diff --git a/content/public/content.md b/content/public/content.md
index 120e2d5e..2e68b02c 100644
--- a/content/public/content.md
+++ b/content/public/content.md
@@ -1,5 +1,6 @@
 ---
 title: Josh Bruce's personal site
+created: 20210101
 header_quote: Welcome to the rabbit-hole.
 copyright: Joshua C. Bruce
 copyright_year: 2004
diff --git a/src/Content/FrontMatter.php b/src/Content/FrontMatter.php
index dd0eaf95..352bd461 100644
--- a/src/Content/FrontMatter.php
+++ b/src/Content/FrontMatter.php
@@ -4,6 +4,9 @@
 
 namespace JoshBruce\Site\Content;
 
+use DateTime;
+// use Carbon\Carbon;
+
 class FrontMatter
 {
     /**
@@ -45,26 +48,37 @@ public function data(): array
         return [];
     }
 
-    public function created(): int|false
+    public function created(string $format = ''): string|int|false
     {
-        if ($this->hasMember('created')) {
-            return $this->frontMatter['created'];
-        }
-        return false;
+        return $this->dateField('created', $format);
     }
 
-    public function moved(): int|false
+    public function moved(string $format = ''): string|int|false
     {
-        if ($this->hasMember('moved')) {
-            return $this->frontMatter['moved'];
-        }
-        return false;
+        return $this->dateField('moved', $format);
     }
 
-    public function updated(): int|false
+    public function updated(string $format = ''): string|int|false
     {
-        if ($this->hasMember('updated')) {
-            return $this->frontMatter['updated'];
+        return $this->dateField('updated', $format);
+    }
+
+    private function dateField(
+        string $key,
+        string $format = ''
+    ): string|int|false {
+        if ($this->hasMember($key)) {
+            $date = $this->frontMatter[$key];
+            if (strlen($format) === 0) {
+                return $date;
+
+            }
+
+            $date = DateTime::createFromFormat('Ymd', strval($date));
+            if ($date) {
+                return $date->format($format);
+
+            }
         }
         return false;
     }
diff --git a/src/Documents/Sitemap.php b/src/Documents/Sitemap.php
index d40e7e07..861f690d 100644
--- a/src/Documents/Sitemap.php
+++ b/src/Documents/Sitemap.php
@@ -26,10 +26,40 @@ public static function create(FileSystemInterface $fileSystem): string
         $urls = [];
         foreach ($files as $file) {
             $path = strval(str_replace('/content.md', '', $file->path()));
+            $frontMatter = Markdown::for($file, $fileSystem)->frontMatter();
+            $date = '';
+            if ($frontMatter->hasMember('updated')) {
+                $date = $frontMatter->updated('Y-m-d');
+
+            } elseif ($frontMatter->hasMember('created')) {
+                $date = $frontMatter->created('Y-m-d');
+
+            }
+
+            if (is_string($date) and strlen($date) === 0) {
+                continue;
+            }
+
+            $priority = 0.5;
+            if (
+                str_starts_with(
+                    $file->path(false),
+                    '/finances/building-wealth-paycheck-to-paycheck/'
+                )
+            ) {
+                $priority = 0.0;
+
+            } elseif (str_starts_with($file->path(false), '/finances')) {
+                $priority = 0.1;
+
+            }
+
             $urls[$path] = Element::url(
                 Element::loc(
                     File::at($path, $fileSystem)->canonicalUrl()
-                )
+                ),
+                Element::lastmod($date),
+                Element::priority($priority)
             );
         }
         ksort($urls);
diff --git a/src/PageComponents/DateBlock.php b/src/PageComponents/DateBlock.php
index f414ab71..64f68c23 100644
--- a/src/PageComponents/DateBlock.php
+++ b/src/PageComponents/DateBlock.php
@@ -47,7 +47,7 @@ public static function create(FrontMatter $frontMatter): string
 
     private static function timestamp(
         string $label,
-        int|false $date = false,
+        string|int|false $date = false,
         string $schemaProp = ''
     ): Element|string {
         if (! $date) {
diff --git a/tests/SitemapTest.php b/tests/SitemapTest.php
index 225e72f4..f397afa6 100644
--- a/tests/SitemapTest.php
+++ b/tests/SitemapTest.php
@@ -44,7 +44,7 @@
         $xml->body()
     )->toBe(<<<xml
         <?xml version = "1.0" encoding = "UTF-8" standalone = "yes" ?>
-        <urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9"><url><loc>https://joshbruce.com</loc></url><url><loc>https://joshbruce.com/published-sub</loc></url><url><loc>https://joshbruce.com/published-sub/published-sub-sub</loc></url></urlset>
+        <urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9"><url><loc>https://joshbruce.com</loc><lastmod>2021-11-03</lastmod><priority>0.5</priority></url><url><loc>https://joshbruce.com/published-sub</loc><lastmod>2021-11-13</lastmod><priority>0.5</priority></url></urlset>
         xml
     );
 })->group('request', 'response', 'sitemap');
diff --git a/tests/test-content/content/public/content.md b/tests/test-content/content/public/content.md
index dd6d1e76..922973cb 100644
--- a/tests/test-content/content/public/content.md
+++ b/tests/test-content/content/public/content.md
@@ -1,6 +1,7 @@
 ---
 title: Test content root
 description: Lorem ipsum dolor sit amet, consectetur adipiscing elit. Fusce felis arcu, molestie nec imperdiet eu, tristique ut elit. Curabitur "iaculis" sodales turpis a pellentesque's. In ac nibh ex. Maecenas ornare in nisi ut commodo. Etiam consequat aliquam erat. Quisque varius mattis risus, consequat viverra eros scelerisque in. Nulla faucibus porta libero a sollicitudin. Class aptent taciti sociosqu ad litora torquent per conubia nostra, per inceptos himenaeos. Duis finibus placerat ante faucibus hendrerit. Phasellus condimentum nisi sed velit pretium, at feugiat quam convallis.
+created: 2021113
 ---
 
 # Heading in the way
diff --git a/tests/test-content/content/public/published-sub/content.md b/tests/test-content/content/public/published-sub/content.md
index 502805a7..3a044e08 100644
--- a/tests/test-content/content/public/published-sub/content.md
+++ b/tests/test-content/content/public/published-sub/content.md
@@ -1,5 +1,7 @@
 ---
 title: Sub-folder content title
+created: 20211001
+updated: 20211113
 ---
 
 # Heading in the way