diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 5215541..0584e70 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -1,35 +1,68 @@
 name: Test
 
 on:
-  push:
-    branches: [ main ]
-  pull_request:
-    branches: [ main ]
+    push:
+        branches: [ main ]
+    pull_request:
+        branches: [ main ]
 
-  workflow_dispatch:
+    workflow_dispatch:
 
 jobs:
-  lint:
-    name: Lint
-    runs-on: ubuntu-latest
+    lint:
+        name: Lint
+        runs-on: ubuntu-latest
 
-    steps:
-      - name: Checkout repository
-        uses: actions/checkout@v3
-      - name: Set up Node.js
-        uses: actions/setup-node@v3
-        with:
-          node-version: 'lts/*'
-      - name: Install dependencies
-        run: npm ci
-      - name: Run linter
-        run: npm run sass:lint
-      - name: Check EditorConfig configuration
-        run: test -f .editorconfig
-      - name: Check adherence to EditorConfig
-        uses: greut/eclint-action@v0
-        with:
-          eclint_args: |
-            -exclude=css/*
-      - name: Search for misspellings
-        uses: crate-ci/typos@master
+        steps:
+        -
+            name: Checkout repository
+            uses: actions/checkout@v3
+        -
+            name: Set up Node.js
+            uses: actions/setup-node@v3
+            with:
+                node-version: 'lts/*'
+        -
+            name: Install dependencies
+            run: npm ci
+        -
+            name: Run linter
+            run: npm run sass:lint
+        -
+            name: Check EditorConfig configuration
+            run: test -f .editorconfig
+        -
+            name: Check adherence to EditorConfig
+            uses: greut/eclint-action@v0
+            with:
+                eclint_args: |
+                    -exclude=css/*
+        -
+            name: Search for misspellings
+            uses: crate-ci/typos@master
+
+    lint_front_matter:
+        name: Lint Front Matter
+        runs-on: ubuntu-latest
+
+        steps:
+        -
+            name: Checkout repository
+            uses: actions/checkout@v3
+        -
+            name: Cache pip
+            uses: actions/cache@v3
+            with:
+                path: '~/.cache/pip'
+                key: '${{ runner.os }}-pip-yamllint'
+        -
+            name: Install yamllint
+            run: pip install --user yamllint
+        -
+            name: Remove document contents
+            run: |
+                git ls-files -z -- 'src/**.md' | xargs -0 -n 1 -- sed -i -e 'N;P;/---\n$/Q;D'
+        -
+            name: Check Front Matter
+            run: |
+                git ls-files -z -- 'src/**.md' | xargs -0 -n 1 -- python -m yamllint
diff --git a/.yamllint.yml b/.yamllint.yml
new file mode 100644
index 0000000..2f3aab1
--- /dev/null
+++ b/.yamllint.yml
@@ -0,0 +1,20 @@
+---
+extends: "default"
+
+rules:
+    document-start:
+        present: true
+    braces:
+        forbid: true
+    brackets:
+        forbid: false
+    empty-values:
+        forbid-in-block-mappings: true
+        forbid-in-flow-mappings: true
+    indentation:
+        spaces: 4
+        indent-sequences: false
+    line-length: "disable"
+    quoted-strings:
+        quote-type: "double"
+        required: true
diff --git a/src/_includes/layout/base.html b/src/_includes/layout/base.html
index bbd86b8..b41da49 100644
--- a/src/_includes/layout/base.html
+++ b/src/_includes/layout/base.html
@@ -56,7 +56,7 @@
         <script defer src="https://cdn.jsdelivr.net/npm/alpinejs@3.x.x/dist/cdn.min.js"></script>
         <script defer src="/js/theme-switcher.js"></script>
         <script defer src="https://cdn.jsdelivr.net/npm/apexcharts"></script>
-        <script defer src="/js/charts.js" type="module"></script>
-        <script defer src="/js/repeater.js" type="module"></script>
+        <script src="/js/charts.js" type="module"></script>
+        <script src="/js/repeater.js" type="module"></script>
     </body>
 </html>
diff --git a/src/account.md b/src/account.md
index cb142d3..d5dfe12 100644
--- a/src/account.md
+++ b/src/account.md
@@ -3,11 +3,11 @@ title: "Account"
 layout: "layout/account.html"
 breadcrumbs:
 -
-  caption: "Dashboard"
-  url: "/"
+    caption: "Dashboard"
+    url: "/"
 -
-  caption: "Account"
-  url: null
+    caption: "Account"
+    url: null
 ---
 
