diff --git a/atlas/atlasRoutes.py b/atlas/atlasRoutes.py
index 21b95163d..1335d50e9 100644
--- a/atlas/atlasRoutes.py
+++ b/atlas/atlasRoutes.py
@@ -207,12 +207,18 @@ def index():
     connection.close()
     session.close()
 
+    personal_data = False
+    args_personal_data = request.args.get("personal_data")
+    if args_personal_data and args_personal_data.lower() == "true":
+        personal_data = True
+
     return render_template(
         "templates/home/_main.html",
         observations=observations,
         mostViewTaxon=mostViewTaxon,
         customStatMedias=customStatMedias,
         lastDiscoveries=lastDiscoveries,
+        personal_data=personal_data,
     )
 
 
diff --git a/atlas/static/custom/templates/footer.html.sample b/atlas/static/custom/templates/footer.html.sample
index 4ce976035..512c74956 100644
--- a/atlas/static/custom/templates/footer.html.sample
+++ b/atlas/static/custom/templates/footer.html.sample
@@ -74,22 +74,30 @@
 </div>
 {% endif %}
 
-{% if configuration.ID_GOOGLE_ANALYTICS != "UA-xxxxxxx-xx" %}
-    <!-- Script Google Analytics -->
-    <script>
-        (function (i, s, o, g, r, a, m) {
-            i['GoogleAnalyticsObject'] = r;
-            i[r] = i[r] || function () {
-                (i[r].q = i[r].q || []).push(arguments)
-            }, i[r].l = 1 * new Date();
-            a = s.createElement(o),
-                m = s.getElementsByTagName(o)[0];
-            a.async = 1;
-            a.src = g;
-            m.parentNode.insertBefore(a, m)
-        })(window, document, 'script', 'https://www.google-analytics.com/analytics.js', 'ga');
+<!-- Check ID_GOOGLE_ANALYTICS to keep compability with old Geonature-atlas -->
+{% if configuration.OREJIME_APPS|length > 0 %}
+    <!-- Sample script Analytics Google -->
+    {% for app in configuration.OREJIME_APPS %}
+        {% if app.name == "scripts-gtm" %}
+            <script
+                    type="opt-in"
+                    data-type="application/javascript"
+                    data-name="scripts-gtm">
+                (function (i, s, o, g, r, a, m) {
+                    i['GoogleAnalyticsObject'] = r;
+                    i[r] = i[r] || function () {
+                        (i[r].q = i[r].q || []).push(arguments)
+                    }, i[r].l = 1 * new Date();
+                    a = s.createElement(o),
+                        m = s.getElementsByTagName(o)[0];
+                    a.async = 1;
+                    a.src = g;
+                    m.parentNode.insertBefore(a, m)
+                })(window, document, 'script', 'https://www.google-analytics.com/analytics.js', 'ga');
 
