Index: gc_lang/fr/oxt/About/About.py
==================================================================
--- gc_lang/fr/oxt/About/About.py
+++ gc_lang/fr/oxt/About/About.py
@@ -80,11 +80,11 @@
             # Infos
             #lblTitle = self._addWidget('lblTitle', 'FixedText', 60, 5, 100, 20, Label = dUI.get('title', "#err"), Align = 0, FontDescriptor = xFD0)            
             lblVersion = self._addWidget('lblVersion', 'FixedText', 5, 90, nLblWidth, 10, Label = dUI.get('version', "#err"), Align = 1, FontDescriptor = xFD2)
             lblLicense = self._addWidget('lblLicense', 'FixedText', 5, 100, nLblWidth, 10, Label = dUI.get('license', "#err"), Align = 1, FontDescriptor = xFD2)
             lblWebsite = self._addWidget('lblWebsite', 'FixedHyperlink', 5, 110, nLblWidth, 10, Label = dUI.get('website', "#err"), Align = 1, \
-                                         URL="http://www.dicollecte.org/", FontDescriptor = xFD1, TextColor = nURLcolor)
+                                         URL="http://www.dicollecte.org/?from=grammalecte-lo", FontDescriptor = xFD1, TextColor = nURLcolor)
 
             # Python version
             self._addWidget('lblpython', 'FixedText', 10, 125, nLblWidth, 10, Align = 1, TextColor = 0x888888, FontDescriptor = xFD2, \
                             Label = dUI.get('pythonver', "#err") + "{0[0]}.{0[1]}.{0[2]}".format(sys.version_info))
 
@@ -92,14 +92,14 @@
             line = self._addWidget('line', 'FixedLine', 10, 140, nLblWidth, 10)
 
             # sponsors
             lblMsg = self._addWidget('lblMsg', 'FixedText', 10, 155, nLblWidth, 10, Label = dUI.get('message', "#err"), FontDescriptor = xFD2, Align = 1)
             lblURL1 = self._addWidget('lblURL1', 'FixedHyperlink', 10, 170, nLblWidth, 10, Label = dUI.get('sponsor', "#err"), \
-                                      Align = 1, URL="http://lamouette.org/", FontDescriptor = xFD3, TextColor = nURLcolor)
+                                      Align = 1, URL="http://lamouette.org/?from=grammalecte-lo", FontDescriptor = xFD3, TextColor = nURLcolor)
             imgSponsor = self._addWidget('imgSponsor', 'ImageControl', 5, 180, 150, 50, ImageURL = sExtPath+"/img/LaMouette_small.png", Border = 0, ScaleMode = 1)
             lblURL2 = self._addWidget('lblURL2', 'FixedHyperlink', 10, 235, nLblWidth, 10, Label = dUI.get('sponsor2', "#err"), \
-                                      Align = 1, URL="https://www.algoo.fr/", FontDescriptor = xFD3, TextColor = nURLcolor)
+                                      Align = 1, URL="https://www.algoo.fr/?from=grammalecte-lo", FontDescriptor = xFD3, TextColor = nURLcolor)
             imgSponsor2 = self._addWidget('imgSponsor2', 'ImageControl', 5, 245, 150, 50, ImageURL = sExtPath+"/img/Algoo_logo.png", Border = 0, ScaleMode = 1)
             lblURL3 = self._addWidget('lblURL3', 'FixedHyperlink', 10, 300, nLblWidth, 10, Label = dUI.get('link', "#err"), \
                                       Align = 1, URL="http://www.dicollecte.org/#thanks", FontDescriptor = xFD1, TextColor = nURLcolor)
             # button            
             #button = self._addWidget('close', 'Button', self.xDialog.Width - 25, self.xDialog.Height - 20, 20, 14, \

