diff --git a/.ui-design/audits/audit_state.json b/.ui-design/audits/audit_state.json
new file mode 100644
index 0000000..e3a0cc9
--- /dev/null
+++ b/.ui-design/audits/audit_state.json
@@ -0,0 +1,30 @@
+{
+  "audit_id": "indiekit-eleventy-theme_20260307_r2",
+  "target": "entire indiekit-eleventy-theme codebase",
+  "wcag_level": "AA",
+  "focus_areas": ["all"],
+  "status": "complete",
+  "started_at": "2026-03-07T00:00:00Z",
+  "completed_at": "2026-03-07T00:00:00Z",
+  "files_audited": 95,
+  "issues_found": {
+    "critical": 0,
+    "serious": 1,
+    "moderate": 3,
+    "minor": 1
+  },
+  "criteria_checked": 28,
+  "criteria_passed": 26,
+  "compliance_status": "substantially_compliant",
+  "previous_audit": {
+    "audit_id": "indiekit-eleventy-theme_20260307",
+    "issues_found": {
+      "critical": 8,
+      "serious": 12,
+      "moderate": 22,
+      "minor": 8
+    },
+    "criteria_passed": 15,
+    "compliance_status": "needs_improvement"
+  }
+}
diff --git a/_includes/components/blog-sidebar.njk b/_includes/components/blog-sidebar.njk
index 4fd71c1..274ec82 100644
--- a/_includes/components/blog-sidebar.njk
+++ b/_includes/components/blog-sidebar.njk
@@ -145,7 +145,7 @@
           {% elif widget.type == "custom-html" %}
             {% set wConfig = widget.config or {} %}
             <is-land on:visible>
-            <div class="widget">
+            <div class="widget" role="region" aria-label="Custom content">
               {% if wConfig.content %}
               <div class="prose dark:prose-invert prose-sm max-w-none">
                 {{ wConfig.content | safe }}
diff --git a/_includes/components/empty-collection.njk b/_includes/components/empty-collection.njk
index e0e8995..de76fc6 100644
--- a/_includes/components/empty-collection.njk
+++ b/_includes/components/empty-collection.njk
@@ -5,7 +5,7 @@
   {% if pt.type == postType %}{% set typeInfo = pt %}{% endif %}
 {% endfor %}
 
-<div class="text-center py-12 px-4">
+<div class="text-center py-12 px-4" role="status">
   <div class="inline-flex items-center justify-center w-16 h-16 rounded-full bg-surface-100 dark:bg-surface-800 mb-4">
     <svg class="w-8 h-8 text-surface-400" fill="none" stroke="currentColor" viewBox="0 0 24 24" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round">
       <path d="M12 20h9"/><path d="M16.5 3.5a2.121 2.121 0 0 1 3 3L7 19l-4 1 1-4L16.5 3.5z"/>
diff --git a/_includes/components/fediverse-modal.njk b/_includes/components/fediverse-modal.njk
index 8923af3..6dd693b 100644
--- a/_includes/components/fediverse-modal.njk
+++ b/_includes/components/fediverse-modal.njk
@@ -2,7 +2,17 @@
 {# Used by post.njk (interact), fediverse-follow.njk (follow), share.njk (share) #}
 {# Requires: modalTitle, modalDescription variables set before include #}
 <template x-if="showModal">
-  <div class="fixed inset-0 z-50 flex items-center justify-center p-4" @keydown.escape.window="showModal = false">
+  <div class="fixed inset-0 z-50 flex items-center justify-center p-4"
+       @keydown.escape.window="showModal = false"
+       x-init="$nextTick(() => { const input = $el.querySelector('input'); if (input) input.focus(); })"
+       @keydown.tab="
+         const focusable = [...$el.querySelectorAll('button, input, a, [tabindex]:not([tabindex=\"-1\"])')].filter(el => !el.closest('[x-show]') || el.closest('[x-show]').style.display !== 'none');
+         if (!focusable.length) return;
+         const first = focusable[0];
+         const last = focusable[focusable.length - 1];
+         if ($event.shiftKey && document.activeElement === first) { $event.preventDefault(); last.focus(); }
+         else if (!$event.shiftKey && document.activeElement === last) { $event.preventDefault(); first.focus(); }
+       ">
     {# Backdrop #}
     <div class="fixed inset-0 bg-black/40"
          x-transition:enter="transition ease-out duration-200"
diff --git a/_includes/components/h-card.njk b/_includes/components/h-card.njk
index 594e046..d5b9ade 100644
--- a/_includes/components/h-card.njk
+++ b/_includes/components/h-card.njk
@@ -74,7 +74,7 @@
   <div class="mt-2 flex flex-wrap gap-3 text-sm">
     {% if authorEmail %}
     {# Display text obfuscated to deter spam harvesters; href kept plain for browser compatibility #}
-    <a href="mailto:{{ authorEmail }}" class="u-email text-accent-600 dark:text-accent-400 hover:underline" itemprop="email">
+    <a href="mailto:{{ authorEmail }}" class="u-email text-accent-600 dark:text-accent-400 hover:underline" itemprop="email" aria-label="Email {{ authorEmail }}">
       ✉️ {{ authorEmail | obfuscateEmail | safe }}
     </a>
     {% endif %}
diff --git a/_includes/components/homepage-sidebar.njk b/_includes/components/homepage-sidebar.njk
index f1bab65..a29060e 100644
--- a/_includes/components/homepage-sidebar.njk
+++ b/_includes/components/homepage-sidebar.njk
@@ -124,7 +124,7 @@
           {% elif widget.type == "custom-html" %}
             {% set wConfig = widget.config or {} %}
             <is-land on:visible>
-            <div class="widget">
+            <div class="widget" role="region" aria-label="Custom content">
               {% if wConfig.content %}
               <div class="prose dark:prose-invert prose-sm max-w-none">
                 {{ wConfig.content | safe }}
diff --git a/_includes/components/reply-context.njk b/_includes/components/reply-context.njk
index c6df484..c3373e2 100644
--- a/_includes/components/reply-context.njk
+++ b/_includes/components/reply-context.njk
@@ -10,7 +10,7 @@
 {% set bookmarkedUrl = bookmarkOf or bookmark_of %}
 
