Climbing the Duomo in Firenze

I booked it here: https://duomo.firenze.it/en/home

Here’s the official website: Duomo Firenze.it
Click on the ticket icon (top of home page), or select “ticket office” when clicking on hamburger icon ( 3 small stacked horizontal lines at top right of home page)

Enjoy your trip!

Just to drill down a little deeper, this is the pass you need to purchase if you want to climb the dome:

https://operaduomofirenze.skiperformance.com/en/store#/en/buy

You'll buy the pass, choose your visit date and time slot under "Buy products" on the right side of the page. They do not sell tickets JUST for the dome. You don't need timed-entry reservations for using the pass for entry to other parts of the complex (museum, baptistry, etc.).

Also:
"Plan your visit by choosing the monuments you want to see, taking into account the recommended visiting times. Register with a valid email address and then make the payment: you will receive an email with the Pass you've chosen and related useful information. Bring it with you: it will be requested at the entrance."

But, the dome must be your first visit on the pass, correct?

It's the Brunelleschi Pass you want for the dome, The page with info about the pass says:

"The monuments included in Brunelleschi Pass can be visited within 3 calendar days from the date selected without time constraints. The validity starts from the date selected for the visit to the Dome."

While it's clear that the 3-day clock starts ticking on the day you have a reservation for the dome, they're not specific about visiting other parts before your dome time slot on the day of the reservation. It was my understanding that you had to do the dome first but ask the question to be sure?

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