diff --git a/src/1p-filters.html b/src/1p-filters.html
index b1146a09d..ff4cda567 100644
--- a/src/1p-filters.html
+++ b/src/1p-filters.html
@@ -14,7 +14,7 @@
 
 <div id="cloudWidget" class="hide" data-cloud-entry="myFiltersPane"></div>
 
-<p><span data-i18n="1pFormatHint"></span> <a class="fa info" href="https://github.com/gorhill/uBlock/wiki/Static-filter-syntax" target="_blank">&#xf05a;</a></p>
+<p><span data-i18n="1pFormatHint"></span> <a class="fa info" href="https://github.com/gorhill/uBlock/wiki/Static-filter-syntax" target="_blank" rel="noopener noreferrer">&#xf05a;</a></p>
 <p>
     <button id="userFiltersApply" class="custom important" type="button" disabled="true" data-i18n="1pApplyChanges"></button>&ensp;
     <button id="userFiltersRevert" class="custom" type="button" disabled="true" data-i18n="genericRevert"></button>
diff --git a/src/3p-filters.html b/src/3p-filters.html
index 714052ece..27dfc2e8b 100644
--- a/src/3p-filters.html
+++ b/src/3p-filters.html
@@ -32,7 +32,7 @@
 <div id="externalListsDiv">
     <p>
         <span data-i18n="3pExternalListsHint" style="margin: 0 0 0.25em 0; font-size: 13px;"></span>
-        <a class="fa info" href="https://github.com/gorhill/uBlock/wiki/Filter-lists-from-around-the-web" target="_blank">&#xf05a;</a>
+        <a class="fa info" href="https://github.com/gorhill/uBlock/wiki/Filter-lists-from-around-the-web" target="_blank" rel="noopener noreferrer">&#xf05a;</a>
         <textarea id="externalLists" dir="ltr" spellcheck="false"></textarea>
     </div>
 
@@ -43,10 +43,10 @@
             </li>
         <li class="listEntry">
             <input type="checkbox"><!--
-         --><a class="content" type="text/plain" target="_blank" href=""></a>&#8203;<!--
-         --><a class="fa support" href="" target="_blank">&#xf015;</a>&#8203;<!--
+         --><a class="content" type="text/plain" target="_blank" rel="noopener noreferrer" href=""></a>&#8203;<!--
+         --><a class="fa support" href="" target="_blank" rel="noopener noreferrer">&#xf015;</a>&#8203;<!--
          --><a class="fa remove" href="">&#xf00d;</a>&#8203;<!--
-         --><a class="fa mustread" href="" target="_blank">&#xf05a;</a>&#8203;<!--
+         --><a class="fa mustread" href="" target="_blank" rel="noopener noreferrer">&#xf05a;</a>&#8203;<!--
          --><span class="fa status unsecure" title="http">&#xf13e;</span>&#8203;<!--
          --><span class="counts dim"></span>&#8203;<!--
          --><span class="fa status obsolete" title="3pExternalListObsolete">&#xf071;</span>&#8203;<!--
diff --git a/src/about.html b/src/about.html
index 842088d95..063987688 100644
--- a/src/about.html
+++ b/src/about.html
@@ -22,8 +22,8 @@
             <li><a href="https://github.com/gorhill/uBlock/graphs/contributors">Github</a>
             <li><a href="https://crowdin.net/project/ublock">Crowdin</a>
         </ul>
-    <li><a href="https://github.com/bestiejs/punycode.js" target="_blank">Punycode.js</a> by <a href="https://github.com/mathiasbynens">Mathias Bynens</a>
-    <li><a href="http://fontawesome.io" target="_blank">Font Awesome</a> by <a href="https://github.com/davegandy">Dave Gandy</a>
+    <li><a href="https://github.com/bestiejs/punycode.js" target="_blank" rel="noopener noreferrer">Punycode.js</a> by <a href="https://github.com/mathiasbynens">Mathias Bynens</a>
+    <li><a href="http://fontawesome.io" target="_blank" rel="noopener noreferrer">Font Awesome</a> by <a href="https://github.com/davegandy">Dave Gandy</a>
 </ul>
 