 {% if replyTo or likedUrl or repostedUrl or bookmarkedUrl %}
-<aside class="reply-context mb-6">
+<aside class="reply-context mb-6" aria-label="Reply context">
   {% if replyTo %}
   <div class="u-in-reply-to h-cite">
     <p class="text-sm text-surface-600 dark:text-surface-400 mb-2 flex items-center gap-2">
diff --git a/_includes/components/sections/featured-posts.njk b/_includes/components/sections/featured-posts.njk
index f9e81b4..5c0e44b 100644
--- a/_includes/components/sections/featured-posts.njk
+++ b/_includes/components/sections/featured-posts.njk
@@ -68,7 +68,7 @@
             {{ post.templateContent | safe }}
           </div>
           {% endif %}
-          <a class="u-url text-xs text-accent-600 dark:text-accent-400 hover:underline mt-2 inline-block" href="{{ post.url }}">Permalink</a>
+          <a class="u-url text-xs text-accent-600 dark:text-accent-400 hover:underline mt-2 inline-block" href="{{ post.url }}" aria-label="Permalink: {{ post.data.title or (post.date | dateDisplay) }}">Permalink</a>
         </div>
       </div>
 
@@ -101,7 +101,7 @@
             {{ post.templateContent | safe }}
           </div>
           {% endif %}
-          <a class="u-url text-xs text-accent-600 dark:text-accent-400 hover:underline mt-2 inline-block" href="{{ post.url }}">Permalink</a>
+          <a class="u-url text-xs text-accent-600 dark:text-accent-400 hover:underline mt-2 inline-block" href="{{ post.url }}" aria-label="Permalink: {{ post.data.title or (post.date | dateDisplay) }}">Permalink</a>
         </div>
       </div>
 
@@ -129,7 +129,7 @@
             {{ post.templateContent | safe }}
           </div>
           {% endif %}
-          <a class="u-url text-xs text-accent-600 dark:text-accent-400 hover:underline mt-2 inline-block" href="{{ post.url }}">Permalink</a>
+          <a class="u-url text-xs text-accent-600 dark:text-accent-400 hover:underline mt-2 inline-block" href="{{ post.url }}" aria-label="Permalink: {{ post.data.title or (post.date | dateDisplay) }}">Permalink</a>
         </div>
       </div>
 
@@ -157,7 +157,7 @@
             {{ post.templateContent | safe }}
           </div>
           {% endif %}
-          <a class="u-url text-xs text-accent-600 dark:text-accent-400 hover:underline mt-2 inline-block" href="{{ post.url }}">Permalink</a>
+          <a class="u-url text-xs text-accent-600 dark:text-accent-400 hover:underline mt-2 inline-block" href="{{ post.url }}" aria-label="Permalink: {{ post.data.title or (post.date | dateDisplay) }}">Permalink</a>
         </div>
       </div>
 
@@ -184,7 +184,7 @@
                 {% set photoUrl = '/' + photoUrl %}
               {% endif %}
               <a href="{{ post.url }}" class="photo-link">
-                <img src="{{ photoUrl }}" alt="{{ img.alt | default('Photo') }}" class="u-photo rounded max-h-48 object-cover" loading="lazy" eleventy:ignore>
+                <img src="{{ photoUrl }}" alt="{{ img.alt | default('Photo from: ' + post.data.title) }}" class="u-photo rounded max-h-48 object-cover" loading="lazy" eleventy:ignore>
               </a>
             {% endfor %}
           </div>
@@ -193,7 +193,7 @@
             {{ post.templateContent | safe }}
           </div>
           {% endif %}
-          <a class="u-url text-xs text-accent-600 dark:text-accent-400 hover:underline mt-2 inline-block" href="{{ post.url }}">Permalink</a>
+          <a class="u-url text-xs text-accent-600 dark:text-accent-400 hover:underline mt-2 inline-block" href="{{ post.url }}" aria-label="Permalink: {{ post.data.title or (post.date | dateDisplay) }}">Permalink</a>
         </div>
       </div>
 
@@ -239,7 +239,7 @@
         {{ post.templateContent | safe }}
       </div>
       {% endif %}
-      <a href="{{ post.url }}" class="text-xs text-accent-600 dark:text-accent-400 hover:underline mt-2 inline-block">
+      <a href="{{ post.url }}" class="text-xs text-accent-600 dark:text-accent-400 hover:underline mt-2 inline-block" aria-label="Permalink: {{ post.data.title or (post.date | dateDisplay) }}">
         Permalink
       </a>
       {% endif %}
diff --git a/_includes/components/sections/recent-posts.njk b/_includes/components/sections/recent-posts.njk
index be72813..a7af710 100644
--- a/_includes/components/sections/recent-posts.njk
+++ b/_includes/components/sections/recent-posts.njk
@@ -65,7 +65,7 @@
             {{ post.templateContent | safe }}
           </div>
           {% endif %}
-          <a class="u-url text-xs text-accent-600 dark:text-accent-400 hover:underline mt-2 inline-block" href="{{ post.url }}">Permalink</a>
+          <a class="u-url text-xs text-accent-600 dark:text-accent-400 hover:underline mt-2 inline-block" href="{{ post.url }}" aria-label="Permalink: {{ post.data.title or (post.date | dateDisplay) }}">Permalink</a>
         </div>
       </div>
 
