I know the user causing those log entries personally. They use Opera Mini on an ancient SymbianOS phone.
Yes, it works like you describe. They use a compressed protocol between the client and the proxy. The DOM might not even be based on HTML, not sure about that.
> The DOM might not even be based on HTML, not sure about that.
IIRC the page is loaded server side, javascript executed, and then essentially a screenshot taken, and some markup to show where the links and buttons are.
Yes, it works like you describe. They use a compressed protocol between the client and the proxy. The DOM might not even be based on HTML, not sure about that.