 <script src="js/vapi-common.js"></script>
diff --git a/src/advanced-settings.html b/src/advanced-settings.html
index da18ac34a..55ef99cec 100644
--- a/src/advanced-settings.html
+++ b/src/advanced-settings.html
@@ -10,7 +10,7 @@
 </head>
 
 <body>
-<p><span data-i18n="advancedSettingsWarning"></span> <a class="fa info important" href="https://github.com/gorhill/uBlock/wiki/Advanced-settings" target="_blank">&#xf05a;</a>
+<p><span data-i18n="advancedSettingsWarning"></span> <a class="fa info important" href="https://github.com/gorhill/uBlock/wiki/Advanced-settings" target="_blank" rel="noopener noreferrer">&#xf05a;</a>
 <p>
     <button id="advancedSettingsApply" class="custom important" type="button" disabled="true" data-i18n="genericApplyChanges"></button>&ensp;
 <p><textarea id="advancedSettings" dir="auto" spellcheck="false"></textarea>
diff --git a/src/settings.html b/src/settings.html
index 39646a3a5..f96381519 100644
--- a/src/settings.html
+++ b/src/settings.html
@@ -17,18 +17,18 @@
     <li><input id="context-menu-enabled" type="checkbox" data-setting-name="contextMenuEnabled" data-setting-type="bool"><label data-i18n="settingsContextMenuPrompt" for="context-menu-enabled"></label>
     <li><input id="tooltips-disabled" type="checkbox" data-setting-name="tooltipsDisabled" data-setting-type="bool"><label data-i18n="settingsTooltipsPrompt" for="tooltips-disabled"></label>
     <li><input id="color-blind-friendly" type="checkbox" data-setting-name="colorBlindFriendly" data-setting-type="bool"><label data-i18n="settingsColorBlindPrompt" for="color-blind-friendly"></label>
-    <li><input id="cloud-storage-enabled" type="checkbox" data-setting-name="cloudStorageEnabled" data-setting-type="bool"><label data-i18n="settingsCloudStorageEnabledPrompt" for="cloud-storage-enabled"></label> <a class="fa info" href="https://github.com/gorhill/uBlock/wiki/Cloud-storage" target="_blank">&#xf05a;</a>
+    <li><input id="cloud-storage-enabled" type="checkbox" data-setting-name="cloudStorageEnabled" data-setting-type="bool"><label data-i18n="settingsCloudStorageEnabledPrompt" for="cloud-storage-enabled"></label> <a class="fa info" href="https://github.com/gorhill/uBlock/wiki/Cloud-storage" target="_blank" rel="noopener noreferrer">&#xf05a;</a>
     <li><input id="advanced-user-enabled" type="checkbox" data-setting-name="advancedUserEnabled" data-setting-type="bool"><label data-i18n="settingsAdvancedUserPrompt" for="advanced-user-enabled"></label> <a class="fa info" href="advanced-settings.html" title="settingsAdvancedUserSettings">&#xf085;</a>
     <li class="subgroup"><span data-i18n="3pGroupPrivacy"></span><ul>
-        <li><input id="prefetching-disabled" type="checkbox" data-setting-name="prefetchingDisabled" data-setting-type="bool"><label data-i18n="settingsPrefetchingDisabledPrompt" for="prefetching-disabled"></label> <a class="fa info" href="https://wikipedia.org/wiki/Link_prefetching#Issues_and_criticisms" target="_blank">&#xf05a;</a>
+        <li><input id="prefetching-disabled" type="checkbox" data-setting-name="prefetchingDisabled" data-setting-type="bool"><label data-i18n="settingsPrefetchingDisabledPrompt" for="prefetching-disabled"></label> <a class="fa info" href="https://wikipedia.org/wiki/Link_prefetching#Issues_and_criticisms" target="_blank" rel="noopener noreferrer">&#xf05a;</a>
