diff --git a/otc_metadata/templates/doc_requirements.txt.j2 b/otc_metadata/templates/doc_requirements.txt.j2
index 87daf92..0dd9e8f 100644
--- a/otc_metadata/templates/doc_requirements.txt.j2
+++ b/otc_metadata/templates/doc_requirements.txt.j2
@@ -4,4 +4,5 @@ otcdocstheme # Apache-2.0
 reno>=3.1.0 # Apache-2.0
 
 otc-sphinx-directives>=0.1.0
+sphinx-minify>=0.0.1 # Apache-2.0
 git+https://gitea.eco.tsi-dev.otc-service.com/infra/otc-metadata-swiss.git#egg=otc_metadata
diff --git a/otc_metadata/templates/tox.ini.j2 b/otc_metadata/templates/tox.ini.j2
index bfea2ac..7e2bb55 100644
--- a/otc_metadata/templates/tox.ini.j2
+++ b/otc_metadata/templates/tox.ini.j2
@@ -34,8 +34,9 @@ allowlist_externals =
   rm
   sphinx-build
 commands =
-  rm -rf doc/build/html doc/build/doctrees
-  sphinx-build -a -E -W -d doc/build/doctrees -b html doc/source doc/build/html
+  rm -rf doc/build/html doc/build/html_temp doc/build/doctrees
+  sphinx-build -a -E -W -d doc/build/doctrees -b html doc/source doc/build/html_temp
+  sphinx-minify --input-directory doc/build/html_temp/ --output-directory doc/build/html 
 {%- for doc in docs %}
   {[testenv:{{ doc.type }}]commands}
   {[testenv:json-{{ doc.type }}]commands}
@@ -66,16 +67,14 @@ allowlist_externals =
   cp
   mkdir
 commands =
-  sphinx-build -W --keep-going -b html {{ loc }}/source doc/build/html/{{ doc.type }}
-{%- if doc.type == 'api-ref' %}
-  mkdir -p api-ref/build/html
-  cp -av doc/build/html/api-ref api-ref/build/html
-{%- elif doc.type == 'umn' %}
-  mkdir -p umn/build/html
-  cp -av doc/build/html/umn umn/build/html
-{%- elif doc.type == 'dev-guide' %}
+  sphinx-build -W --keep-going -b html {{ loc }}/source doc/build/html_temp/{{ doc.type }}
+  sphinx-minify --input-directory doc/build/html_temp/{{ doc.type }} --output-directory doc/build/html/{{ doc.type }}
+{%- if doc.type == 'dev-guide' %}
   mkdir -p dev_guide/build/html
   cp -av doc/build/html/dev-guide dev_guide/build/html
+{%- else %}
+  mkdir -p {{ doc.type }}/build/html
+  cp -av doc/build/html/{{ doc.type }} {{ doc.type }}/build/html
 {%- endif %}
 
 # Json version (for search)
@@ -90,15 +89,12 @@ commands =
   # Drop data useless for the search - wrap it also with sh/xargs due to bugs
   # in tox
   sh -c "find doc/build/json -type d -and '(' -name '_images' -or -name '_static' -or -name '_sources' ')' -print0 | xargs -0 rm -rf"
-{%- if doc.type == 'api-ref' %}
-  mkdir -p api-ref/build/json
-  cp -av doc/build/json/api-ref api-ref/build/json
-{%- elif doc.type == 'umn' %}
-  mkdir -p umn/build/json
-  cp -av doc/build/json/umn umn/build/json
-{%- elif doc.type == 'dev-guide' %}
+{%- if doc.type == 'dev-guide' %}
   mkdir -p dev_guide/build/json
   cp -av doc/build/json/dev-guide dev_guide/build/json
+{%- else %}
+  mkdir -p {{ doc.type }}/build/json
+  cp -av doc/build/json/{{ doc.type }} {{ doc.type }}/build/json
 {%- endif %}
 
 {% if doc.pdf_name -%}