It is a button to tweet the site you are currently viewing. This extension is a modification of "Just Tweet Button". Thank you to the original author. If you like it, I would be grateful if you could rate it. 1.51 Exclude youtube from UTM automatic deletion. 1.50 The UTM parameter is now deleted automatically. 1.41 The option setting window is automatically closed when it is saved. I stopped using "var" to declare variables. 1.40 Added consideration for the morning and evening editions of the Nihon Keizai Shimbun. Replace the URL as follows: Before replacement: https://www.nikkei.com/paper/article/ ~ After replacement: https://www.nikkei.com/article/ ~ 1.30 The width size and display location of the window can be selected. (9 types of half, 3 division, 4 division) 1.20 The prefix can be changed to any wording. I changed the icon. 1.11 I modified the Prefix and window size to my liking.It is displayed in the right half of the screen with the prefix NowBrowsing :.