@@ -98,7 +98,7 @@
             {{ post.templateContent | safe }}
           </div>
           {% endif %}
-          <a class="u-url text-xs text-accent-600 dark:text-accent-400 hover:underline mt-2 inline-block" href="{{ post.url }}">Permalink</a>
+          <a class="u-url text-xs text-accent-600 dark:text-accent-400 hover:underline mt-2 inline-block" href="{{ post.url }}" aria-label="Permalink: {{ post.data.title or (post.date | dateDisplay) }}">Permalink</a>
         </div>
       </div>
 
@@ -126,7 +126,7 @@
             {{ post.templateContent | safe }}
           </div>
           {% endif %}
-          <a class="u-url text-xs text-accent-600 dark:text-accent-400 hover:underline mt-2 inline-block" href="{{ post.url }}">Permalink</a>
+          <a class="u-url text-xs text-accent-600 dark:text-accent-400 hover:underline mt-2 inline-block" href="{{ post.url }}" aria-label="Permalink: {{ post.data.title or (post.date | dateDisplay) }}">Permalink</a>
         </div>
       </div>
 
@@ -154,7 +154,7 @@
             {{ post.templateContent | safe }}
           </div>
           {% endif %}
-          <a class="u-url text-xs text-accent-600 dark:text-accent-400 hover:underline mt-2 inline-block" href="{{ post.url }}">Permalink</a>
+          <a class="u-url text-xs text-accent-600 dark:text-accent-400 hover:underline mt-2 inline-block" href="{{ post.url }}" aria-label="Permalink: {{ post.data.title or (post.date | dateDisplay) }}">Permalink</a>
         </div>
       </div>
 
@@ -181,7 +181,7 @@
                 {% set photoUrl = '/' + photoUrl %}
               {% endif %}
               <a href="{{ post.url }}" class="photo-link">
-                <img src="{{ photoUrl }}" alt="{{ img.alt | default('Photo') }}" class="u-photo rounded max-h-48 object-cover" loading="lazy" eleventy:ignore>
+                <img src="{{ photoUrl }}" alt="{{ img.alt | default('Photo from: ' + post.data.title) }}" class="u-photo rounded max-h-48 object-cover" loading="lazy" eleventy:ignore>
               </a>
             {% endfor %}
           </div>
@@ -190,7 +190,7 @@
             {{ post.templateContent | safe }}
           </div>
           {% endif %}
-          <a class="u-url text-xs text-accent-600 dark:text-accent-400 hover:underline mt-2 inline-block" href="{{ post.url }}">Permalink</a>
+          <a class="u-url text-xs text-accent-600 dark:text-accent-400 hover:underline mt-2 inline-block" href="{{ post.url }}" aria-label="Permalink: {{ post.data.title or (post.date | dateDisplay) }}">Permalink</a>
         </div>
       </div>
 
@@ -236,7 +236,7 @@
         {{ post.templateContent | safe }}
       </div>
       {% endif %}
-      <a href="{{ post.url }}" class="text-xs text-accent-600 dark:text-accent-400 hover:underline mt-2 inline-block">
+      <a href="{{ post.url }}" class="text-xs text-accent-600 dark:text-accent-400 hover:underline mt-2 inline-block" aria-label="Permalink: {{ post.data.title or (post.date | dateDisplay) }}">
         Permalink
       </a>
       {% endif %}
diff --git a/_includes/components/sidebar.njk b/_includes/components/sidebar.njk
index bd1e1f1..af56518 100644
--- a/_includes/components/sidebar.njk
+++ b/_includes/components/sidebar.njk
@@ -134,7 +134,7 @@
           {% elif widget.type == "custom-html" %}
             {% set wConfig = widget.config or {} %}
             <is-land on:visible>
-            <div class="widget">
+            <div class="widget" role="region" aria-label="Custom content">
               {% if wConfig.content %}
               <div class="prose dark:prose-invert prose-sm max-w-none">
                 {{ wConfig.content | safe }}
diff --git a/_includes/components/widgets/blogroll.njk b/_includes/components/widgets/blogroll.njk
index 2c62183..d8a7f19 100644
--- a/_includes/components/widgets/blogroll.njk
+++ b/_includes/components/widgets/blogroll.njk
@@ -9,9 +9,13 @@
   </h3>
 
   {# Source tabs - only shown when multiple sources exist #}
-  <div x-show="tabs.length > 1" class="flex gap-1 mt-3 mb-2 border-b border-surface-200 dark:border-surface-700">
+  <div x-show="tabs.length > 1" class="flex gap-1 mt-3 mb-2 border-b border-surface-200 dark:border-surface-700" role="tablist" aria-label="Blogroll sources">
     <template x-for="tab in tabs" :key="tab.key">
       <button
+        role="tab"
+        :id="'blogroll-tab-' + tab.key"
+        :aria-selected="(activeTab === tab.key).toString()"
+        aria-controls="blogroll-panel"
         @click="activeTab = tab.key"
         :class="activeTab === tab.key
           ? 'border-b-2 border-accent-600 text-accent-600 dark:text-accent-400 dark:border-accent-400'
@@ -22,7 +26,7 @@
     </template>
   </div>
 
