diff --git a/_config.yml b/_config.yml
index 1da5008..ebf007c 100644
--- a/_config.yml
+++ b/_config.yml
@@ -1,4 +1,5 @@
 exclude:
   - CNAME
   - Gemfile*
-url: "https://lineofflig.ht"
+title: Line of Flight
+url: https://lineofflig.ht
diff --git a/_layouts/default.html b/_layouts/default.html
index a3b768e..7f9584c 100644
--- a/_layouts/default.html
+++ b/_layouts/default.html
@@ -7,22 +7,32 @@
   <head>
     <meta charset="UTF-8" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-    <meta name="description" content="{{ page.description }}" />
-    <meta property="og:title" content="Line of Flight" />
+    <meta property="og:title" content="{{ site.title }} | {{ page.title }}" />
+
+    <!-- Open Graph tags -->
     <meta property="og:description" content="{{ page.description }}" />
+    <meta property="og:type" content="website" />
+    <meta property="og:url" content="{{ site.url }}{{ page.url }}" />
     <meta
       property="og:image"
-      content="{{ site.url }}/line-of-flight-1200x630.jpg"
+      content="{{ site.url }}/line-of-flight-1200x630.jpg?v={{ site.time | date: '%s' }}"
     />
-    <meta property="og:url" content="{{ site.url }}{{ page.url }}" />
-    <meta
-      name="twitter:card"
-      content="{{ site.url }}/line-of-flight-1200x630.jpg"
+    <meta property="og:site_name" content="{{ site.title }}" />
+
+    <link rel="icon" href="/favicon.ico?v={{ site.time | date: '%s' }}" />
+    <link
+      rel="icon"
+      type="image/png"
+      sizes="32x32"
+      href="/favicon-32x32.png?v={{ site.time | date: '%s' }}"
+    />
+    <link
+      rel="icon"
+      type="image/png"
+      sizes="16x16"
+      href="/favicon-16x16.png?v={{ site.time | date: '%s' }}"
     />
-    <link rel="icon" href="/favicon.ico" />
-    <link rel="icon" type="image/png" sizes="32x32" href="/favicon-32x32.png" />
-    <link rel="icon" type="image/png" sizes="16x16" href="/favicon-16x16.png" />
-    <title>Line of Flight | {{ page.title }}</title>
+    <title>{{ site.title }} | {{ page.title }}</title>
     <link rel="stylesheet" href="https://fonts.xz.style/serve/inter.css" />
     <link
       rel="stylesheet"
diff --git a/index.html b/index.html
index 7253eab..6c2f44a 100644
--- a/index.html
+++ b/index.html
@@ -5,7 +5,7 @@
 ---
 
 <img
-  src="/line-of-flight.gif"
+  src="/line-of-flight.gif?v={{ site.time | date: '%s' }}"
   alt="quirky character with purple hair, colorful outfit, and friendly smile"
 />
 <p>New things</p>
diff --git a/join/index.html b/join/index.html
index 637a8a2..73accff 100644
--- a/join/index.html
+++ b/join/index.html
@@ -1,11 +1,11 @@
 ---
 layout: default
 title: Join
-description: Reach out to join@lineofflig.ht.
+description: "Reach out: join@lineofflig.ht"
 ---
 
 <img
-  src="../line-of-flight.gif"
+  src="../line-of-flight.gif?v={{ site.time | date: '%s' }}"
   alt="quirky character with purple hair, colorful outfit, and friendly smile"
 />
 
