diff --git a/layouts/partials/footer.html b/layouts/partials/footer.html
index 1c6028c..3561e31 100644
--- a/layouts/partials/footer.html
+++ b/layouts/partials/footer.html
@@ -6,4 +6,10 @@
         </div>
     </div>
     {{ template "_internal/google_analytics_async.html" . }}
+    {{ if .Site.Params.Katex }}
+        <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/KaTeX/0.7.1/katex.min.css" integrity="sha384-wITovz90syo1dJWVh32uuETPVEtGigN07tkttEqPv+uR2SE/mbQcG7ATL28aI9H0" crossorigin="anonymous">
+        <script src="https://cdnjs.cloudflare.com/ajax/libs/KaTeX/0.7.1/katex.min.js" integrity="sha384-/y1Nn9+QQAipbNQWU65krzJralCnuOasHncUFXGkdwntGeSvQicrYkiUBwsgUqc1" crossorigin="anonymous"></script>
+        <script src="https://cdnjs.cloudflare.com/ajax/libs/KaTeX/0.7.1/contrib/auto-render.min.js" integrity="sha256-ExtbCSBuYA7kq1Pz362ibde9nnsHYPt6JxuxYeZbU+c=" crossorigin="anonymous"></script>
+        <script>renderMathInElement(document.body);</script>
+    {{ end }}
 </footer>
\ No newline at end of file