-  <ul x-show="filteredBlogs.length > 0" class="space-y-2" :class="tabs.length > 1 ? '' : 'mt-3'">
+  <ul x-show="filteredBlogs.length > 0" class="space-y-2" :class="tabs.length > 1 ? '' : 'mt-3'" role="tabpanel" id="blogroll-panel" :aria-labelledby="'blogroll-tab-' + activeTab">
     <template x-for="blog in filteredBlogs.slice(0, 8)" :key="blog.id">
       <li>
         <a
diff --git a/_includes/components/widgets/fediverse-follow.njk b/_includes/components/widgets/fediverse-follow.njk
index f3ca064..66ac2f1 100644
--- a/_includes/components/widgets/fediverse-follow.njk
+++ b/_includes/components/widgets/fediverse-follow.njk
@@ -24,7 +24,7 @@
   <a href="{{ actorUrl }}"
      @click="handleClick($event)"
      class="inline-flex items-center gap-2 px-4 py-2 rounded-lg bg-[#a730b8]/10 text-[#a730b8] hover:bg-[#a730b8]/20 transition-colors text-sm font-medium cursor-pointer"
-     title="Follow from your fediverse instance (Shift+click to change)">
+     aria-label="Follow on the Fediverse (use the modal to pick your instance)">
     <svg class="w-4 h-4" viewBox="0 0 24 24" fill="currentColor" aria-hidden="true"><path d="M13.09 4.43L24 10.73v2.51L13.09 19.58v-2.51L21.83 12 13.09 6.98v-2.55zM13.09 9.49L17.44 12l-4.35 2.51V9.49z"/><path d="M10.91 4.43L0 10.73v2.51l8.74-5.03v10.09l2.18 1.28V4.43zM6.56 12L2.18 14.51l4.35 2.51V12z"/></svg>
     <span>Follow on the Fediverse</span>
   </a>
diff --git a/_includes/components/widgets/funkwhale.njk b/_includes/components/widgets/funkwhale.njk
index dceb890..843e52a 100644
--- a/_includes/components/widgets/funkwhale.njk
+++ b/_includes/components/widgets/funkwhale.njk
@@ -20,7 +20,7 @@
   {% set npColor = "purple" if fwNow else "red" %}
   <div class="bg-green-50 dark:bg-green-900/20 border border-green-200 dark:border-green-800 rounded-lg p-3 mb-3">
     <div class="flex items-center gap-1.5 text-xs text-green-600 dark:text-green-400 mb-2">
-      <span class="flex gap-0.5 items-end h-2.5">
+      <span class="flex gap-0.5 items-end h-2.5" aria-hidden="true">
         <span class="w-0.5 bg-green-500 animate-pulse" style="height: 30%;"></span>
         <span class="w-0.5 bg-green-500 animate-pulse" style="height: 70%; animation-delay: 0.2s;"></span>
         <span class="w-0.5 bg-green-500 animate-pulse" style="height: 50%; animation-delay: 0.4s;"></span>
diff --git a/_includes/components/widgets/github-repos.njk b/_includes/components/widgets/github-repos.njk
index 5dd550c..3afeeee 100644
--- a/_includes/components/widgets/github-repos.njk
+++ b/_includes/components/widgets/github-repos.njk
@@ -52,7 +52,7 @@
   <div class="h-[420px] overflow-y-auto">
 
     {# Loading state #}
-    <div x-show="loading" class="text-sm text-surface-600 dark:text-surface-400 py-4 text-center">
+    <div x-show="loading" class="text-sm text-surface-600 dark:text-surface-400 py-4 text-center" role="status" aria-live="polite">
       Loading...
     </div>
 
