Preloader finishes loading before all page is loaded

Hello Thien,

Firstly, thanks so much for the plugin.

I’m having an issue with it on a more resource intensive website, with a big .json file, which is the background animation.

Basically the preloader finishes loading before this big .json file is finished to download and display. You can see what I mean in the Dropbox provided.

For security reasons, I don’t want the actual website link to be displayed here publicly, but if you can give me a private way to send it to you, I can do it.

The page I need help with: [log in to see the link]