diff --git a/rnacentral/portal/templates/portal/docs/training.md b/rnacentral/portal/templates/portal/docs/training.md
index ed6357a2f..88186901d 100644
--- a/rnacentral/portal/templates/portal/docs/training.md
+++ b/rnacentral/portal/templates/portal/docs/training.md
@@ -82,6 +82,10 @@ RNAcentral has been described in several papers:
   <a href="http://www.ncbi.nlm.nih.gov/pubmed/21940779">Pubmed</a>
 </blockquote>
 
+### Other resources <a style="cursor: pointer" id="other-resources" ng-click="scrollTo('other-resources')" name="other-resources" class="text-muted smaller"><i class="fa fa-link"></i></a>
+
+Explore community-contributed educational resources including tutorials, slides, and lecture materials: [Educational Resources Repository](https://github.com/RNAcentral/rna-educational-resources).
+
 ### Feedback <a style="cursor: pointer" id="feedback" ng-click="scrollTo('feedback')" name="feedback" class="text-muted smaller"><i class="fa fa-link"></i></a>
 
 Let us know what you think by getting in touch on [Twitter](https://twitter.com/rnacentral),
diff --git a/rnacentral/portal/templates/portal/genome-browser.html b/rnacentral/portal/templates/portal/genome-browser.html
index 840a27cba..710047f32 100644
--- a/rnacentral/portal/templates/portal/genome-browser.html
+++ b/rnacentral/portal/templates/portal/genome-browser.html
@@ -34,7 +34,7 @@ <h1><i class="fa fa-map-marker"></i> Genome browser</h1>
         <br><br>
 
         <rnacentral-genome-browser></rnacentral-genome-browser>
-        {% if request.get_host == 'test.rnacentral.org' or request.get_host == 'localhost:8000' %}
+        {% if request.get_host == 'test.rnacentral.org' or request.get_host == 'test-2.rnacentral.org' or request.get_host == 'localhost:8000' %}
             <script type="text/javascript" src="{% static "rnacentral-genome-browser/build/genome-browser.js" %}"></script>
         {% else %}
             <script type="text/javascript" src="https://rnacentral.github.io/rnacentral-genome-browser/build/genome-browser.js"></script>
diff --git a/rnacentral/portal/templates/portal/r2dt.html b/rnacentral/portal/templates/portal/r2dt.html
index 36d13f0bb..b652bc1d2 100644
--- a/rnacentral/portal/templates/portal/r2dt.html
+++ b/rnacentral/portal/templates/portal/r2dt.html
@@ -41,7 +41,7 @@ <h1><i class="fa fa-search"></i> R2DT</h1>
           "hideRnacentral": "true"
         }'
     />
-    {% if request.get_host == 'test.rnacentral.org' or request.get_host == 'localhost' %}
+    {% if request.get_host == 'test.rnacentral.org' or request.get_host == 'test-2.rnacentral.org' or request.get_host == 'localhost' %}
         <script type="text/javascript" src="{% static "r2dt-web/dist/r2dt-web.js" %}"></script>
     {% else %}
         <script type="text/javascript" src="https://rnacentral.github.io/r2dt-web/dist/r2dt-web.js"></script>
diff --git a/rnacentral/portal/templates/portal/sequence.html b/rnacentral/portal/templates/portal/sequence.html
index d81dcdc97..55ed37ea8 100644
--- a/rnacentral/portal/templates/portal/sequence.html
+++ b/rnacentral/portal/templates/portal/sequence.html
@@ -158,7 +158,7 @@ <h2>
 
         {% if rna.has_secondary_structure %}
         <!-- Load r2dt-web script early to prevent rendering errors -->
-        {% if request.get_host == 'test.rnacentral.org' or request.get_host == 'localhost:8000' %}
+        {% if request.get_host == 'test.rnacentral.org' or request.get_host == 'test-2.rnacentral.org' or request.get_host == 'localhost:8000' %}
             <script type="text/javascript" src="{% static "r2dt-web/dist/r2dt-web.js" %}"></script>
         {% else %}
             <script type="text/javascript" src="https://rnacentral.github.io/r2dt-web/dist/r2dt-web.js"></script>
@@ -218,7 +218,7 @@ <h2 ng-if="taxid">
                 <div style="padding-left: 1rem; margin-top: -10px">
                     <rnacentral-genome-browser data='{"urs": "{{ context.upi }}", "taxid": "{{ context.taxid }}"}'></rnacentral-genome-browser>
                 </div>
-                {% if request.get_host == 'test.rnacentral.org' or request.get_host == 'localhost:8000' %}
+                {% if request.get_host == 'test.rnacentral.org' or request.get_host == 'test-2.rnacentral.org' or request.get_host == 'localhost:8000' %}
                     <script type="text/javascript" src="{% static "rnacentral-genome-browser/build/genome-browser.js" %}"></script>
                 {% else %}
                     <script type="text/javascript" src="https://rnacentral.github.io/rnacentral-genome-browser/build/genome-browser.js"></script>
@@ -455,7 +455,7 @@ <h2>Molecular Relationships</h2>
                             database='{"name": "RNAcentral"}'
                             customStyle='{"fixCss": "true", "articleTitleSize": "16px", "hideRnacentral": "true"}'
                 />
-                {% if request.get_host == 'test.rnacentral.org' or request.get_host == 'localhost:8000' %}
+                {% if request.get_host == 'test.rnacentral.org' or request.get_host == 'test-2.rnacentral.org' or request.get_host == 'localhost:8000' %}
                     <script type="text/javascript" src="{% static "rnacentral-litscan/dist/rnacentral-litscan.js" %}"></script>
                 {% else %}
                     <script type="text/javascript" src="https://rnacentral.github.io/rnacentral-litscan/dist/rnacentral-litscan.js"></script>
diff --git a/rnacentral/sequence_search/templates/sequence-search-embed.html b/rnacentral/sequence_search/templates/sequence-search-embed.html
index fef0c5c8e..bedbd9b0d 100644
--- a/rnacentral/sequence_search/templates/sequence-search-embed.html
+++ b/rnacentral/sequence_search/templates/sequence-search-embed.html
@@ -41,7 +41,7 @@ <h1><i class="fa fa-search"></i> Sequence search</h1>
           "trackingID": "G-37T22PHH90"
         }'
     />
-    {% if ENVIRONMENT == "DEV" %}
+    {% if ENVIRONMENT == "DEV" or ENVIRONMENT == "HX" or ENVIRONMENT == "HH" %}
     <script type="text/javascript" src="{% static "rnacentral-sequence-search-embed/dist/RNAcentral-sequence-search.js" %}"></script>
     {% else %}
     <script type="text/javascript" src="https://rnacentral.github.io/rnacentral-sequence-search-embed/dist/RNAcentral-sequence-search.js"></script>