 <div class="app-card app-card--info">
diff --git a/src/categories.md b/src/categories.md
index f51d2ec..e947566 100644
--- a/src/categories.md
+++ b/src/categories.md
@@ -3,9 +3,9 @@ title: "Categories"
 layout: "layout/categories.html"
 breadcrumbs:
 -
-  caption: "Dashboard"
-  url: "/"
+    caption: "Dashboard"
+    url: "/"
 -
-  caption: "Categories"
-  url: null
+    caption: "Categories"
+    url: null
 ---
diff --git a/src/customers.md b/src/customers.md
index bdd49fb..3ec50da 100644
--- a/src/customers.md
+++ b/src/customers.md
@@ -3,9 +3,9 @@ title: "Customers"
 layout: "layout/customers.html"
 breadcrumbs:
 -
-  caption: "Dashboard"
-  url: "/"
+    caption: "Dashboard"
+    url: "/"
 -
-  caption: "Customers"
-  url: null
+    caption: "Customers"
+    url: null
 ---
diff --git a/src/notifications.md b/src/notifications.md
index f035dd8..94ed1d7 100644
--- a/src/notifications.md
+++ b/src/notifications.md
@@ -4,14 +4,14 @@ layout: "layout/account.html"
 permalink: "account/notifications/"
 breadcrumbs:
 -
-  caption: "Dashboard"
-  url: "/"
+    caption: "Dashboard"
+    url: "/"
 -
-  caption: "Account"
-  url: "/account/"
+    caption: "Account"
+    url: "/account/"
 -
-  caption: "Notifications"
-  url: null
+    caption: "Notifications"
+    url: null
 ---
 
 <h3>Notifications</h3>
diff --git a/src/orders.md b/src/orders.md
index e379d74..6f00f11 100644
--- a/src/orders.md
+++ b/src/orders.md
@@ -3,9 +3,9 @@ title: "Orders"
 layout: "layout/orders.html"
 breadcrumbs:
 -
-  caption: "Dashboard"
-  url: "/"
+    caption: "Dashboard"
+    url: "/"
 -
-  caption: "Orders"
-  url: null
+    caption: "Orders"
+    url: null
 ---
diff --git a/src/password.md b/src/password.md
index 9eb081d..4983e21 100644
--- a/src/password.md
+++ b/src/password.md
@@ -4,14 +4,14 @@ layout: "layout/account.html"
 permalink: "account/password/"
 breadcrumbs:
 -
-  caption: "Dashboard"
-  url: "/"
+    caption: "Dashboard"
+    url: "/"
 -
-  caption: "Account"
-  url: "/account/"
+    caption: "Account"
+    url: "/account/"
 -
-  caption: "Password"
-  url: null
+    caption: "Password"
+    url: null
 ---
 
 <h3>Set up a new password</h3>
diff --git a/src/product-edit.md b/src/product-edit.md
index e39f2f4..065cb1a 100644
--- a/src/product-edit.md
+++ b/src/product-edit.md
@@ -4,12 +4,12 @@ layout: "layout/product-edit.html"
 permalink: "product/edit/"
 breadcrumbs:
 -
-  caption: "Dashboard"
-  url: "/"
+    caption: "Dashboard"
+    url: "/"
 -
-  caption: "Products"
-  url: "/products/"
+    caption: "Products"
+    url: "/products/"
 -
-  caption: "Edit"
-  url: null
+    caption: "Edit"
+    url: null
 ---
diff --git a/src/products.md b/src/products.md
index dad3b24..6519bbc 100644
--- a/src/products.md
+++ b/src/products.md
@@ -3,9 +3,9 @@ title: "Products"
 layout: "layout/products.html"
 breadcrumbs:
 -
-  caption: "Dashboard"
-  url: "/"
+    caption: "Dashboard"
+    url: "/"
 -
-  caption: "Products"
-  url: null
+    caption: "Products"
+    url: null
 ---
diff --git a/src/profile.md b/src/profile.md
index 9678d83..65b0997 100644
--- a/src/profile.md
+++ b/src/profile.md
@@ -4,14 +4,14 @@ layout: "layout/account.html"
 permalink: "account/profile/"
 breadcrumbs:
 -
-  caption: "Dashboard"
-  url: "/"
+    caption: "Dashboard"
+    url: "/"
 -
-  caption: "Account"
-  url: "/account/"
+    caption: "Account"
+    url: "/account/"
 -
-  caption: "Profile"
-  url: null
+    caption: "Profile"
+    url: null
 ---
 
 <h3>Personal Information</h3>
diff --git a/src/settings.md b/src/settings.md
index 88747c7..dd15a8c 100644
--- a/src/settings.md
+++ b/src/settings.md
@@ -3,9 +3,9 @@ title: "Settings"
 layout: "layout/settings.html"
 breadcrumbs:
 -
-  caption: "Dashboard"
-  url: "/"
+    caption: "Dashboard"
+    url: "/"
 -
-  caption: "Settings"
-  url: null
+    caption: "Settings"
+    url: null
 ---