penguin.co.ukvspenguin.com.au

Penguin.co.uk edges out Penguin.com.au significantly on homepage messaging, 68 to 51. Here's where the gap comes from.

Penguin.co.uk is better at saying who it's for (ICP: 53 vs 18). Penguin.co.uk's targeting is decent, while Penguin.com.au's is generic.

Penguin.co.uk uses a "Premium / Quality Leader" positioning while Penguin.com.au goes with "Price / Value Leader" — fundamentally different approaches to winning the same buyer.