When each island came
Reactdata-load="eager"

Waiting to load ...

Preactdata-load="eager"

Waiting to load ...

Vuedata-load="idle"

Waiting to load ...

Soliddata-load="idle"

Waiting to load ...

Sveltedata-load="visible"

Far down the page - the island below loads only when it scrolls into view. Scroll on.

Sveltedata-load="visible"

Not loaded yet - it is not in view.