diff --git a/ckanext/nhm/lib/helpers.py b/ckanext/nhm/lib/helpers.py
index d434e6cc..ec02c72d 100644
--- a/ckanext/nhm/lib/helpers.py
+++ b/ckanext/nhm/lib/helpers.py
@@ -19,6 +19,7 @@
 from beaker.cache import cache_region
 from jinja2.filters import do_truncate
 from lxml import etree, html
+from werkzeug.routing import BuildError
 
 from ckan import model
 from ckan.lib import helpers as core_helpers
@@ -1627,3 +1628,17 @@ def get_status_indicator():
     amber_status = [r for r in status_reports if r['state'] == 'ok']
     if len(amber_status) > 0:
         return 'amber'
+
+
+def route_exists(route):
+    """
+    Simple helper for checking if a flask route exists.
+
+    :param route: endpoint name, as passed to url_for
+    :return: bool
+    """
+    try:
+        url = toolkit.url_for(route)
+        return True
+    except BuildError:
+        return False
\ No newline at end of file
diff --git a/ckanext/nhm/lib/utils.py b/ckanext/nhm/lib/utils.py
index 01278043..89d6c03a 100644
--- a/ckanext/nhm/lib/utils.py
+++ b/ckanext/nhm/lib/utils.py
@@ -6,17 +6,22 @@
 
 from ckan.plugins import toolkit
 import requests
+from cachetools import cached, TTLCache
 
 
+@cached(cache=TTLCache(maxsize=10, ttl=300))
 def get_iiif_status():
-    health = {}
+    health = {'ping': False}
 
     url = toolkit.config.get('ckanext.iiif.image_server_url')
-    r = requests.get(url + '/status')
-    if r.ok:
-        health['ping'] = True
-        response_json = r.json()
-    else:
+    try:
+        r = requests.get(url + '/status', timeout=5)
+        if r.ok:
+            health['ping'] = True
+            response_json = r.json()
+        else:
+            response_json = {}
+    except requests.exceptions.RequestException as e:
         response_json = {}
 
     health['status'] = response_json.get('status')
diff --git a/ckanext/nhm/theme/assets/scripts/bbcm.js b/ckanext/nhm/theme/assets/scripts/bbcm.js
index 257fab95..f2365210 100644
--- a/ckanext/nhm/theme/assets/scripts/bbcm.js
+++ b/ckanext/nhm/theme/assets/scripts/bbcm.js
@@ -225,8 +225,6 @@ function createPopup(latlng, specs) {
       baseUrl +
       '/object/' +
       specimen.occurrenceID +
-      '/' +
-      version.toString() +
       '">View on the Data Portal</a>';
     popupContent += '</div>';
 
diff --git a/ckanext/nhm/theme/templates/bbcm.html b/ckanext/nhm/theme/templates/bbcm.html
index 69dd10ba..925603cc 100644
--- a/ckanext/nhm/theme/templates/bbcm.html
+++ b/ckanext/nhm/theme/templates/bbcm.html
@@ -15,23 +15,6 @@
 
 {%- block page %}
     {{ super() }}
-    <!-- GA -->
-    <script>
-        (function (w, d, s, l, i) {
-            w[l] = w[l] || [];
-            w[l].push({
-                'gtm.start':
-                    new Date().getTime(), event: 'gtm.js'
-            });
-            var f = d.getElementsByTagName(s)[0],
-                j = d.createElement(s), dl = l != 'dataLayer' ? '&l=' + l : '';
-            j.async = true;
-            j.src =
-                '//www.googletagmanager.com/gtm.js?id=' + i + dl;
-            f.parentNode.insertBefore(j, f);
-        })(window, document, 'script', 'dataLayer', 'GTM-5MDTTC');
-    </script>
-
     <div id="map"></div>
 
     <div id="details">
diff --git a/ckanext/nhm/theme/templates/header.html b/ckanext/nhm/theme/templates/header.html
index 8fad5f5e..3943dc0c 100755
--- a/ckanext/nhm/theme/templates/header.html
+++ b/ckanext/nhm/theme/templates/header.html
@@ -9,6 +9,7 @@
 
 {% set status_indicator = h.get_status_indicator() %}
 {% macro status_icon() %}
+{% if h.route_exists('status.index') %}
 <div>
     <a href="{{ h.url_for('status.index') }}"
        title="{{ _('System status') }}">
@@ -22,6 +23,7 @@
         <i class="fas fa-heartbeat fa-lg"></i>
     </a>
 </div>
+{% endif %}
 {% endmacro %}