What is asynchronous loading in SEO?
When a visitor comes to your website the elements such as the HTML, CSS files, images and Javascript are loaded one by one.
By telling the browser to load Javascript libraries in parallel with other files instead of in sequence can help to speed up the website because it doesn’t block the loading of the rest of the website.
Use the attribute <javascript async src=”file.js”> in your Javascript tags to use this browser function.
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