diff --git a/_includes/Head.tsx b/_includes/Head.tsx
index 48297c9..8fb65a3 100644
--- a/_includes/Head.tsx
+++ b/_includes/Head.tsx
@@ -7,7 +7,7 @@ export default ({
   extraScripts,
   cacheBust,
 }) => <head>
-  <meta charset="utf-8" />
+  <meta charSet="utf-8" />
   <title>{ titleFilter(title) }</title>
 
   <link rel="shortcut icon" href="/assets/pubsolar.svg" />
@@ -21,10 +21,21 @@ export default ({
 
   <>
     {(extraStylesheets || [])
-        .map(extraStylesheet => <link rel="stylesheet" type="text/css" href={`${extraStylesheet}${cacheBust}`} media="all" />)}
+      .map(extraStylesheet => <link
+        rel="stylesheet"
+        type="text/css"
+        href={`${extraStylesheet}${cacheBust}`}
+        media="all"
+        key={extraStylesheet}
+      />)}
   </>
   <>
     {(extraScripts || [])
-      .map(extraScript => <script defer type="application/javascript" src={`${extraScript}${cacheBust}`}></script>)}
+      .map(extraScript => <script
+        defer
+        type="application/javascript"
+        src={`${extraScript}${cacheBust}`}
+        key={extraScript}
+      ></script>)}
   </>
 </head>;
diff --git a/_includes/layouts/homepage.tsx b/_includes/layouts/homepage.tsx
index 69bc3ec..30c004e 100644
--- a/_includes/layouts/homepage.tsx
+++ b/_includes/layouts/homepage.tsx
@@ -25,7 +25,12 @@ export default ({
       <Background />
       <main className="ps-main--page ps-page ps-page_home">
         {links.map(({ href, title, openInNewTab }) => 
-          <a href={href} target={openInNewTab ? '_blank' : '_self'} className="ps-page--link">{title}</a>
+          <a
+            href={href}
+            target={openInNewTab ? '_blank' : '_self'}
+            className="ps-page--link"
+            key={href}
+          >{title}</a>
         )}
         <footer className="ps-footer">
           <a
