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CloudFlare is a global CDN and DNS provider that can speed up and protect any site online.
Express is a fast, unopinionated, minimalist web framework for Node.js
Open graph description entity tag
The Open Graph protocol enables any web page to become a rich object in a social graph, a open protocol supported by Facebook
A canonical link element is an HTML element that helps webmasters prevent duplicate content issues by specifying the "canonical", or "preferred".