# File lib/cdx/controller_helpers/seo.rb, line 58defseo_data_tags# Should be included in your head taghtml = meta_data.mapdo|k, v|tag.metaname:k, content:vend.joinhtml+=open_graph_data.mapdo|k, v|tag.metaproperty:k, content:vend.joinhtml+=tag.linkrel::canonical, href:canonical_urlend