# Search Engine Optimization (SEO)

## Overview

SEO stands for Search Engine Optimization, which refers to the practice of optimizing a website's content, structure, and settings to improve its visibility and ranking in search engine results pages (SERPs). The goal of SEO is to increase the quantity and quality of organic traffic to a website from search engines like Google, Bing, and Yahoo.

## How to use

Here we use SEO. The installation method is as follows below.

{% hint style="info" %}
[The official SEO documentation](https://github.com/garmeeh/next-seo)
{% endhint %}

### Step 1: Install the necessary dependencies

The first step is to install the necessary dependencies for SEO in your app. You can do this using npm or yarn, depending on your preference. Here's the command to install the dependencies:

```bash
yarn add next-seo react-helmet
```

### Step 2: Configure your app

Next, you'll need to configure your Next.js project to use the SEO package. To do this, create a `_app.tsx` file in your pages directory if you haven't already, and add the following code:

```tsx
import type { AppProps } from 'next/app';
import { DefaultSeo } from 'next-seo';
import { Helmet } from 'react-helmet';

function MyApp({ Component, pageProps }: AppProps) {
  return (
    <>
      <DefaultSeo
        title="Your Website Title"
        description="Your Website Description"
        openGraph={{
          type: 'website',
          url: 'https://yourwebsite.com',
          title: 'Your Website Title',
          description: 'Your Website Description',
          images: [
            {
              url: 'https://yourwebsite.com/og-image.jpg',
              width: 1200,
              height: 630,
              alt: 'Your Website Title',
            },
          ],
        }}
      />
      <Helmet>
        <html lang="en" />
      </Helmet>
      <Component {...pageProps} />
    </>
  );
}

export default MyApp;
```

In this code snippet, we're importing the `AppProps` type from `next/app` and the `DefaultSeo` and `Helmet` components from the `next-seo` and `react-helmet` packages respectively. We're also setting default SEO values for the title, description, and open graph metadata of our website, and adding a `lang` attribute to our `html` tag for SEO purposes.

### Step 3: Add SEO to your pages

Finally, you'll need to add SEO to your pages using the `NextSeo` component from the `next-seo` package. Here's an example of how to add SEO to a page:

```tsx
import { NextSeo } from 'next-seo';

function Home() {
  return (
    <>
      <NextSeo
        title="Home Page"
        description="This is the home page"
        openGraph={{
          type: 'website',
          url: 'https://yourwebsite.com',
          title: 'Home Page',
          description: 'This is the home page',
          images: [
            {
              url: 'https://yourwebsite.com/og-image.jpg',
              width: 1200,
              height: 630,
              alt: 'Home Page',
            },
          ],
        }}
      />
      <h1>Welcome to my website!</h1>
    </>
  );
}

export default Home;
```

In this code snippet, we're importing the `NextSeo` component from `next-seo`, and setting specific SEO values for the title, description, and open graph metadata of the home page. We're also rendering a `h1` tag with some sample content for the page.
