Install on Jekyll

Add the tags to _includes/head.html. If you use jekyll-seo-tag, remove the image it prints or set seo.image to the same URL.

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