-        ga('create', '{{configuration.ID_GOOGLE_ANALYTICS}}', 'auto');
-        ga('send', 'pageview');
-    </script>
+                ga('create', '{{configuration.ID_GOOGLE_ANALYTICS}}', 'auto');
+                ga('send', 'pageview');
+            </script>
+        {%  endif %}
+    {% endfor %}
 {% endif %}
diff --git a/atlas/static/main.js b/atlas/static/main.js
index 92fb2f89f..b4d26360b 100644
--- a/atlas/static/main.js
+++ b/atlas/static/main.js
@@ -139,3 +139,21 @@ if (configuration.GLOSSAIRE) {
     });
   });
 }
+
+
+var orejimeConfig = {
+    elementID: "orejime",
+    appElement: "main",
+    cookieName: "orejime",
+    cookieExpiresAfterDays: 365,
+    privacyPolicy: "/?personal_data=true",
+    default: true,
+    mustConsent: false,
+    mustNotice: false,
+    lang: configuration.DEFAULT_LANGUAGE,
+    logo: false,
+    debug: configuration.modeDebug,
+    translations: configuration.OREJIME_TRANSLATIONS,
+    apps: configuration.OREJIME_APPS,
+    categories: configuration.OREJIME_CATEGORIES
+}
diff --git a/atlas/static/package-lock.json b/atlas/static/package-lock.json
index f8dfea67a..e41de16a2 100644
--- a/atlas/static/package-lock.json
+++ b/atlas/static/package-lock.json
@@ -398,6 +398,14 @@
         "@babel/helper-plugin-utils": "^7.14.5"
       }
     },
+    "@babel/runtime": {
+      "version": "7.25.7",
+      "resolved": "https://registry.npmjs.org/@babel/runtime/-/runtime-7.25.7.tgz",
+      "integrity": "sha512-FjoyLe754PMiYsFaN5C94ttGiOmBNYTf6pLr4xXHAT5uctHb092PBszndLDR5XA/jghQvn4n7JMHl7dmTgbm9w==",
+      "requires": {
+        "regenerator-runtime": "^0.14.0"
+      }
+    },
     "@babel/template": {
       "version": "7.14.5",
       "resolved": "https://registry.npmjs.org/@babel/template/-/template-7.14.5.tgz",
@@ -1443,6 +1451,11 @@
         "strip-final-newline": "^2.0.0"
       }
     },
+    "exenv": {
+      "version": "1.2.2",
+      "resolved": "https://registry.npmjs.org/exenv/-/exenv-1.2.2.tgz",
+      "integrity": "sha512-Z+ktTxTwv9ILfgKCk32OX3n/doe+OcLTRtqK9pcL+JsP3J1/VW8Uvl4ZjLlKqeW4rzK4oesDOGMEMRIZqtP4Iw=="
+    },
     "exit": {
       "version": "0.1.2",
       "resolved": "https://registry.npmjs.org/exit/-/exit-0.1.2.tgz",
@@ -2330,8 +2343,7 @@
     "js-tokens": {
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/js-tokens/-/js-tokens-4.0.0.tgz",
-      "integrity": "sha512-RdJUflcE3cUzKiMqQgsCu06FPu9UdIJO0beYbPhHN4k6apgJtifcoCtT9bcxOpYBtpD2kCM6Sbzg4CausW/PKQ==",
-      "dev": true
+      "integrity": "sha512-RdJUflcE3cUzKiMqQgsCu06FPu9UdIJO0beYbPhHN4k6apgJtifcoCtT9bcxOpYBtpD2kCM6Sbzg4CausW/PKQ=="
     },
     "js-yaml": {
       "version": "3.14.1",
@@ -2462,6 +2474,14 @@
       "integrity": "sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg==",
       "dev": true
     },
+    "loose-envify": {
+      "version": "1.4.0",
+      "resolved": "https://registry.npmjs.org/loose-envify/-/loose-envify-1.4.0.tgz",
+      "integrity": "sha512-lyuxPGr/Wfhrlem2CL/UcnUc1zcqKAImBDzukY7Y5F/yQiNdko6+fRLevlw1HgMySw7f611UIY408EtxRSoK3Q==",
+      "requires": {
+        "js-tokens": "^3.0.0 || ^4.0.0"
+      }
+    },
     "lru-cache": {
       "version": "6.0.0",
       "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-6.0.0.tgz",
@@ -2586,6 +2606,11 @@
       "integrity": "sha512-h2AatdwYH+JHiZpv7pt/gSX1XoRGb7L/qSIeuqA6GwYoF9w1vP1cw42TO0aI2pNyshRK5893hNSl+1//vHK7hQ==",
       "dev": true
     },
+    "object-assign": {
+      "version": "4.1.1",
+      "resolved": "https://registry.npmjs.org/object-assign/-/object-assign-4.1.1.tgz",
+      "integrity": "sha512-rJgTQnkUnH1sFw8yT6VSU3zD3sWmu6sZhIseY8VX+GRu3P6F7Fu+JNDoXfklElbLJSnc3FUQHVe4cU5hj+BcUg=="
+    },
     "once": {
       "version": "1.4.0",
       "resolved": "https://registry.npmjs.org/once/-/once-1.4.0.tgz",
@@ -2618,6 +2643,15 @@
         "word-wrap": "~1.2.3"
       }
     },
+    "orejime": {
+      "version": "2.3.0",
+      "resolved": "https://registry.npmjs.org/orejime/-/orejime-2.3.0.tgz",
