Hairdresser's shop front on a UK high street — The same photo as the hero demo, as exported: JPEG, 1920×1280, 942 KB, one `<img>` without width/height, srcset or a priority hint.

Measurement fixture · "before"

A full-width hero photo, the usual way.

This is how the image ships when nobody optimises it: the editor's JPEG export, a bare image tag. Every other byte of this page is identical to the optimised version, so the Lighthouse difference between the two pages is the image alone. The numbers are on the landing page.

<img src="/images/storefront.jpg" alt="Hairdresser's shop front on a UK high street">