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Swift uses Simple Preloading method to predict resources based on mouse position, then makes your site’s pages instant just in time without any huge effort.

On desktop, by preloading pages right before a visitor clicks on a visible link:
Before a visitor clicks on a link, they hover their mouse over that link. And by this way, Swift helps you start preloading at this moment, and leaving on average over 300 ms for the page to preload. As the result, it does increase their good experience and fasten your page loading speed as well.

On mobile:
Not like desktop, on mobile it will prefetch links when visible in viewport and preload every visible links.

To have more clear experience on how to use Simple Preloading, please refer to our video as the below:

On desktop:

On mobile:

Hope you enjoy Swift and have a wonderful experience!

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