Sutare_Extension by Toshiyuki Masui

Warns you if the Web page is seemingly old Webページが古いとき警告します

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You'll need Firefox to use this extension

About this extension

Sutare_extension shows a message on the browser window if the page is considered to be fairly old.
ページ内容が古いと思われるとき、それを警告するメッセージを表示します

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