Hello,

As you can see from the below video, I don’t have such “pages loading” like you.

https://monosnap.com/file/a0HDBplKlwY5WeN0t9Tj8aGpUqX3Ol

Apparently, it can be some third-party plugin influence on your site. Also, you can deactivate all third-party plugins in your theme and then check how the “page loading” will work.

Kind Regards