+      "integrity": "sha512-eDUgd5yEF5pCIUHPNXVDKmgH+4k4GEwxU7eexBFeVESba3ZYDHSDq4ULXiF2LnZwxg+H6Qi28o8rGfGxNeOriA==",
+      "requires": {
+        "@babel/runtime": "^7.1.2",
+        "react-modal": "^3.13.1"
+      }
+    },
     "p-each-series": {
       "version": "2.2.0",
       "resolved": "https://registry.npmjs.org/p-each-series/-/p-each-series-2.2.0.tgz",
@@ -2743,6 +2777,23 @@
         "sisteransi": "^1.0.5"
       }
     },
+    "prop-types": {
+      "version": "15.8.1",
+      "resolved": "https://registry.npmjs.org/prop-types/-/prop-types-15.8.1.tgz",
+      "integrity": "sha512-oj87CgZICdulUohogVAR7AjlC0327U4el4L6eAvOqCeudMDVU0NThNaV+b9Df4dXgSP1gXMTnPdhfe/2qDH5cg==",
+      "requires": {
+        "loose-envify": "^1.4.0",
+        "object-assign": "^4.1.1",
+        "react-is": "^16.13.1"
+      },
+      "dependencies": {
+        "react-is": {
+          "version": "16.13.1",
+          "resolved": "https://registry.npmjs.org/react-is/-/react-is-16.13.1.tgz",
+          "integrity": "sha512-24e6ynE2H+OKt4kqsOvNd8kBpV65zoxbA4BVsEOB3ARVWQki/DHzaUoC5KuON/BiccDaCCTZBuOcfZs70kR8bQ=="
+        }
+      }
+    },
     "psl": {
       "version": "1.8.0",
       "resolved": "https://registry.npmjs.org/psl/-/psl-1.8.0.tgz",
@@ -2769,6 +2820,27 @@
       "integrity": "sha512-w2GsyukL62IJnlaff/nRegPQR94C/XXamvMWmSHRJ4y7Ts/4ocGRmTHvOs8PSE6pB3dWOrD/nueuU5sduBsQ4w==",
       "dev": true
     },
+    "react-lifecycles-compat": {
+      "version": "3.0.4",
+      "resolved": "https://registry.npmjs.org/react-lifecycles-compat/-/react-lifecycles-compat-3.0.4.tgz",
+      "integrity": "sha512-fBASbA6LnOU9dOU2eW7aQ8xmYBSXUIWr+UmF9b1efZBazGNO+rcXT/icdKnYm2pTwcRylVUYwW7H1PHfLekVzA=="
+    },
+    "react-modal": {
+      "version": "3.16.1",
+      "resolved": "https://registry.npmjs.org/react-modal/-/react-modal-3.16.1.tgz",
+      "integrity": "sha512-VStHgI3BVcGo7OXczvnJN7yT2TWHJPDXZWyI/a0ssFNhGZWsPmB8cF0z33ewDXq4VfYMO1vXgiv/g8Nj9NDyWg==",
+      "requires": {
+        "exenv": "^1.2.0",
+        "prop-types": "^15.7.2",
+        "react-lifecycles-compat": "^3.0.0",
+        "warning": "^4.0.3"
+      }
+    },
+    "regenerator-runtime": {
+      "version": "0.14.1",
+      "resolved": "https://registry.npmjs.org/regenerator-runtime/-/regenerator-runtime-0.14.1.tgz",
+      "integrity": "sha512-dYnhHh0nJoMfnkZs6GmmhFknAGRrLznOu5nc9ML+EJxGvrx6H7teuevqVqCuPcPK//3eDrrjQhehXVx9cnkGdw=="
+    },
     "require-directory": {
       "version": "2.1.1",
       "resolved": "https://registry.npmjs.org/require-directory/-/require-directory-2.1.1.tgz",
@@ -3135,6 +3207,14 @@
         "makeerror": "1.0.x"
       }
     },
+    "warning": {
+      "version": "4.0.3",
+      "resolved": "https://registry.npmjs.org/warning/-/warning-4.0.3.tgz",
+      "integrity": "sha512-rpJyN222KWIvHJ/F53XSZv0Zl/accqHR8et1kpaMTD/fLCRxtV8iX8czMzY7sVZupTI3zcUTg8eycS2kNF9l6w==",
+      "requires": {
+        "loose-envify": "^1.0.0"
+      }
+    },
     "webidl-conversions": {
       "version": "6.1.0",
       "resolved": "https://registry.npmjs.org/webidl-conversions/-/webidl-conversions-6.1.0.tgz",
diff --git a/atlas/static/package.json b/atlas/static/package.json
index 9a3650484..a2b435819 100644
--- a/atlas/static/package.json
+++ b/atlas/static/package.json
@@ -33,6 +33,7 @@
     "leaflet.snogylop": "^0.4.0",
     "leaflet.zoomhome": "^1.0.0",
     "lightbox2": "^2.8.2",
+    "orejime": "^2.3.0",
     "popper.js": "^1.16.0",
     "raphael": "^2.2.0",
     "slick": "^1.12.2",
diff --git a/atlas/templates/core/assets_header.html b/atlas/templates/core/assets_header.html
index 83d4efc86..4ec8ba926 100644
--- a/atlas/templates/core/assets_header.html
+++ b/atlas/templates/core/assets_header.html
@@ -38,4 +38,8 @@
     <link rel="SHORTCUT ICON" href="{{ url_for('static', filename='custom/images/favicon.ico') }}">
     <link rel="stylesheet" href="{{url_for('static', filename='css/atlas.css') }}" />
 
