OpenSourcePolitics · Stef-Rousset · Nov 12, 2025 · Nov 12, 2025 · Nov 12, 2025 · Nov 12, 2025
diff --git a/decidim-admin/app/views/layouts/decidim/admin/_application.html.erb b/decidim-admin/app/views/layouts/decidim/admin/_application.html.erb
@@ -11,7 +11,7 @@
   </head>
   <body>
 
-    <main class="main">
+    <main class="main" role="main">
       <div class="layout-wrapper">
         <div class="block md:hidden col-start-1 col-end-2">
           <%= render partial: "layouts/decidim/admin/title_bar_responsive" %>

diff --git a/decidim-assemblies/app/views/decidim/assemblies/assemblies/show.html.erb b/decidim-assemblies/app/views/decidim/assemblies/assemblies/show.html.erb
@@ -15,7 +15,7 @@ edit_link(
 
 <%= render partial: "layouts/decidim/header/follow_space_menu_bar_button", locals: { participatory_space: current_participatory_space } %>
 
-<main>
+<main role="main">
   <% if current_participatory_space.private_space? %>
     <section class="participatory-space__block-reference alert">
       <%= t("private_space", scope: "decidim.assemblies.show") %>

diff --git a/.../app/views/decidim/conferences/admin/send_conference_diploma_mailer/diploma_user.html.erb b/.../app/views/decidim/conferences/admin/send_conference_diploma_mailer/diploma_user.html.erb
@@ -1,4 +1,4 @@
-<main class="conference-diploma">
+<main class="conference-diploma" role="main">
   <div class="diploma__border">
     <div class="diploma__content">
       <div>

diff --git a/decidim-conferences/app/views/decidim/conferences/conference_program/show.html.erb b/decidim-conferences/app/views/decidim/conferences/conference_program/show.html.erb
@@ -14,7 +14,7 @@ end
 %>
 
 <%# NOTE: this page does not use a regular layout %>
-<main class="container">
+<main class="container" role="main">
   <h1 class="title-decorator my-12">
     <span class="not-sr-only"><%= t(".program") %></span>
     <span class="sr-only"><%= t(".program") %> (<%= translated_attribute current_participatory_space.title %>)</span>

diff --git a/decidim-conferences/app/views/decidim/conferences/conference_speakers/index.html.erb b/decidim-conferences/app/views/decidim/conferences/conference_speakers/index.html.erb
@@ -14,7 +14,7 @@ edit_link(
 %>
 
 <%# NOTE: this page does not use a regular layout %>
-<main class="container">
+<main class="container" role="main">
 
   <section id="conference_speakers-grid">
     <h1 class="title-decorator my-12">

diff --git a/decidim-conferences/app/views/decidim/conferences/conferences/show.html.erb b/decidim-conferences/app/views/decidim/conferences/conferences/show.html.erb
@@ -20,7 +20,7 @@ edit_link(
     include the hero inside the two-column layout.
     Therefore is mandatory to pass the "main_enabled: false" flag
     to the layout_two_col for disabling the original main. %>
-<main>
+<main role="main">
 
   <%= content_for :aside do %>
     <div class="conference__nav-container">

diff --git a/decidim-conferences/app/views/decidim/conferences/media/index.html.erb b/decidim-conferences/app/views/decidim/conferences/media/index.html.erb
@@ -13,7 +13,7 @@ edit_link(
 %>
 
 <%# NOTE: this page does not use a regular layout %>
-<main class="container">
+<main class="container" role="main">
   <h1 class="title-decorator my-12">
     <span class="not-sr-only"><%= t("media", scope: "layouts.decidim.conferences_nav") %></span>
     <span class="sr-only"><%= t("media", scope: "layouts.decidim.conferences_nav") %> (<%= translated_attribute current_participatory_space.title %>)</span>

diff --git a/decidim-conferences/app/views/decidim/conferences/registration_types/index.html.erb b/decidim-conferences/app/views/decidim/conferences/registration_types/index.html.erb
@@ -16,7 +16,7 @@ edit_link(
 <%= append_stylesheet_pack_tag "decidim_conferences" %>
 
