-icon" href="http://mysite.com/img/apple-touch-icon-57x57.png" />
    <link rel="apple-touch-icon" sizes="72x72" href="http://mysite.com/img/apple-touch-icon-72x72.png" />
    {locales.map((locale) => {
        <link rel="alternate" href="http://example.com/{locale}" hrefLang={locale} key={locale}/>
    })}

    {/* multiple script elements */}
    <script src="http://include.com/pathtojs.js" type="text/javascript" />

    {/* inline script elements */}
    <script type="application/ld+json">{`
        {
            "@context": "http://schema.org"
        }
    `}</script>

    {/* noscript elements */}
    <noscript>{`
        <link rel="stylesheet" type="text/css" href="foo.css" />
    `}</noscript>

    {/* inline style elements */}
    <style type="text/css">{`
        body {
            background-color: blue;
        }

        p {
            font-size: 12px;
        }
    `}</style>
</Helmet>

Contributing to this project

Please take a moment to review the guidelines for contributing.

License

MIT