- thumbnail = @instance_presenter.thumbnail - description ||= strip_tags(@instance_presenter.site_short_description.presence || @instance_presenter.site_description.presence || t('about.about_mastodon_html')) %meta{ name: 'description', content: description }/ = opengraph 'og:site_name', t('about.hosted_on', domain: site_hostname) = opengraph 'og:url', url_for(only_path: false) = opengraph 'og:type', 'website' = opengraph 'og:title', @instance_presenter.site_title = opengraph 'og:description', description = opengraph 'og:image', full_asset_url(thumbnail&.file&.url || asset_pack_path('media/images/preview.jpg', protocol: :request)) = opengraph 'og:image:width', thumbnail ? thumbnail.meta['width'] : '1200' = opengraph 'og:image:height', thumbnail ? thumbnail.meta['height'] : '630' = opengraph 'twitter:card', 'summary_large_image'