diff --git a/ui/index.html b/ui/index.html
index e69be04..1fd914b 100644
--- a/ui/index.html
+++ b/ui/index.html
@@ -4,6 +4,10 @@
         <meta charset="UTF-8" />
         <meta name="viewport" content="width=device-width, initial-scale=1.0" />
         <title>rob.tn</title>
+        <meta
+            name="description"
+            content="a timeline of open source contributions across github, gitea, and mozilla hg. ranked projects, language trends, and commit activity since 2012."
+        />
         <meta
             property="og:title"
             content="rob thijssen: developer activity and contribution history"
@@ -20,6 +24,8 @@
         />
         <meta property="og:type" content="website" />
         <meta property="og:url" content="https://rob.tn/" />
+        <meta property="og:site_name" content="rob.tn" />
+        <meta property="og:locale" content="en_US" />
         <meta property="og:logo" content="https://rob.tn/icon-512.png" />
         <meta name="twitter:card" content="summary_large_image" />
         <meta