diff --git a/_includes/components/widgets/search.njk b/_includes/components/widgets/search.njk
index ae64bd2..c12c482 100644
--- a/_includes/components/widgets/search.njk
+++ b/_includes/components/widgets/search.njk
@@ -1,6 +1,7 @@
 {# Search Widget — redirects to /search/?q=query #}
 <form action="/search/" method="get" class="flex gap-2">
-  <input type="text" name="q" placeholder="Search..."
+  <label for="widget-search" class="sr-only">Search this site</label>
+  <input id="widget-search" type="text" name="q" placeholder="Search..."
     class="flex-1 min-w-0 px-3 py-2 text-sm rounded-lg border border-surface-300 dark:border-surface-600 bg-white dark:bg-surface-800 text-surface-900 dark:text-surface-100 placeholder-surface-400 dark:placeholder-surface-500">
   <button type="submit" class="px-3 py-2 text-sm font-medium rounded-lg bg-accent-600 text-white hover:bg-accent-700 transition-colors" aria-label="Search">
     <svg class="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
diff --git a/_includes/components/widgets/subscribe.njk b/_includes/components/widgets/subscribe.njk
index 062a7c5..479d1a4 100644
--- a/_includes/components/widgets/subscribe.njk
+++ b/_includes/components/widgets/subscribe.njk
@@ -10,7 +10,7 @@
       RSS Feed
     </a>
     <a href="/feed.json" class="flex items-center gap-2 text-sm text-surface-600 dark:text-surface-400 hover:text-orange-600 dark:hover:text-orange-400 hover:underline transition-colors">
-      <svg class="w-4 h-4 text-yellow-500" fill="currentColor" viewBox="0 0 24 24" aria-hidden="true">
+      <svg class="w-4 h-4 text-orange-500" fill="currentColor" viewBox="0 0 24 24" aria-hidden="true">
         <path d="M5 3h14a2 2 0 0 1 2 2v14a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2V5a2 2 0 0 1 2-2m3 12h2v2H8v-2m4-8h2v10h-2V7m4 4h2v6h-2v-6Z"/>
       </svg>
       JSON Feed
diff --git a/_includes/components/widgets/toc.njk b/_includes/components/widgets/toc.njk
index 9dc9035..9470e02 100644
--- a/_includes/components/widgets/toc.njk
+++ b/_includes/components/widgets/toc.njk
@@ -6,7 +6,7 @@
   <nav class="toc" aria-label="Table of contents">
     <ul class="space-y-1 text-sm">
       {% for item in toc %}
-      <li class="{% if item.level > 2 %}ml-{{ (item.level - 2) * 3 }}{% endif %}">
+      <li class="{% if item.level == 3 %}ml-3{% elif item.level == 4 %}ml-6{% elif item.level == 5 %}ml-9{% elif item.level == 6 %}ml-12{% endif %}">
         <a href="#{{ item.slug }}" class="text-surface-600 dark:text-surface-400 hover:text-accent-600 dark:hover:text-accent-400 hover:underline transition-colors">
           {{ item.text }}
         </a>
diff --git a/_includes/layouts/base.njk b/_includes/layouts/base.njk
index 79b6616..9a01c24 100644
--- a/_includes/layouts/base.njk
+++ b/_includes/layouts/base.njk
@@ -330,7 +330,7 @@
       <div class="grid grid-cols-2 md:grid-cols-4 gap-8 mb-8">
         {# Navigate #}
         <div>
-          <h4 class="text-sm font-semibold uppercase tracking-wider text-surface-600 dark:text-surface-400 mb-3">Navigate</h4>
+          <p class="text-sm font-semibold uppercase tracking-wider text-surface-600 dark:text-surface-400 mb-3" role="heading" aria-level="2">Navigate</p>
           <ul class="space-y-2">
             <li><a href="/" class="text-sm text-surface-600 dark:text-surface-400 hover:text-surface-900 dark:hover:text-surface-100 hover:underline">Home</a></li>
             <li><a href="/about/" class="text-sm text-surface-600 dark:text-surface-400 hover:text-surface-900 dark:hover:text-surface-100 hover:underline">About</a></li>
@@ -340,7 +340,7 @@
         </div>
         {# Content #}
         <div>
-          <h4 class="text-sm font-semibold uppercase tracking-wider text-surface-600 dark:text-surface-400 mb-3">Content</h4>
+          <p class="text-sm font-semibold uppercase tracking-wider text-surface-600 dark:text-surface-400 mb-3" role="heading" aria-level="2">Content</p>
           <ul class="space-y-2">
             <li><a href="/blog/" class="text-sm text-surface-600 dark:text-surface-400 hover:text-surface-900 dark:hover:text-surface-100 hover:underline">Blog</a></li>
             {% for pt in enabledPostTypes %}
@@ -351,16 +351,16 @@
         </div>
         {# Connect #}
         <div>
-          <h4 class="text-sm font-semibold uppercase tracking-wider text-surface-600 dark:text-surface-400 mb-3">Connect</h4>
+          <p class="text-sm font-semibold uppercase tracking-wider text-surface-600 dark:text-surface-400 mb-3" role="heading" aria-level="2">Connect</p>
           <ul class="space-y-2">
             {% for social in site.social %}
-            <li><a href="{{ social.url }}" rel="{{ social.rel }}" target="_blank" class="text-sm text-surface-600 dark:text-surface-400 hover:text-surface-900 dark:hover:text-surface-100 hover:underline">{{ social.name }}</a></li>
+            <li><a href="{{ social.url }}" rel="{{ social.rel }}" target="_blank" class="text-sm text-surface-600 dark:text-surface-400 hover:text-surface-900 dark:hover:text-surface-100 hover:underline" aria-label="{{ social.name }} (opens in new tab)">{{ social.name }}</a></li>
             {% endfor %}
           </ul>
         </div>
         {# Meta #}
         <div>
-          <h4 class="text-sm font-semibold uppercase tracking-wider text-surface-600 dark:text-surface-400 mb-3">Meta</h4>
+          <p class="text-sm font-semibold uppercase tracking-wider text-surface-600 dark:text-surface-400 mb-3" role="heading" aria-level="2">Meta</p>
           <ul class="space-y-2">
             <li><a href="/feed.xml" class="text-sm text-surface-600 dark:text-surface-400 hover:text-surface-900 dark:hover:text-surface-100 hover:underline">RSS Feed</a></li>
             <li><a href="/feed.json" class="text-sm text-surface-600 dark:text-surface-400 hover:text-surface-900 dark:hover:text-surface-100 hover:underline">JSON Feed</a></li>
diff --git a/_includes/layouts/post.njk b/_includes/layouts/post.njk
index c395134..e6a5261 100644
--- a/_includes/layouts/post.njk
+++ b/_includes/layouts/post.njk
@@ -24,16 +24,16 @@ withBlogSidebar: true
       {{ date | dateDisplay }}
     </time></time-difference>
     {% if category %}
-    <span class="post-categories">
+    <ul class="post-categories" role="list" aria-label="Categories">
       {# Handle both string and array categories #}
       {% if category is string %}
-      <a href="/categories/{{ category | slugify }}/" class="p-category">{{ category }}</a>
+      <li><a href="/categories/{{ category | slugify }}/" class="p-category">{{ category }}</a></li>
       {% else %}
       {% for cat in category %}
-      <a href="/categories/{{ cat | slugify }}/" class="p-category">{{ cat }}</a>
+      <li><a href="/categories/{{ cat | slugify }}/" class="p-category">{{ cat }}</a></li>
       {% endfor %}
       {% endif %}
-    </span>
+    </ul>
     {% endif %}
   </div>
 
