Small update of the previous commit

Author: birdofpreyru

src/shared/utils/MetaTags.jsx

@@ -38,6 +38,9 @@ export default function MetaTags({
       <meta property="og:title" content={socialTitle} />
       <meta property="og:type" content="article" />
       <meta property="og:image" content={image} />
+      <meta property="og:image:alt" content={socialTitle} />
+      <meta property="og:image:width" content="640" />
+      <meta property="og:image:height" content="480" />
       <meta property="og:description" content={socialDescription} />
       {
         siteName ? (<meta property="og:sitename" content={siteName} />) : null