Cookies
How this site uses cookies
This page, in plain words.
Last updated 1 January 2026
What a cookie is here
A cookie is a small text file that a website leaves on your device so it can remember something between pages or between visits. On this site we use them for a short list of practical reasons, set out below. Nothing here lets us read the rest of your device, and none of it tells us who you are by name.
What we store
We keep two kinds of cookie. The necessary ones make the site work — they remember your cookie choice, hold a booking together while you move through it, and keep the site secure. The optional ones are for measurement: they help us count, without naming anyone, which pages people open and where they lose their way, so we can make the site clearer.
Who sets them
Most of the cookies here are our own. A small number come from the trusted services we use to run the site — the payment provider that keeps your booking secure and the measurement tool that helps us understand traffic. We do not allow advertising networks to set cookies on this site, and we do not use them to follow you around other websites.
Who sees what they gather
The information our cookies gather is seen only by us and by the service that set it, each for the single purpose described above. It is not sold, and it is not shared for marketing. The measurement figures we look at are counts and patterns, not a file on any one visitor.
How long they last
Some cookies vanish the moment you close your browser — these are the ones that only hold a session together. Others stay for a set period so the site can remember your choice without asking again on every page; your cookie preference is remembered for about one year. None of them lingers beyond the time it is useful.
How you choose
When you first arrive, a banner asks whether you want the optional cookies. You can accept all of them, reject the optional ones, and the necessary ones stay either way because the site cannot run without them. You are never forced into the optional ones to use the museum's website.
How to change your mind
Your choice is not final. You can reopen the cookie settings at any time using the control, which also sits in the footer of every page. Change your selection there and it takes effect straight away for the rest of your visit.
How to erase them yourself
You can also clear cookies through your browser. Every browser lets you see the cookies a site has set, delete them, and block new ones. If you block everything, the necessary cookies go too, and some parts of the site — like holding a booking together — may stop working as they should. Your browser's help pages explain exactly where these controls live.
What this means for your data
Cookies are one way we handle information about your visit, and they sit alongside everything in our privacy page. If you want the fuller picture of how we treat your information — the legal grounds, how long we keep records, and the rights you hold — read the privacy page, which covers all of it.
When this changes
If we add or drop a cookie, we will update this page and the date at the top. Where a change affects the optional cookies, we may ask for your choice again so your consent stays current and genuine.
If something is not right
If a cookie here puzzles you, or something does not behave as this page describes, tell us. Write to visit@luminart.paris, call 01 42 68 53 17, or come to the desk at Luminart, 18 Rue de Rivoli, 75004 Paris, and we will put it right.