diff --git a/opentech/public/home/templates/home/home_page.html b/opentech/public/home/templates/home/home_page.html
index e799b2bb4c6153a6033b038d418d7dcb714742f3..71b487cd38b23624e2657e94b9d44a69908186fe 100644
--- a/opentech/public/home/templates/home/home_page.html
+++ b/opentech/public/home/templates/home/home_page.html
@@ -1,5 +1,5 @@
{% extends "base.html" %}
-{% load wagtailcore_tags wagtailimages_tags static navigation_tags %}
+{% load cache wagtailcore_tags wagtailimages_tags static navigation_tags %}
{% block header %}
{% image page.header_image fill-1440x740 as header_image %}
@@ -26,7 +26,9 @@
</div>
<section class="header__menus header__menus--desktop">
- {% primarynav %}
+ {% cache 3600 navigation__primary %}
+ {% primarynav %}
+ {% endcache %}
<button class="button button--contains-icons button--left-space js-search-toggle" aria-haspopup="true" aria-label="Toggle desktop search">
<svg class="header__icon header__icon--open-search icon"><use xlink:href="#magnifying-glass"></use></svg>
@@ -48,7 +50,9 @@
</button>
</div>
</div>
- {% primarynav %}
+ {% cache 3600 navigation__primary %}
+ {% primarynav %}
+ {% endcache %}
</section>
<div class="header__button-container">
diff --git a/opentech/templates/base.html b/opentech/templates/base.html
index 3d0f9873f7c35b627ec66df4b13cd233c0520fba..4a30fb9ae4368b2557a4aecea008c551c01c013f 100644
--- a/opentech/templates/base.html
+++ b/opentech/templates/base.html
@@ -1,4 +1,4 @@
-{% load static wagtailuserbar wagtailcore_tags wagtailimages_tags navigation_tags util_tags %}<!doctype html>
+{% load static cache wagtailuserbar wagtailcore_tags wagtailimages_tags navigation_tags util_tags %}<!doctype html>
<html class="no-js" lang="en">
<head>
{# TODO fallbacks if page is not defined e.g. for 404 page #}
@@ -92,7 +92,9 @@
</div>
<section class="header__menus header__menus--desktop">
- {% primarynav %}
+ {% cache 3600 navigation__primary %}
+ {% primarynav %}
+ {% endcache %}
<button class="button button--contains-icons button--left-space js-search-toggle" aria-haspopup="true" aria-label="Toggle desktop search">
<svg class="header__icon header__icon--open-search icon"><use xlink:href="#magnifying-glass"></use></svg>
@@ -114,7 +116,9 @@
</button>
</div>
</div>
- {% primarynav %}
+ {% cache 3600 navigation__primary %}
+ {% primarynav %}
+ {% endcache %}
</section>
<div class="header__button-container">