By age
Parents think in ages. So does this site.
Daycare, magic carpets, parks, and when they can disappear on a blue with a radio.
0–3
Babies & toddlers
You are not skiing much. That can still be a good trip if you pick a mountain that expected a stroller.
3–6
First-time skiers
Magic carpets, tiny helmets, and a ski school that doesn't dump them on a cat-track. This is the age the whole site is built around.
7–12
Progressing kids
The sweet spot. They can ski with you after lunch, they still want ski school in the morning, and a village arcade has not yet become the whole trip.
13–17
Teens
They want a park, a pass, and a town they can disappear into for an hour. You want a mountain that will still take them back at 3:30.