diff --git a/layouts/partials/footer/footer.html b/layouts/partials/footer/footer.html
index fcf267e..6d7fdc3 100644
--- a/layouts/partials/footer/footer.html
+++ b/layouts/partials/footer/footer.html
@@ -1,8 +1,8 @@
 <footer class="site-footer">
     <section class="copyright">&copy; {{ now.Format "2006" }} {{ .Site.Title }}</section>
     <section class="powerby">
-        Built with <a href="https://gohugo.io/" target="_blank">Hugo</a> <br />
-        Theme <b><a href="https://github.com/CaiJimmy/hugo-theme-stack" target="_blank">Stack</a></b> designed by
-        <a href="https://jimmycai.com" target="_blank">Jimmy</a>
+        Built with <a href="https://gohugo.io/" target="_blank" rel="noopener">Hugo</a> <br />
+        Theme <b><a href="https://github.com/CaiJimmy/hugo-theme-stack" target="_blank" rel="noopener">Stack</a></b> designed by
+        <a href="https://jimmycai.com" target="_blank" rel="noopener">Jimmy</a>
     </section>
 </footer>
\ No newline at end of file