Set your preferences
Data & Design uses the Piwik (Matomo) tool to measure the audience of the website and therefore measure the number of visitors to the site. The cookies stored on your browser are necessary to the functionning of the website (fr) and enable its proper administration through the production of anonymous statistical data.
These cookies do not require consent and are deposited when you arrive on the website, which explains the absence of a cookie banner on the website. If you no longer wish to participate in this collection and use of your data, you can object by selecting the “Reject” button and then clicking on the “Save my choice” button.
Details on the stored cookies
In the table below, you will find additional information on the three cookies stored to measure the audience on the website.
Cookie Name
piwik_ignore
Purpose
Skip the Piwik audience measurement
Retention period
12 months
_pk_id.nnnnn
Store your unique visit identifier (when Piwik audience measurement is on)
6 months
_pk_ses.nnnnn
Temporarily store your visit data (when Piwik audience measurement is on)
30 mn