Undecided if my solution sounds uncomplicated and Silly, and perhaps it's got currently been recognised to you personally considering that long time ago, but considering that stopping someone from applying browser back button to see your historical web pages is among your objectives, You should utilize: ソフトバンクユーザーです。 プレミアム会員に自動登録され無料で使えていたのですが、... https://www.aeroindustrial.com/product/matrice-300-parte-15-par-de-aspas-2195-grandes-alturas/