In short, create-react-app is not good for SEO.
Search engines and social media look for SEO meta tags on the website. Based on these meta tags, display formated content to the user.
By default in create-react-app, metatag like title and description mentioned in
public/index.html. When the page loads, the default title shows in the tab of the browser and for every route, it follows the same.
What if, you are fetching an article post from an API and after fetching the data, it updates the value of title and description. But the default title shows up in the SEO, not the fetching title. If your app depends on SEO then it is a huge problem.
You need to prerender the create-react-app. To prerender, You can download either of two npm package as below:
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