diff --git a/.github/workflows/lychee.yml b/.github/workflows/lychee.yml
new file mode 100644
index 0000000..96ccd0a
--- /dev/null
+++ b/.github/workflows/lychee.yml
@@ -0,0 +1,32 @@
+name: Build site and run lychee
+
+on:
+  push:
+    branches:
+      - main
+    tags:
+      - "v*"
+  pull_request:
+  workflow_dispatch:
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  # This runs on every PR push because it's super cheap
+  zola-build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout main
+        uses: actions/checkout@v4
+      - name: Build only
+        uses: shalzz/zola-deploy-action@v0.22.1
+        env:
+          BUILD_ONLY: true
+      - name: Link Checker
+        id: lychee
+        uses: lycheeverse/lychee-action@v2
+        with:
+          fail: true # fail workflow run on error
+          args: --root-dir "$(pwd)/public" public --exclude ".+\.analog.com"
diff --git a/templates/_macros.html b/templates/_macros.html
index 12ee54e..b045cc0 100644
--- a/templates/_macros.html
+++ b/templates/_macros.html
@@ -37,7 +37,7 @@ <h1 class="mb-1 mt-1 mr-2 leading-0"><a href="{{ prefix }}/" class="text-white t
                              <path fill="currentColor" d="m 24,2 v 14 c 0,1.1 -0.9,2 -2,2 H 2 C 0.9,18 0,17.1 0,16 V 2 C 0,0.9 0.9,0 2,0 h 20 c 1.1,0 2,0.9 2,2 z M 22,2 H 2 V 2.01 L 12,9 22,2.01 Z m 0,14 V 4.99 L 12,11 2,4.99 V 16 Z" />
                            </svg>
                     </a>
-                    <a href="https://www.linkedin.com/company/munich-embedded-conference" target="_blank"
+                    <a href="https://www.linkedin.com/showcase/munich-embedded" target="_blank"
                        title="{{ trans(key="linkedin_tooltip", lang=lang) }}"
                        class="px-1 text-white hover:text-blue-200">
                         <svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24">
@@ -105,7 +105,7 @@ <h1 class="mb-1 mt-1 mr-2 leading-0"><a href="{{ prefix }}/" class="text-white t
                              <path fill="currentColor" d="m 24,2 v 14 c 0,1.1 -0.9,2 -2,2 H 2 C 0.9,18 0,17.1 0,16 V 2 C 0,0.9 0.9,0 2,0 h 20 c 1.1,0 2,0.9 2,2 z M 22,2 H 2 V 2.01 L 12,9 22,2.01 Z m 0,14 V 4.99 L 12,11 2,4.99 V 16 Z" />
                            </svg>
                     </a>
-                    <a href="https://www.linkedin.com/company/munich-embedded-conference" target="_blank"
+                    <a href="https://www.linkedin.com/showcase/munich-embedded" target="_blank"
                        title="{{ trans(key="linkedin_tooltip", lang=lang) }}"
                        class="px-1 text-white hover:text-blue-200">
                         <svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24">
diff --git a/templates/community.html b/templates/community.html
index 2927b65..3659d85 100644
--- a/templates/community.html
+++ b/templates/community.html
@@ -41,7 +41,7 @@ <h3 class="text-lg font-bold mb-2 group-hover:text-blue-600 transition-colors du
                     </div>
                 </a>
                 <!-- LinkedIn -->
-                <a href="https://www.linkedin.com/company/munich-embedded-conference" target="_blank" class="block group">
+                <a href="https://www.linkedin.com/showcase/munich-embedded" target="_blank" class="block group">
                     <div class="highlighted-grid-element flex flex-col items-center justify-center py-10 h-full">
                         <svg xmlns="http://www.w3.org/2000/svg" width="48" height="48" viewBox="0 0 24 24" class="mb-4 text-gray-700 group-hover:text-blue-600 transition-colors duration-300">