 <%# NOTE: this page does not use a regular layout %>
-<main class="container">
+<main class="container" role="main">
 
   <section>
     <h1 class="title-decorator my-12">

diff --git a/decidim-core/app/cells/decidim/authorization_modal/show.erb b/decidim-core/app/cells/decidim/authorization_modal/show.erb
@@ -1,6 +1,6 @@
 <% add_decidim_page_title(title) %>
 
-<main data-dialog-container class="text-center mt-8">
+<main data-dialog-container class="text-center mt-8" role="main">
   <div class="flex justify-center">
     <%= icon "lock-line", class: "w-20 h-20" %>
   </div>

diff --git a/decidim-core/app/views/decidim/gamification/badges/index.html.erb b/decidim-core/app/views/decidim/gamification/badges/index.html.erb
@@ -3,9 +3,9 @@
   description: t(".page_description")
 ) %>
 
-<main class="layout-1col cols-10">
+<main class="layout-1col cols-10" role="main">
 
-  <header class="text-center py-10">
+  <header class="text-center py-10" role="banner">
     <h1 class="title-decorator inline-block text-left mb-12">
       <%= t ".title" %>
     </h1>

diff --git a/decidim-core/app/views/decidim/homepage/show.html.erb b/decidim-core/app/views/decidim/homepage/show.html.erb
@@ -7,7 +7,7 @@
   )
 %>
 
-<main class="home">
+<main class="home" role="main">
   <% Decidim::ContentBlock.published.for_scope(:homepage, organization: current_organization).each do |content_block| %>
     <% next unless content_block.manifest %>
 

diff --git a/decidim-core/app/views/decidim/last_activities/index.html.erb b/decidim-core/app/views/decidim/last_activities/index.html.erb
@@ -1,7 +1,7 @@
 <% add_decidim_page_title(t("last_activity", scope: "decidim.last_activities.index")) %>
 
 <%# NOTE: this page does not use a regular layout %>
-<main class="container">
+<main class="container" role="main">
   <h1 class="title-decorator my-12"><%= t("last_activity", scope: "decidim.last_activities.index") %></h1>
 
   <div class="profile__activity pb-16">

diff --git a/decidim-core/app/views/decidim/newsletters/unsubscribe.html.erb b/decidim-core/app/views/decidim/newsletters/unsubscribe.html.erb
@@ -1,4 +1,4 @@
-<main class="layout-1col cols-6">
+<main class="layout-1col cols-6" role="main">
   <div class="text-center py-12">
     <h1 class="h1 decorator inline-block text-left"><%= t ".unsubscribe" %></h1>
   </div>

diff --git a/decidim-core/app/views/decidim/offline/show.html.erb b/decidim-core/app/views/decidim/offline/show.html.erb
@@ -1,6 +1,6 @@
 <% add_decidim_page_title(t("decidim.offline.name")) %>
 
-<main id="offline-fallback-html" class="text-center my-8">
+<main id="offline-fallback-html" class="text-center my-8" role="main">
   <div class="flex justify-center">
     <svg xmlns="http://www.w3.org/2000/svg" width="5rem" height="r5em" viewBox="0 0 25 25">
       <path

diff --git a/decidim-core/app/views/decidim/pages/_tabbed.html.erb b/decidim-core/app/views/decidim/pages/_tabbed.html.erb
@@ -1,6 +1,6 @@
 <%# NOTE: the structure of this file is the same as: decidim-core/app/views/layouts/decidim/shared/_layout_user_profile.html.erb %>
 <%= render layout:"layouts/decidim/shared/layout_center", locals: { columns: 10 } do %>
-  <header class="text-center py-10">
+  <header class="text-center py-10" role="banner">
     <h1 class="title-decorator inline-block text-left mb-12">
       <%= title %>
     </h1>

diff --git a/decidim-core/app/views/decidim/profiles/show.html.erb b/decidim-core/app/views/decidim/profiles/show.html.erb
@@ -6,6 +6,6 @@
 <% end %>
 
