diff --git a/AGENTS.md b/AGENTS.md
index c4e6753ca..6c65770db 100644
--- a/AGENTS.md
+++ b/AGENTS.md
@@ -41,6 +41,7 @@
 ## GitHub Commit Messages
 
 - If multiple changes are made then list changes using bullet points.
+- Pull requests should contain a single commit. Squash commits before pushing, including fixes for review feedback.
 
 ## Documentation
 
diff --git a/website/astro.config.mjs b/website/astro.config.mjs
index be2ada13b..15c62f9ce 100644
--- a/website/astro.config.mjs
+++ b/website/astro.config.mjs
@@ -120,6 +120,50 @@ export default defineConfig({
             content: 'light dark',
           },
         },
+        {
+          tag: 'meta',
+          attrs: {
+            property: 'og:image',
+            content: 'https://htmlhint.com/og-image.png',
+          },
+        },
+        {
+          tag: 'meta',
+          attrs: {
+            property: 'og:image:width',
+            content: '1200',
+          },
+        },
+        {
+          tag: 'meta',
+          attrs: {
+            property: 'og:image:height',
+            content: '630',
+          },
+        },
+        {
+          tag: 'meta',
+          attrs: {
+            property: 'og:image:alt',
+            content:
+              'HTMLHint: The static code analysis tool you need for your HTML',
+          },
+        },
+        {
+          tag: 'meta',
+          attrs: {
+            name: 'twitter:image',
+            content: 'https://htmlhint.com/og-image.png',
+          },
+        },
+        {
+          tag: 'meta',
+          attrs: {
+            name: 'twitter:image:alt',
+            content:
+              'HTMLHint: The static code analysis tool you need for your HTML',
+          },
+        },
         {
           tag: 'meta',
           attrs: {
diff --git a/website/public/og-image.png b/website/public/og-image.png
new file mode 100644
index 000000000..75f38f343
Binary files /dev/null and b/website/public/og-image.png differ