                             <path fill="currentColor" d="M19 0h-14c-2.761 0-5 2.239-5 5v14c0 2.761 2.239 5 5 5h14c2.762 0 5-2.239 5-5v-14c0-2.761-2.238-5-5-5zm-11 19h-3v-11h3v11zm-1.5-12.268c-.966 0-1.75-.79-1.75-1.764s.784-1.764 1.75-1.764 1.75.79 1.75 1.764-.783 1.764-1.75 1.764zm13.5 12.268h-3v-5.604c0-3.368-4-3.113-4 0v5.604h-3v-11h3v1.765c1.396-2.586 7-2.777 7 2.476v6.759z" />
diff --git a/templates/index.html b/templates/index.html
index 75e1cef..c333e5d 100644
--- a/templates/index.html
+++ b/templates/index.html
@@ -151,7 +151,7 @@ <h2 class="text-2xl md:text-3xl font-bold text-center mb-8">Vorträge</h2>
                     <!-- Lightning Talk 1 -->
                     <div class="highlighted-grid-element bg-white" id="lightning-talk-1">
                         <div class="text-center mb-4">
-                            <img src="/speakers/placeholder.jpg" loading="lazy" alt="Speaker" class="w-32 h-32 mx-auto rounded-full object-cover mb-4">
+                            <img src="/speakers/placeholder-speaker.svg" loading="lazy" alt="Speaker" class="w-32 h-32 mx-auto rounded-full object-cover mb-4">
                             <h3 class="text-lg font-bold mb-2">TBD</h3>
                             <span class="inline-block bg-orange-100 text-orange-800 px-2 py-1 rounded-full text-sm font-medium">Lightning Talk (10 min)</span>
                         </div>
@@ -167,7 +167,7 @@ <h4 class="font-bold text-gray-800 mb-2">Abstract</h4>
                     <!-- Talk 1 -->
                     <div class="highlighted-grid-element bg-white" id="talk-1">
                         <div class="text-center mb-4">
-                            <img src="/speakers/placeholder.jpg" loading="lazy" alt="Speaker" class="w-32 h-32 mx-auto rounded-full object-cover mb-4">
+                            <img src="/speakers/placeholder-speaker.svg" loading="lazy" alt="Speaker" class="w-32 h-32 mx-auto rounded-full object-cover mb-4">
                             <h3 class="text-lg font-bold mb-2">TBD</h3>
                             <span class="inline-block bg-green-100 text-green-800 px-2 py-1 rounded-full text-sm font-medium">Technical Talk (25 min)</span>
                         </div>
@@ -183,7 +183,7 @@ <h4 class="font-bold text-gray-800 mb-2">Abstract</h4>
                     <!-- Lightning Talk 2 -->
                     <div class="highlighted-grid-element bg-white" id="lightning-talk-2">
                         <div class="text-center mb-4">
-                            <img src="/speakers/placeholder.jpg" loading="lazy" alt="Speaker" class="w-32 h-32 mx-auto rounded-full object-cover mb-4">
+                            <img src="/speakers/placeholder-speaker.svg" loading="lazy" alt="Speaker" class="w-32 h-32 mx-auto rounded-full object-cover mb-4">
                             <h3 class="text-lg font-bold mb-2">TBD</h3>
                             <span class="inline-block bg-orange-100 text-orange-800 px-2 py-1 rounded-full text-sm font-medium">Lightning Talk (10 min)</span>
                         </div>
@@ -199,7 +199,7 @@ <h4 class="font-bold text-gray-800 mb-2">Abstract</h4>
                     <!-- Talk 2 -->
                     <div class="highlighted-grid-element bg-white" id="talk-2">
                         <div class="text-center mb-4">
-                            <img src="/speakers/placeholder.jpg" loading="lazy" alt="Speaker" class="w-32 h-32 mx-auto rounded-full object-cover mb-4">
+                            <img src="/speakers/placeholder-speaker.svg" loading="lazy" alt="Speaker" class="w-32 h-32 mx-auto rounded-full object-cover mb-4">
                             <h3 class="text-lg font-bold mb-2">TBD</h3>