 <%# NOTE: this page does not use a regular layout %>
-<main>
+<main role="main">
   <%= cell "decidim/profile", profile_holder, context: { content_cell: @content_cell } %>
 </main>
diff --git a/decidim-core/app/views/decidim/user_activities/index.html.erb b/decidim-core/app/views/decidim/user_activities/index.html.erb
@@ -6,7 +6,7 @@
 <% end %>
 
 <%# NOTE: this page does not use a regular layout %>
-<main>
+<main role="main">
   <%= cell "decidim/profile", user, context: {
         content_cell: "decidim/user_activity",
         activities:,

diff --git a/decidim-core/app/views/layouts/decidim/_wrapper.html.erb b/decidim-core/app/views/layouts/decidim/_wrapper.html.erb
@@ -11,7 +11,7 @@ end
 %>
 
 <div class="layout-container">
-  <header <%= "class=with-admin-bar" if current_user && allowed_to?(:read, :admin_dashboard) %>>
+  <header <%= "class=with-admin-bar" if current_user && allowed_to?(:read, :admin_dashboard) %> role="banner">
     <div id="sticky-header-container" data-controller="sticky-header">
       <%= render partial: "layouts/decidim/impersonation_warning" %>
       <%= render partial: "layouts/decidim/omnipresent_banner" %>
@@ -37,7 +37,7 @@ end
     <%= yield %>
   </div>
 
-  <footer>
+  <footer role="contentinfo">
     <% if current_user&.ephemeral? || content_for?(:focus_mode) %>
       <%= render partial: "layouts/decidim/footer/focus_mode_main" %>
     <% else %>

diff --git a/decidim-core/app/views/layouts/decidim/shared/_layout_center.html.erb b/decidim-core/app/views/layouts/decidim/shared/_layout_center.html.erb
@@ -10,6 +10,6 @@ css_class = case columns
             end
 %>
 
-<%= content_tag main_tag, class: "layout-1col #{css_class}" do %>
+<%= content_tag main_tag, class: "layout-1col #{css_class}", role: "main" do %>
   <%= yield %>
 <% end %>
diff --git a/decidim-core/app/views/layouts/decidim/shared/_layout_item.html.erb b/decidim-core/app/views/layouts/decidim/shared/_layout_item.html.erb
@@ -2,7 +2,7 @@
   <%= yield :item_header %>
 </div>
 <div class="<%= layout_item_classes %>">
-  <main class="layout-item__main">
+  <main class="layout-item__main" role="main">
     <% if params[:included_in] %>
       <%= render partial: "layouts/decidim/shared/linked_resource" %>
     <% end %>

diff --git a/decidim-core/app/views/layouts/decidim/shared/_layout_two_col.html.erb b/decidim-core/app/views/layouts/decidim/shared/_layout_two_col.html.erb
@@ -7,7 +7,7 @@
     <%= yield :aside %>
   </aside>
   <% main_tag = main_enabled ? :main : :div %>
-  <%= content_tag main_tag, class: "layout-2col__main" do %>
+  <%= content_tag main_tag, class: "layout-2col__main", role: "main" do %>
     <%= content_for :flash_messages %>
     <%= yield %>
   <% end %>

diff --git a/decidim-design/app/views/layouts/decidim/design/_layout.html.erb b/decidim-design/app/views/layouts/decidim/design/_layout.html.erb
@@ -53,7 +53,7 @@
     </ul>
   </aside>
 