@@ -54,7 +54,7 @@ withBlogSidebar: true
       {% if photoUrl and photoUrl[0] != '/' and 'http' not in photoUrl %}
         {% set photoUrl = '/' + photoUrl %}
       {% endif %}
-      <img src="{{ photoUrl }}" alt="{{ img.alt | default('Photo') }}" class="u-photo rounded-lg max-w-full" loading="lazy" eleventy:ignore>
+      <img src="{{ photoUrl }}" alt="{{ img.alt | default('Photo from: ' + title) }}" class="u-photo rounded-lg max-w-full" loading="lazy" eleventy:ignore>
     {% endfor %}
   </div>
   {% endif %}
diff --git a/blog.njk b/blog.njk
index 433d75c..c05bbdd 100644
--- a/blog.njk
+++ b/blog.njk
@@ -90,7 +90,7 @@ permalink: "blog/{% if pagination.pageNumber > 0 %}page/{{ pagination.pageNumber
             {{ post.templateContent | safe }}
           </div>
           {% endif %}
-          <a class="u-url text-sm text-red-600 dark:text-red-400 hover:underline mt-3 inline-block" href="{{ post.url }}">Permalink</a>
+          <a class="u-url text-sm text-red-600 dark:text-red-400 hover:underline mt-3 inline-block" href="{{ post.url }}" aria-label="Permalink: {{ post.data.title or ('Like from ' + (post.date | dateDisplay)) }}">Permalink</a>
         </div>
       </div>
 
@@ -134,7 +134,7 @@ permalink: "blog/{% if pagination.pageNumber > 0 %}page/{{ pagination.pageNumber
             {{ post.templateContent | safe }}
           </div>
           {% endif %}
-          <a class="u-url text-sm text-amber-600 dark:text-amber-400 hover:underline mt-3 inline-block" href="{{ post.url }}">Permalink</a>
+          <a class="u-url text-sm text-amber-600 dark:text-amber-400 hover:underline mt-3 inline-block" href="{{ post.url }}" aria-label="Permalink: {{ post.data.title or ('Bookmark from ' + (post.date | dateDisplay)) }}">Permalink</a>
         </div>
       </div>
 
@@ -173,7 +173,7 @@ permalink: "blog/{% if pagination.pageNumber > 0 %}page/{{ pagination.pageNumber
             {{ post.templateContent | safe }}
           </div>
           {% endif %}
-          <a class="u-url text-sm text-green-600 dark:text-green-400 hover:underline mt-3 inline-block" href="{{ post.url }}">Permalink</a>
+          <a class="u-url text-sm text-green-600 dark:text-green-400 hover:underline mt-3 inline-block" href="{{ post.url }}" aria-label="Permalink: {{ post.data.title or ('Repost from ' + (post.date | dateDisplay)) }}">Permalink</a>
         </div>
       </div>
 
@@ -210,7 +210,7 @@ permalink: "blog/{% if pagination.pageNumber > 0 %}page/{{ pagination.pageNumber
           <div class="e-content prose dark:prose-invert prose-sm mt-3 max-w-none">
             {{ post.templateContent | safe }}
           </div>
-          <a class="u-url text-sm text-sky-600 dark:text-sky-400 hover:underline mt-3 inline-block" href="{{ post.url }}">Permalink</a>
+          <a class="u-url text-sm text-sky-600 dark:text-sky-400 hover:underline mt-3 inline-block" href="{{ post.url }}" aria-label="Permalink: {{ post.data.title or ('Reply from ' + (post.date | dateDisplay)) }}">Permalink</a>
         </div>
       </div>
 
@@ -257,7 +257,7 @@ permalink: "blog/{% if pagination.pageNumber > 0 %}page/{{ pagination.pageNumber
             {{ post.templateContent | safe }}
           </div>
           {% endif %}
-          <a class="u-url text-sm text-purple-600 dark:text-purple-400 hover:underline mt-3 inline-block" href="{{ post.url }}">Permalink</a>
+          <a class="u-url text-sm text-purple-600 dark:text-purple-400 hover:underline mt-3 inline-block" href="{{ post.url }}" aria-label="Permalink: {{ post.data.title or ('Photo from ' + (post.date | dateDisplay)) }}">Permalink</a>
         </div>
       </div>
 
@@ -317,7 +317,7 @@ permalink: "blog/{% if pagination.pageNumber > 0 %}page/{{ pagination.pageNumber
         {{ post.templateContent | safe }}
       </div>
       <div class="post-footer mt-3">
-        <a href="{{ post.url }}" class="text-sm text-teal-600 dark:text-teal-400 hover:underline">
+        <a href="{{ post.url }}" class="text-sm text-teal-600 dark:text-teal-400 hover:underline" aria-label="Permalink: {{ post.data.title or ('Note from ' + (post.date | dateDisplay)) }}">
           Permalink
         </a>
       </div>
diff --git a/css/tailwind.css b/css/tailwind.css
index 9c36318..2e77357 100644
--- a/css/tailwind.css
+++ b/css/tailwind.css
@@ -637,7 +637,7 @@
     transition: opacity 0.15s;
   }
   .prose :is(h2, h3, h4):hover > a.header-anchor::after {
-    opacity: 0.6;
+    opacity: 1;
   }
 