         <li><input id="hyperlink-auditing-disabled" type="checkbox" data-setting-name="hyperlinkAuditingDisabled" data-setting-type="bool"><label data-i18n="settingsHyperlinkAuditingDisabledPrompt" for="hyperlink-auditing-disabled"></label> <a class="fa info important" href="https://github.com/gorhill/uBlock/wiki/Disable-hyperlink-auditing-beacon" target="_blank">&#xf05a;</a>
         <li><input id="webrtc-ipaddress-hidden" type="checkbox" data-setting-name="webrtcIPAddressHidden" data-setting-type="bool"><label data-i18n="settingsWebRTCIPAddressHiddenPrompt" for="webrtc-ipaddress-hidden"></label> <a class="fa info important" href="https://github.com/gorhill/uBlock/wiki/Prevent-WebRTC-from-leaking-local-IP-address" target="_blank">&#xf05a;</a>
         </ul>
     <li class="subgroup"><span data-i18n="settingPerSiteSwitchGroup"></span><ul>
-        <li><label class="synopsis"><span data-i18n="settingPerSiteSwitchGroupSynopsis"></span> <a class="fa info" href="https://github.com/gorhill/uBlock/wiki/Per-site-switches" target="_blank">&#xf05a;</a></label>
-        <li><input id="no-cosmetic-filtering" type="checkbox" data-setting-name="noCosmeticFiltering" data-setting-type="bool"><label data-i18n="settingsNoCosmeticFilteringPrompt" for="no-cosmetic-filtering"></label> <a class="fa info" href="https://github.com/gorhill/uBlock/wiki/Per-site-switches#no-cosmetic-filtering" target="_blank">&#xf05a;</a>
-        <li><input id="no-large-media" type="checkbox" data-setting-name="noLargeMedia" data-setting-type="bool"><label data-i18n="settingsNoLargeMediaPrompt" for="no-large-media"></label> <a class="fa info" href="https://github.com/gorhill/uBlock/wiki/Per-site-switches#no-large-media-elements" target="_blank">&#xf05a;</a>
-        <li><input id="no-remote-fonts" type="checkbox" data-setting-name="noRemoteFonts" data-setting-type="bool"><label data-i18n="settingsNoRemoteFontsPrompt" for="no-remote-fonts"></label> <a class="fa info" href="https://github.com/gorhill/uBlock/wiki/Per-site-switches#no-remote-fonts" target="_blank">&#xf05a;</a>
+        <li><label class="synopsis"><span data-i18n="settingPerSiteSwitchGroupSynopsis"></span> <a class="fa info" href="https://github.com/gorhill/uBlock/wiki/Per-site-switches" target="_blank" rel="noopener noreferrer">&#xf05a;</a></label>
+        <li><input id="no-cosmetic-filtering" type="checkbox" data-setting-name="noCosmeticFiltering" data-setting-type="bool"><label data-i18n="settingsNoCosmeticFilteringPrompt" for="no-cosmetic-filtering"></label> <a class="fa info" href="https://github.com/gorhill/uBlock/wiki/Per-site-switches#no-cosmetic-filtering" target="_blank" rel="noopener noreferrer">&#xf05a;</a>
+        <li><input id="no-large-media" type="checkbox" data-setting-name="noLargeMedia" data-setting-type="bool"><label data-i18n="settingsNoLargeMediaPrompt" for="no-large-media"></label> <a class="fa info" href="https://github.com/gorhill/uBlock/wiki/Per-site-switches#no-large-media-elements" target="_blank" rel="noopener noreferrer">&#xf05a;</a>
+        <li><input id="no-remote-fonts" type="checkbox" data-setting-name="noRemoteFonts" data-setting-type="bool"><label data-i18n="settingsNoRemoteFontsPrompt" for="no-remote-fonts"></label> <a class="fa info" href="https://github.com/gorhill/uBlock/wiki/Per-site-switches#no-remote-fonts" target="_blank" rel="noopener noreferrer">&#xf05a;</a>
         </ul>
     </ul>
 