+    <!-- GDPR -->
+    <script src="{{url_for('static', filename='node_modules/orejime/dist/orejime.js') }}"></script>
+    <link rel="stylesheet" href="{{url_for('static', filename='node_modules/orejime/dist/orejime.css') }}" />
+
     {% endblock %}
diff --git a/atlas/templates/home/_main.html b/atlas/templates/home/_main.html
index 3c8c4b5b5..f329ac3ab 100644
--- a/atlas/templates/home/_main.html
+++ b/atlas/templates/home/_main.html
@@ -28,6 +28,12 @@
     </script>
 <script src="{{ url_for('static', filename='index.js') }}"></script>
 
+    {% if personal_data %}
+        <script>
+            $("#modalPersonalData").modal('show');
+        </script>
+    {% endif %}
+
 {% endblock %}
 
 
diff --git a/docs/images/choice_rgpd.png b/docs/images/choice_rgpd.png
new file mode 100644
index 000000000..ac2224050
Binary files /dev/null and b/docs/images/choice_rgpd.png differ
diff --git a/docs/rgpd.rst b/docs/rgpd.rst
new file mode 100644
index 000000000..3588dc48d
--- /dev/null
+++ b/docs/rgpd.rst
@@ -0,0 +1,139 @@
+La RGPD
+=======
+
+À quoi sert la RGPD
+-------------------
+
+Le règlement général sur la protection des données est utilisé afin de protéger les données à caractère personnel.
+
+Où configurer l'application
+---------------------------
+
+Dans le fichier : `atlas/configuration/config.py`
+
+La documentation correspondant à la configuration : https://github.com/empreinte-digitale/orejime
+
+- Définir les applications pour lesquelles il faut bloquer les cookies via la variable **OREJIME_APPS**
+
+::
+
+    OREJIME_APPS = [
+        {
+            "name": "scripts-gtm",
+            "title": "Google Analytics",
+            "cookies": [
+                "_ga",
+                "_gat",
+                "_gid",
+                "__utma",
+                "__utmb",
+                "__utmc",
+                "__utmt",
+                "__utmz",
+            ],
+            "purposes": ["analytics"],
+            "required": False,
+            "optOut": False,
+            "default": True,
+            "onlyOnce": True,
+        },
+        {
+            "name": "second-script",
+            "title": "Deuxième script",
+            "cookies": [
+                "_ga",
+                "_gat",
+                "_gid",
+                "__utma",
+                "__utmb",
+                "__utmc",
+                "__utmt",
+                "__utmz",
+            ],
+            "purposes": ["analytics"],
+            "required": False,
+            "optOut": False,
+            "default": True,
+            "onlyOnce": True,
+        }
+    ]
+
+- Il est possible de surcharger les traductions grâce à la variable : **OREJIME_TRANSLATIONS**
+
+::
+
+    OREJIME_TRANSLATIONS =  {
+        "en": {
+            "consentModal": {
+                "description": "This is an example of how to override an existing translation already used by Orejime",
+            },
+            "inlineTracker": {
+                "description": "Example of an inline tracking script",
+            },
+            "externalTracker": {
+                "description": "Example of an external tracking script",
+            },
+            "purposes": {
+                "analytics": "Analytics",
+                "security": "Security"
+            },
+            "categories": {
+                "analytics": {
+                    "description": "A long form description of the category."
+                }
+            }
+        },
+        }
+
+- Il est possible de catégoriser les applications nécessaires afin de les intégrer dans les choix des utilisateurs.
+
+.. image :: images/choice_rgpd.png
+
+
+::
+
+    OREJIME_CATEGORIES = [
+            {
+                "name": "analytics",
+                "title": "Analytics",
+                "apps": [
+                    "scripts-gtm",
+                    "second-script"
+                ]
+            }
+        ]
+
+Dans le fichier : `atlas/static/custom/templates/footer.html`
+
+- Dans le fichier, rajouter un **if** pour chacun des scripts à exécuter.
+
+Dans cet exemple, il s'agit d'un script de google analitics (le script `scripts-gtm` définit dans la configuration orejime dans le fichier `config.py`).
+
+::
+
+    {% if configuration.OREJIME_APPS|length > 0 %}
+    <!-- Sample script Analytics Google -->
+        {% for app in configuration.OREJIME_APPS %}
+            {% if app.name == "scripts-gtm" %}
+                <script
+                        type="opt-in"
+                        data-type="application/javascript"
+                        data-name="scripts-gtm">
+                    (function (i, s, o, g, r, a, m) {
+                        i['GoogleAnalyticsObject'] = r;
+                        i[r] = i[r] || function () {
+                            (i[r].q = i[r].q || []).push(arguments)
+                        }, i[r].l = 1 * new Date();
+                        a = s.createElement(o),
+                            m = s.getElementsByTagName(o)[0];
+                        a.async = 1;
+                        a.src = g;
+                        m.parentNode.insertBefore(a, m)
+                    })(window, document, 'script', 'https://www.google-analytics.com/analytics.js', 'ga');
+
+                    ga('create', '{{configuration.ID_GOOGLE_ANALYTICS}}', 'auto');
+                    ga('send', 'pageview');
+                </script>
+            {%  endif %}
+        {% endfor %}
+    {% endif %}