                             <span class="inline-block bg-green-100 text-green-800 px-2 py-1 rounded-full text-sm font-medium">Technical Talk (25 min)</span>
                         </div>
diff --git a/templates/index_en.html b/templates/index_en.html
index d1d96c1..d8062a9 100644
--- a/templates/index_en.html
+++ b/templates/index_en.html
@@ -151,7 +151,7 @@ <h2 class="text-2xl md:text-3xl font-bold text-center mb-8">Talks</h2>
                     <!-- Lightning Talk 1 -->
                     <div class="highlighted-grid-element bg-white" id="lightning-talk-1">
                         <div class="text-center mb-4">
-                            <img src="/speakers/placeholder.jpg" loading="lazy" alt="Speaker" class="w-32 h-32 mx-auto rounded-full object-cover mb-4">
+                            <img src="/speakers/placeholder-speaker.svg" loading="lazy" alt="Speaker" class="w-32 h-32 mx-auto rounded-full object-cover mb-4">
                             <h3 class="text-lg font-bold mb-2">TBD</h3>
                             <span class="inline-block bg-orange-100 text-orange-800 px-2 py-1 rounded-full text-sm font-medium">Lightning Talk (10 min)</span>
                         </div>
@@ -167,7 +167,7 @@ <h4 class="font-bold text-gray-800 mb-2">Abstract</h4>
                     <!-- Talk 1 -->
                     <div class="highlighted-grid-element bg-white" id="talk-1">
                         <div class="text-center mb-4">
-                            <img src="/speakers/placeholder.jpg" loading="lazy" alt="Speaker" class="w-32 h-32 mx-auto rounded-full object-cover mb-4">
+                            <img src="/speakers/placeholder-speaker.svg" loading="lazy" alt="Speaker" class="w-32 h-32 mx-auto rounded-full object-cover mb-4">
                             <h3 class="text-lg font-bold mb-2">TBD</h3>
                             <span class="inline-block bg-green-100 text-green-800 px-2 py-1 rounded-full text-sm font-medium">Technical Talk (25 min)</span>
                         </div>
@@ -183,7 +183,7 @@ <h4 class="font-bold text-gray-800 mb-2">Abstract</h4>
                     <!-- Lightning Talk 2 -->
                     <div class="highlighted-grid-element bg-white" id="lightning-talk-2">
                         <div class="text-center mb-4">
-                            <img src="/speakers/placeholder.jpg" loading="lazy" alt="Speaker" class="w-32 h-32 mx-auto rounded-full object-cover mb-4">
+                            <img src="/speakers/placeholder-speaker.svg" loading="lazy" alt="Speaker" class="w-32 h-32 mx-auto rounded-full object-cover mb-4">
                             <h3 class="text-lg font-bold mb-2">TBD</h3>
                             <span class="inline-block bg-orange-100 text-orange-800 px-2 py-1 rounded-full text-sm font-medium">Lightning Talk (10 min)</span>
                         </div>
@@ -199,7 +199,7 @@ <h4 class="font-bold text-gray-800 mb-2">Abstract</h4>
                     <!-- Talk 2 -->
                     <div class="highlighted-grid-element bg-white" id="talk-2">
                         <div class="text-center mb-4">
-                            <img src="/speakers/placeholder.jpg" loading="lazy" alt="Speaker" class="w-32 h-32 mx-auto rounded-full object-cover mb-4">
+                            <img src="/speakers/placeholder-speaker.svg" loading="lazy" alt="Speaker" class="w-32 h-32 mx-auto rounded-full object-cover mb-4">
                             <h3 class="text-lg font-bold mb-2">TBD</h3>
                             <span class="inline-block bg-green-100 text-green-800 px-2 py-1 rounded-full text-sm font-medium">Technical Talk (25 min)</span>
                         </div>