diff --git a/esphomeyaml/dashboard/templates/index.html b/esphomeyaml/dashboard/templates/index.html
index 7a4ad56f3..596fe5537 100644
--- a/esphomeyaml/dashboard/templates/index.html
+++ b/esphomeyaml/dashboard/templates/index.html
@@ -117,7 +117,7 @@
   </div>
   <div class="modal-footer">
     <a href="https://esphomelib.com/esphomeyaml/guides/faq.html#i-can-t-get-flashing-over-usb-to-work" target="_blank"
-       class="tooltipped" data-position="left" data-tooltip="Flash using esphomeflasher">
+       class="tooltipped" data-position="left" data-tooltip="Flash using esphomeflasher" rel="noreferrer">
       <i class="material-icons flash-using-esphomeflasher">help_outline</i>
     </a>
     <a class="modal-close waves-effect waves-green btn-flat stop-logs">Stop</a>
@@ -135,7 +135,7 @@
   </div>
   <div class="modal-footer">
     <a href="https://esphomelib.com/esphomeyaml/guides/faq.html#i-can-t-get-flashing-over-usb-to-work" target="_blank"
-       class="tooltipped" data-position="left" data-tooltip="Flash using esphomeflasher">
+       class="tooltipped" data-position="left" data-tooltip="Flash using esphomeflasher" rel="noreferrer">
       <i class="material-icons flash-using-esphomeflasher">help_outline</i>
     </a>
     <a class="modal-close waves-effect waves-green btn-flat disabled download-binary">Download Binary</a>
@@ -171,10 +171,10 @@
               their successors (the <a href="https://www.espressif.com/en/products/hardware/esp32/overview" target="_blank">ESP32s</a>)
               are great low-cost microcontrollers that can communicate with the outside world using WiFi.
               They're found in many devices such as the popular Sonoff/iTead, but also exist as development boards
-              such as the <a href="https://esphomelib.com/esphomeyaml/devices/nodemcu_esp8266.html" target="_blank">NodeMCU</a>.
+              such as the <a href="https://esphomelib.com/esphomeyaml/devices/nodemcu_esp8266.html" target="_blank" rel="noreferrer">NodeMCU</a>.
             <p>
             </p>
-              <a href="https://esphomelib.com/esphomeyaml/index.html" target="_blank">ESPHome</a>,
+              <a href="https://esphomelib.com/esphomeyaml/index.html" target="_blank" rel="noreferrer">ESPHome</a>,
               the tool you're using here, creates custom firmwares for these devices using YAML configuration
               files (similar to the ones you might be used to with Home Assistant).
             <p>
@@ -351,19 +351,19 @@
           <ul class="browser-default">
             <li>
               Flash the firmware. This can be done using the “UPLOAD” option in the dashboard. See
-              <a href="https://esphomelib.com/esphomeyaml/index.html#devices" target="_blank">this</a>
+              <a href="https://esphomelib.com/esphomeyaml/index.html#devices" target="_blank" rel="noreferrer">this</a>
               for guides on how to flash different types of devices. Note that you need to restart this add-on
               for newly plugged in serial devices to be detected.
             </li>
             <li>
               With the current configuration, your node will only connect to WiFi and MQTT. To make it actually <i>do</i>
               stuff, follow
-              <a href="https://esphomelib.com/esphomeyaml/guides/getting_started_hassio.html#adding-some-basic-features">
+              <a href="https://esphomelib.com/esphomeyaml/guides/getting_started_hassio.html#adding-some-basic-features" rel="noreferrer">
                 the rest of the getting started guide
               </a>.
             </li>
             <li>
-              See the <a href="https://esphomelib.com/esphomeyaml/index.html" target="_blank">ESPHome index</a>
+              See the <a href="https://esphomelib.com/esphomeyaml/index.html" target="_blank" rel="noreferrer">ESPHome index</a>
               for a list of supported sensors/devices.
             </li>
             <li>
@@ -464,7 +464,7 @@
   <div class="footer-copyright">
     <div class="container">
       © 2018 Copyright Otto Winter, Made with <a class="grey-text text-lighten-4" href="https://materializecss.com/" target="_blank">Materialize</a>
-      <a class="grey-text text-lighten-4 right" href="{{ docs_link }}" target="_blank">ESPHome {{ version }} Documentation</a>
+      <a class="grey-text text-lighten-4 right" href="{{ docs_link }}" target="_blank" rel="noreferrer">ESPHome {{ version }} Documentation</a>
     </div>
   </div>
 </footer>