diff -r 8e38010d421b -r a3c6f244dbc1 web/client.php
--- a/web/client.php	Wed Dec 11 15:04:47 2019 +0100
+++ b/web/client.php	Wed Dec 11 17:55:20 2019 +0100
@@ -313,15 +313,45 @@
 
                 <div class="embedbar">
                     <a class="embedbutton" href="<?php echo(URL_ROOT.$rep)?>/live_embed_form.php">Intégrer</a>
-                    <!-- AddThis Button BEGIN -->
-                    <div class="addthis_toolbox addthis_default_style addthis_32x32_style">
-                        <a class="addthis_button_facebook"></a>
-                        <a class="addthis_button_twitter"></a>
-                        <a class="addthis_button_email"></a>
-                        <a class="addthis_button_compact"></a>
+                    <?php
+                    $share_title = "Polemic Tweet - ".$translate->_('config__title');
+                    $share_url = rtrim(URL_ROOT,"/").$rep;
+                    $share_description = strip_tags(preg_replace('/<\s?br\s*\\?>/i', "\n", str_replace("&nbsp;", " ", $translate->_('config__abstract'))));
+                    ?>
+                    <!-- cf. https://sharingbuttons.io/ -->
+                    <div class="share_toolbox">
+                        <!-- Sharingbutton Twitter -->
+                        <a class="resp-sharing-button__link" href="https://twitter.com/intent/tweet/?text=<?php echo urlencode("$share_title - $share_url"); ?>&amp;url=<?php echo rawurlencode($share_url); ?>" target="_blank" rel="noopener" aria-label="">
+                          <div class="resp-sharing-button resp-sharing-button--twitter resp-sharing-button--small"><div aria-hidden="true" class="resp-sharing-button__icon resp-sharing-button__icon--solid">
+                            <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M23.44 4.83c-.8.37-1.5.38-2.22.02.93-.56.98-.96 1.32-2.02-.88.52-1.86.9-2.9 1.1-.82-.88-2-1.43-3.3-1.43-2.5 0-4.55 2.04-4.55 4.54 0 .36.03.7.1 1.04-3.77-.2-7.12-2-9.36-4.75-.4.67-.6 1.45-.6 2.3 0 1.56.8 2.95 2 3.77-.74-.03-1.44-.23-2.05-.57v.06c0 2.2 1.56 4.03 3.64 4.44-.67.2-1.37.2-2.06.08.58 1.8 2.26 3.12 4.25 3.16C5.78 18.1 3.37 18.74 1 18.46c2 1.3 4.4 2.04 6.97 2.04 8.35 0 12.92-6.92 12.92-12.93 0-.2 0-.4-.02-.6.9-.63 1.96-1.22 2.56-2.14z"/></svg>
+                            </div>
+                          </div>
+                        </a>
+
+                        <!-- Sharingbutton Facebook -->
+                        <a class="resp-sharing-button__link" href="https://facebook.com/sharer/sharer.php?t=<?php echo rawurlencode($share_title); ?>&amp;u=<?php echo rawurlencode($share_url); ?>" target="_blank" rel="noopener" aria-label="">
+                          <div class="resp-sharing-button resp-sharing-button--facebook resp-sharing-button--small"><div aria-hidden="true" class="resp-sharing-button__icon resp-sharing-button__icon--solid">
+                            <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M18.77 7.46H14.5v-1.9c0-.9.6-1.1 1-1.1h3V.5h-4.33C10.24.5 9.5 3.44 9.5 5.32v2.15h-3v4h3v12h5v-12h3.85l.42-4z"/></svg>
+                            </div>
+                          </div>
+                        </a>
+
+                        <!-- Sharingbutton Telegram -->
+                        <a class="resp-sharing-button__link" href="https://telegram.me/share/url?text=<?php echo rawurlencode("$share_description"); ?>&amp;url=<?php echo rawurlencode($share_url); ?>" target="_blank" rel="noopener" aria-label="">
+                          <div class="resp-sharing-button resp-sharing-button--telegram resp-sharing-button--small"><div aria-hidden="true" class="resp-sharing-button__icon resp-sharing-button__icon--solid">
+                              <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M.707 8.475C.275 8.64 0 9.508 0 9.508s.284.867.718 1.03l5.09 1.897 1.986 6.38a1.102 1.102 0 0 0 1.75.527l2.96-2.41a.405.405 0 0 1 .494-.013l5.34 3.87a1.1 1.1 0 0 0 1.046.135 1.1 1.1 0 0 0 .682-.803l3.91-18.795A1.102 1.102 0 0 0 22.5.075L.706 8.475z"/></svg>
+                            </div>
+                          </div>
+                        </a>
+
+                        <!-- Sharingbutton E-Mail -->
+                        <a class="resp-sharing-button__link" href="mailto:?subject=<?php echo rawurlencode($share_title); ?>&amp;body=<?php echo rawurlencode("$share_description - $share_url"); ?>" target="_self" rel="noopener" aria-label="">
+                          <div class="resp-sharing-button resp-sharing-button--email resp-sharing-button--small"><div aria-hidden="true" class="resp-sharing-button__icon resp-sharing-button__icon--solid">
+                            <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M22 4H2C.9 4 0 4.9 0 6v12c0 1.1.9 2 2 2h20c1.1 0 2-.9 2-2V6c0-1.1-.9-2-2-2zM7.25 14.43l-3.5 2c-.08.05-.17.07-.25.07-.17 0-.34-.1-.43-.25-.14-.24-.06-.55.18-.68l3.5-2c.24-.14.55-.06.68.18.14.24.06.55-.18.68zm4.75.07c-.1 0-.2-.03-.27-.08l-8.5-5.5c-.23-.15-.3-.46-.15-.7.15-.22.46-.3.7-.14L12 13.4l8.23-5.32c.23-.15.54-.08.7.15.14.23.07.54-.16.7l-8.5 5.5c-.08.04-.17.07-.27.07zm8.93 1.75c-.1.16-.26.25-.43.25-.08 0-.17-.02-.25-.07l-3.5-2c-.24-.13-.32-.44-.18-.68s.44-.32.68-.18l3.5 2c.24.13.32.44.18.68z"/></svg>
+                            </div>
+                          </div>
+                        </a>
                     </div>
-                    <script type="text/javascript" src="https://s7.addthis.com/js/250/addthis_widget.js"></script>
-                    <!-- AddThis Button END -->
                 </div>
                 <ul id="onglets">
 <?php if (isset($config['semantic_board']) or isset($config['knowtex_url'])) { ?>