Preloading Divi's icon fonts can significantly enhance your website's performance by ensuring icons load quickly and smoothly. This proactive step helps improve page load times and provides a better user experience, especially for visitors using slower connections.

Sometimes, you may have an issue with the Icon font taking a little bit more time to load.

This can result in weird numbers and symbols showing for a few seconds while the page is loading instead of the actual icons.

Using services such as Google Page Speed Insights you might see a report regarding the Preload key requests issue and recommending adding preload for modules.ttf file:

To fix this, you can add preload to the icons font file following these steps:

In the above code, change https://yoursite.com with your main site home page URL.