Index: gc_lang/fr/tb/content/about.xul
==================================================================
--- gc_lang/fr/tb/content/about.xul
+++ gc_lang/fr/tb/content/about.xul
@@ -19,20 +19,20 @@
   </description>
   <label class="descr">&description1;</label>
   <label class="descr">&description2;</label>
   <label class="stdlabel" value="&version; ${version}" />
   <label class="stdlabel" value="&license; GPL 3" />
-  <label id="website" value="Site web" onclick="openInTabURL('http://grammalecte.net');" />
+  <label id="website" value="Site web" onclick="openInTabURL('http://grammalecte.net/?from=grammalecte-tb');" />
 
   <separator class="groove" orient="horizontal" style="margin: 10px;"/>
 
   <label class="stdlabel" value="&thanks;" />
   <image src="chrome://grammarchecker/skin/LaMouette_small.png" style="cursor: pointer;"
-    onclick="openInTabURL('http://lamouette.org/');" />
+    onclick="openInTabURL('http://lamouette.org/?from=grammalecte-tb');" />
   <label class="stdlabel" value="&amp;" />
   <image src="chrome://grammarchecker/skin/Algoo_logo.png" style="cursor: pointer;"
-    onclick="openInTabURL('https://www.algoo.fr/');" />
+    onclick="openInTabURL('https://www.algoo.fr/?from=grammalecte-tb');" />
   <label id="contrib" value="&contrib;"
     onclick="openInTabURL('https://www.dicollecte.org/#thanks');" />
 
   <script type="application/x-javascript" src="about.js"/>
 </dialog>

Index: gc_lang/fr/xpi/data/about_panel.html
==================================================================
--- gc_lang/fr/xpi/data/about_panel.html
+++ gc_lang/fr/xpi/data/about_panel.html
@@ -55,23 +55,23 @@
         </div>
 
         <footer id="promo">
             <p class="center">
                 <span data-l10n-id="general_info"></span> &nbsp; · &nbsp;
-                <a id="website" class="simplelink" href="http://www.dicollecte.org/" onclick="return false;" data-l10n-id="website"></a>
+                <a id="website" class="simplelink" href="#" onclick="return false;" data-l10n-id="website"></a>
             </p>
         </footer>
         
         <footer id="thanks">
             <p class="center" data-l10n-id="thanks1"></p>
             <p class="center">
-                <a id="mainsponsor" href="http://lamouette.org/" onclick="return false;">
+                <a id="mainsponsor" href="#" onclick="return false;">
                     <img src="img/LaMouette.png" style="border: 1px solid #C0C0C0" />
                 </a>
             </p>
             <p class="center">
-                <a id="mainsponsor2" href="https://www.algoo.fr/" onclick="return false;">
+                <a id="mainsponsor2" href="#" onclick="return false;">
                     <img src="img/Algoo_logo.png" style="border: 1px solid #C0C0C0" />
                 </a>
             </p>
             <p class="center">
                 <a id="othersponsors" class="link" href="https://www.dicollecte.org/#thanks" onclick="return false;">

Index: gc_lang/fr/xpi/data/about_panel.js
==================================================================
--- gc_lang/fr/xpi/data/about_panel.js
+++ gc_lang/fr/xpi/data/about_panel.js
@@ -51,18 +51,18 @@
 document.getElementById('conjugueur').addEventListener("click", function (event) {
 	self.port.emit('openConjugueur');
 });
 
 document.getElementById('website').addEventListener("click", function (event) {
-	self.port.emit('openURL', "http://www.dicollecte.org/");
+	self.port.emit('openURL', "http://www.dicollecte.org/?from=grammalecte-fx");
 });
 
 document.getElementById('mainsponsor').addEventListener("click", function (event) {
-	self.port.emit('openURL', "http://lamouette.org/");
+	self.port.emit('openURL', "http://lamouette.org/?from=grammalecte-fx");
 });
 document.getElementById('mainsponsor2').addEventListener("click", function (event) {
-	self.port.emit('openURL', "https://www.algoo.fr/");
+	self.port.emit('openURL', "https://www.algoo.fr/?from=grammalecte-fx");
 });
 
 document.getElementById('othersponsors').addEventListener("click", function (event) {
 	self.port.emit('openURL', "http://www.dicollecte.org/#thanks");
 });