.Lastmod is the time at which the website was most recently updated,
rather than .Date which is the time at which the website content file
was created.
{{ end }}
{{- if not .Lastmod.IsZero }}<meta property="article:modified_time" {{ .Lastmod.Format $iso8601 | printf "content=%q" | safeHTMLAttr }} />{{ end }}
{{- else }}
-{{- if not .Date.IsZero }}<meta property="og:updated_time" {{ .Date.Format $iso8601 | printf "content=%q" | safeHTMLAttr }} />
+{{- if not .Date.IsZero }}<meta property="og:updated_time" {{ .Lastmod.Format $iso8601 | printf "content=%q" | safeHTMLAttr }} />
{{- end }}
{{- end }}{{/* .IsPage */}}
{{ end }}
{{- if not .Lastmod.IsZero }}<meta property="article:modified_time" {{ .Lastmod.Format $iso8601 | printf "content=%q" | safeHTMLAttr }} />{{ end }}
{{- else }}
-{{- if not .Date.IsZero }}<meta property="og:updated_time" {{ .Date.Format $iso8601 | printf "content=%q" | safeHTMLAttr }} />
+{{- if not .Date.IsZero }}<meta property="og:updated_time" {{ .Lastmod.Format $iso8601 | printf "content=%q" | safeHTMLAttr }} />
{{- end }}
{{- end }}{{/* .IsPage */}}