Install on Hugo

Add the tags to the partial that renders <head>, usually layouts/partials/head.html. Remove any other og:image your theme prints.

<meta property="og:image" content="https://linkmag.net/v1/og/YOUR_SITE_ID?path={{ .RelPermalink | urlquery }}">
<meta property="og:image:width" content="1200">
<meta property="og:image:height" content="630">
<meta name="twitter:card" content="summary_large_image">