   .post-list li {
diff --git a/digest.njk b/digest.njk
index 9532627..541536d 100644
--- a/digest.njk
+++ b/digest.njk
@@ -52,7 +52,7 @@ permalink: "digest/{{ digest.slug }}/"
                 <a href="{{ targetUrl }}" class="text-accent-600 dark:text-accent-400 hover:underline break-all">{{ targetUrl }}</a>
                 <div class="text-sm text-surface-600 dark:text-surface-400 mt-1">
                   <time class="dt-published font-mono text-sm" datetime="{{ post.date | isoDate }}">{{ post.date | dateDisplay }}</time>
-                  &middot; <a href="{{ post.url }}" class="hover:underline">Permalink</a>
+                  &middot; <a href="{{ post.url }}" class="hover:underline" aria-label="Permalink: {{ post.data.title or (post.date | dateDisplay) }}">Permalink</a>
                 </div>
               </div>
             </div>
@@ -69,7 +69,7 @@ permalink: "digest/{{ digest.slug }}/"
                 {% endif %}
                 <div class="text-sm text-surface-600 dark:text-surface-400 mt-1">
                   <time class="dt-published font-mono text-sm" datetime="{{ post.date | isoDate }}">{{ post.date | dateDisplay }}</time>
-                  &middot; <a href="{{ post.url }}" class="hover:underline">Permalink</a>
+                  &middot; <a href="{{ post.url }}" class="hover:underline" aria-label="Permalink: {{ post.data.title or (post.date | dateDisplay) }}">Permalink</a>
                 </div>
               </div>
             </div>
@@ -82,7 +82,7 @@ permalink: "digest/{{ digest.slug }}/"
                 <a href="{{ targetUrl }}" class="text-accent-600 dark:text-accent-400 hover:underline break-all">{{ targetUrl }}</a>
                 <div class="text-sm text-surface-600 dark:text-surface-400 mt-1">
                   <time class="dt-published font-mono text-sm" datetime="{{ post.date | isoDate }}">{{ post.date | dateDisplay }}</time>
-                  &middot; <a href="{{ post.url }}" class="hover:underline">Permalink</a>
+                  &middot; <a href="{{ post.url }}" class="hover:underline" aria-label="Permalink: {{ post.data.title or (post.date | dateDisplay) }}">Permalink</a>
                 </div>
               </div>
             </div>
@@ -105,7 +105,7 @@ permalink: "digest/{{ digest.slug }}/"
               {% endif %}
               <div class="text-sm text-surface-600 dark:text-surface-400 mt-1">
                 <time class="dt-published font-mono text-sm" datetime="{{ post.date | isoDate }}">{{ post.date | dateDisplay }}</time>
-                &middot; <a href="{{ post.url }}" class="hover:underline">Permalink</a>
+                &middot; <a href="{{ post.url }}" class="hover:underline" aria-label="Permalink: {{ post.data.title or (post.date | dateDisplay) }}">Permalink</a>
               </div>
             </div>
 
@@ -119,7 +119,7 @@ permalink: "digest/{{ digest.slug }}/"
               {% endif %}
               <div class="text-sm text-surface-600 dark:text-surface-400 mt-1">
                 <time class="dt-published font-mono text-sm" datetime="{{ post.date | isoDate }}">{{ post.date | dateDisplay }}</time>
-                &middot; <a href="{{ post.url }}" class="hover:underline">Permalink</a>
+                &middot; <a href="{{ post.url }}" class="hover:underline" aria-label="Permalink: {{ post.data.title or (post.date | dateDisplay) }}">Permalink</a>
               </div>
             </div>
 
@@ -128,7 +128,7 @@ permalink: "digest/{{ digest.slug }}/"
               <p class="text-surface-700 dark:text-surface-300">{{ post.templateContent | striptags | truncate(200) }}</p>
               <div class="text-sm text-surface-600 dark:text-surface-400 mt-1">
                 <time class="dt-published font-mono text-sm" datetime="{{ post.date | isoDate }}">{{ post.date | dateDisplay }}</time>
-                &middot; <a href="{{ post.url }}" class="hover:underline">Permalink</a>
+                &middot; <a href="{{ post.url }}" class="hover:underline" aria-label="Permalink: {{ post.data.title or (post.date | dateDisplay) }}">Permalink</a>
               </div>
             </div>
           {% endif %}
diff --git a/featured.njk b/featured.njk
index f418985..018cc2c 100644
--- a/featured.njk
+++ b/featured.njk
@@ -137,7 +137,7 @@ permalink: "featured/{% if pagination.pageNumber > 0 %}page/{{ pagination.pageNu
       <div class="e-content prose dark:prose-invert prose-sm mt-3 max-w-none">{{ post.templateContent | safe }}</div>
       {% endif %}
       <div class="post-footer mt-3">
-        <a href="{{ post.url }}" class="text-sm text-accent-600 dark:text-accent-400 hover:underline">Permalink</a>
+        <a href="{{ post.url }}" class="text-sm text-accent-600 dark:text-accent-400 hover:underline" aria-label="Permalink: {{ post.data.title or ('Post from ' + (post.date | dateDisplay)) }}">Permalink</a>
       </div>
       {% endif %}
 
