Cookie Policy

Project: DEFI Lab
Website: https://defi-lab.fr

Last updated: March 10, 2026

The defi-lab.fr website is a project led by the Commissariat à l’énergie atomique et aux énergies alternatives (CEA).

1. Introduction

The https://defi-lab.fr website uses cookies and similar technologies in order to:

ensure it functions properly;
remember your consent choices;
measure the website’s audience, only when you consent to it.

2. What is a cookie?

A cookie is a small text file stored on your device when you visit a website. In particular, it helps retain certain browsing information or remember your preferences.

3. Cookies used on the website

Strictly necessary cookies

These cookies are essential for the website to function and do not require your consent.

They are linked in particular to:

WordPress
Elementor / Elementor Pro
WPML
Complianz

In particular, they enable:

technical management of the website;
correct display of pages;
the operation of certain elements of the website;
remembering certain user choices;
language management;
saving your consent preferences.

Retention period for strictly necessary cookies

Consent cookies set by Complianz are retained for 12 months.

The language or session cookie may be retained for the duration of the browsing session.

Audience measurement

The website uses Matomo to measure audience and improve the content provided.

Matomo was chosen for its approach that respects data protection.

Audience measurement cookies are only set after you consent to the “Statistics” category.

If you refuse this category, no audience measurement cookies are set.

When enabled, audience measurement cookies on this website have a retention period of 365 days.

4. Consent

The collection and management of your consent are handled by Complianz.

During your first visit, a banner allows you to:

accept optional cookies;
refuse them;
customize your choices.

Your consent preferences are retained for 12 months.

You can change your choice at any time.

5. Cookie management

You can also configure your browser to block or delete cookies.

Please note: disabling strictly necessary cookies may impair the proper functioning of the website.

6. Your rights

In accordance with the GDPR, you have rights of access, rectification, objection, and deletion of your data.

For any request: dpd@cea.fr

You may also lodge a complaint with the CNIL.