https://b.hatena.ne.jp/entry/s/schema.org/Event Canonical URL: https://schema.org/Event Equivalent Class: fibo-fnd-dt-oc:Occurrence Equivalent Class: dcmitype:Event Check for open issues. An event happening at a certain time and location, such a... https://b.hatena.ne.jp/YassLab/20251016#bookmark-4672703756550503490 “An event happening at a certain time and location, such as a concert, lecture, or festival. Ticketing information may be added via the offers property. Repeated events may be structured as separate Event objects.” 2025-10-16T14:49:06Z HTML Web W3C https://b.hatena.ne.jp/n_tatara/20160421#bookmark-45432218 2016-04-21T01:27:13Z Schema https://b.hatena.ne.jp/aereal/20140616#bookmark-45432218 は workPerformed プロパティを持てるはずなんだけど、Google Structured Data Testing Tool では「そんなプロパティはスキーマに含まれていない」ってエラーになる 2014-06-15T15:29:36Z