2018-01-16 UTC
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Zegnat OpenGraph << <a href="https://snook.ca/archives/html_and_css/open-graph-and-sharing-tags">Jonathan Snook</a> [https://snook.ca/archives/html_and_css/open-graph-and-sharing-tags The Open Graph and Sharing Tags], on merging <code>og:</code> and <code>twitter:</code> meta elements