-  <main id="content">
+  <main id="content" role="main">
     <% if content_for?(:heading) %>
       <section class="design__heading__section">
         <h1 class="design__heading__5xl">

diff --git a/decidim-elections/app/views/layouts/decidim/election_booth.html.erb b/decidim-elections/app/views/layouts/decidim/election_booth.html.erb
@@ -12,7 +12,7 @@
   </head>
   <body class="text-black text-md form-defaults<%= yield (:body_class) %>">
   <div class="layout-container">
-    <header>
+    <header role="banner">
       <div id="elections-header-container">
         <%= render partial: "layouts/decidim/election_votes_header" %>
       </div>
@@ -22,7 +22,7 @@
         <%= display_flash_messages %>
       </div>
     <% end %>
-    <main class="layout-1col cols-6">
+    <main class="layout-1col cols-6" role="main">
       <div class="py-8 space-y-8 lg:py-12 lg:space-y-12">
         <%= yield %>
       </div>

diff --git a/decidim-initiatives/app/views/layouts/decidim/initiative.html.erb b/decidim-initiatives/app/views/layouts/decidim/initiative.html.erb
@@ -5,7 +5,7 @@
 
 <%= render "layouts/decidim/application" do %>
   <%= render layout: "layouts/decidim/shared/layout_center" do %>
-    <main>
+    <main role="main">
       <%= yield %>
     </main>
     <% if content_for? :expanded %>

diff --git a/decidim-initiatives/app/views/layouts/decidim/initiative_head.html.erb b/decidim-initiatives/app/views/layouts/decidim/initiative_head.html.erb
@@ -8,7 +8,7 @@
 <%= render "layouts/decidim/application" do %>
   <%= render partial: "decidim/initiatives/initiatives/initiative_hero" %>
   <%= render layout:"layouts/decidim/shared/layout_two_col", locals: { reverse: true, main_enabled: false } do %>
-    <main>
+    <main role="main">
       <%= yield %>
     </main>
   <% end %>

diff --git a/decidim-meetings/app/views/decidim/meetings/layouts/live_event.html.erb b/decidim-meetings/app/views/decidim/meetings/layouts/live_event.html.erb
@@ -13,7 +13,7 @@
   <body class="meeting-polls__body">
     <%= render partial: "layouts/decidim/timeout_modal" %>
 
-    <header class="meeting-polls__header">
+    <header class="meeting-polls__header" role="banner">
       <div>
         <strong class="text-secondary"><%= current_organization_name %></strong> / <strong><%= present(meeting).title(html_escape: true) %></strong>
       </div>
@@ -30,7 +30,7 @@
       </div>
     </header>
 
-    <main class="meeting-polls__main">
+    <main class="meeting-polls__main" role="main">
       <%= yield %>
     </main>
 

diff --git a/...sses/app/views/decidim/participatory_processes/participatory_process_groups/show.html.erb b/...sses/app/views/decidim/participatory_processes/participatory_process_groups/show.html.erb
@@ -12,7 +12,7 @@
   )
 %>
 
-<main class="participatory-space__container">
+<main class="participatory-space__container" role="main">
   <% active_content_blocks.each do |content_block| %>
     <% next unless content_block.manifest %>
     <%= cell content_block.manifest.cell, content_block %>

diff --git a/...processes/app/views/decidim/participatory_processes/participatory_processes/show.html.erb b/...processes/app/views/decidim/participatory_processes/participatory_processes/show.html.erb
@@ -16,7 +16,7 @@
 
 <%= render partial: "layouts/decidim/header/follow_space_menu_bar_button", locals: { participatory_space: current_participatory_space } %>
 
-<main>
+<main role="main">
   <%# NOTE: this elements goes outside of the .participatory-space__container block %>
   <% if current_participatory_space.private_space? %>
     <section class="participatory-space__block-reference alert">

diff --git a/decidim-system/app/views/layouts/decidim/system/application.html.erb b/decidim-system/app/views/layouts/decidim/system/application.html.erb
@@ -11,7 +11,7 @@
     <%= render partial: "layouts/decidim/system/sidebar" %>
   </aside>
 
-  <main class="grow">
+  <main class="grow" role="main">
     <div class="flex md:hidden items-center gap-2 bg-primary p-4 text-white font-bold text-lg">
       <button id="aside-trigger" class="flex-none md:hidden" data-controller="dropdown" data-target="aside-system" data-disabled-md="true">
         <%= icon "menu-line", class: "w-6 h-6 text-white fill-current" %>