diff --git a/js/lightbox.js b/js/lightbox.js
index d7616c9..011f6e4 100644
--- a/js/lightbox.js
+++ b/js/lightbox.js
@@ -96,6 +96,23 @@ document.addEventListener("alpine:init", () => {
       if (e.key === "Escape") this.close();
       if (e.key === "ArrowRight") this.next();
       if (e.key === "ArrowLeft") this.prev();
+      if (e.key === "Tab") {
+        const dialog = document.querySelector('[role="dialog"][aria-modal="true"]');
+        if (!dialog) return;
+        const focusable = Array.from(
+          dialog.querySelectorAll('button, [tabindex]:not([tabindex="-1"])')
+        ).filter((el) => el.offsetParent !== null);
+        if (!focusable.length) return;
+        const first = focusable[0];
+        const last = focusable[focusable.length - 1];
+        if (e.shiftKey && document.activeElement === first) {
+          e.preventDefault();
+          last.focus();
+        } else if (!e.shiftKey && document.activeElement === last) {
+          e.preventDefault();
+          first.focus();
+        }
+      }
     },
   }));
 });
diff --git a/likes.njk b/likes.njk
index ad38519..08efc58 100644
--- a/likes.njk
+++ b/likes.njk
@@ -62,7 +62,7 @@ permalink: "likes/{% if pagination.pageNumber > 0 %}page/{{ pagination.pageNumbe
             {{ post.templateContent | safe }}
           </div>
           {% endif %}
-          <a class="u-url text-sm text-red-600 dark:text-red-400 hover:underline mt-3 inline-block" href="{{ post.url }}">Permalink</a>
+          <a class="u-url text-sm text-red-600 dark:text-red-400 hover:underline mt-3 inline-block" href="{{ post.url }}" aria-label="Permalink: {{ post.data.title or ('Like from ' + (post.date | dateDisplay)) }}">Permalink</a>
         </div>
       </div>
     </li>
diff --git a/notes.njk b/notes.njk
index 55aa96e..46670d4 100644
--- a/notes.njk
+++ b/notes.njk
@@ -48,7 +48,7 @@ permalink: "notes/{% if pagination.pageNumber > 0 %}page/{{ pagination.pageNumbe
         {{ post.templateContent | safe }}
       </div>
       <div class="post-footer mt-3">
-        <a href="{{ post.url }}" class="text-sm text-teal-600 dark:text-teal-400 hover:underline">
+        <a href="{{ post.url }}" class="text-sm text-teal-600 dark:text-teal-400 hover:underline" aria-label="Permalink: {{ post.data.title or ('Note from ' + (post.date | dateDisplay)) }}">
           Permalink
         </a>
       </div>
diff --git a/photos.njk b/photos.njk
index bce12c1..4fcdf5a 100644
--- a/photos.njk
+++ b/photos.njk
@@ -59,7 +59,7 @@ permalink: "photos/{% if pagination.pageNumber > 0 %}page/{{ pagination.pageNumb
       {% if post.templateContent %}
       <div class="e-content photo-caption prose dark:prose-invert prose-sm mt-3 max-w-none">{{ post.templateContent | safe }}</div>
       {% endif %}
-      <a class="u-url text-sm text-purple-600 dark:text-purple-400 hover:underline mt-3 inline-block" href="{{ post.url }}">Permalink</a>
+      <a class="u-url text-sm text-purple-600 dark:text-purple-400 hover:underline mt-3 inline-block" href="{{ post.url }}" aria-label="Permalink: {{ post.data.title or ('Photo from ' + (post.date | dateDisplay)) }}">Permalink</a>
     </li>
     {% endfor %}
   </ul>
diff --git a/podroll.njk b/podroll.njk
index 0cf5551..29d4f01 100644
--- a/podroll.njk
+++ b/podroll.njk
@@ -104,6 +104,7 @@ permalink: /podroll/
                 preload="none"
                 class="w-full h-10 rounded-lg"
                 :src="episode.enclosure?.url"
+                :aria-label="'Play: ' + episode.title"
               >
                 Your browser does not support the audio element.
               </audio>
diff --git a/replies.njk b/replies.njk
index 883378e..fb57629 100644
--- a/replies.njk
+++ b/replies.njk
@@ -91,7 +91,7 @@ permalink: "replies/{% if pagination.pageNumber > 0 %}page/{{ pagination.pageNum
           <div class="e-content prose dark:prose-invert prose-sm mt-3 max-w-none">
             {{ post.templateContent | safe }}
           </div>
-          <a class="u-url text-sm text-sky-600 dark:text-sky-400 hover:underline mt-3 inline-block" href="{{ post.url }}">Permalink</a>
+          <a class="u-url text-sm text-sky-600 dark:text-sky-400 hover:underline mt-3 inline-block" href="{{ post.url }}" aria-label="Permalink: {{ post.data.title or ('Reply from ' + (post.date | dateDisplay)) }}">Permalink</a>
         </div>
       </div>
     </li>
diff --git a/reposts.njk b/reposts.njk
index 1018980..9504208 100644
--- a/reposts.njk
+++ b/reposts.njk
@@ -67,7 +67,7 @@ permalink: "reposts/{% if pagination.pageNumber > 0 %}page/{{ pagination.pageNum
             {{ post.templateContent | safe }}
           </div>
           {% endif %}
-          <a class="u-url text-sm text-green-600 dark:text-green-400 hover:underline mt-3 inline-block" href="{{ post.url }}">Permalink</a>
+          <a class="u-url text-sm text-green-600 dark:text-green-400 hover:underline mt-3 inline-block" href="{{ post.url }}" aria-label="Permalink: {{ post.data.title or ('Repost from ' + (post.date | dateDisplay)) }}">Permalink</a>
         </div>
       </div>
     </li>