https://b.hatena.ne.jp/entry/s/wordpress.org/plugins/twitter-cards/ This plugin hasn’t been tested with the latest 3 major releases of WordPress. It may no longer be maintained or supported and may have compatibility issues when used with more recent versions of Wo... https://b.hatena.ne.jp/shgam/20140122#bookmark-148601402 2014-01-22T14:45:00Z wordpress https://b.hatena.ne.jp/musicala/20130601#bookmark-148601402 2013-06-01T13:21:08Z wordpress tool