- upload_date = unified_strdate(self._html_search_regex(
- self._UPLOAD_DATE_REGEXES, webpage, 'upload date', default=None))
+ upload_date = unified_strdate(
+ self._html_search_meta('og:published_time', webpage,
+ 'upload date', default=None)
+ or self._html_search_regex(self._UPLOAD_DATE_REGEXES,
+ webpage, 'upload date', default=None))
+
+ json_ld = self._search_json_ld(webpage, clip_id, default={})