下面打红色的2个强烈推荐使用:
保存多个标签页面以减少内存占用: https://chrome.google.com/webstore/detail/onetab/chphlpgkkbolifaimnlloiipkdnihall?utm_source=chrome-app-launcher-info-dialog
UndoCloseTab 重新打开关闭的标签页: https://chrome.google.com/webstore/detail/undoclosetab/agoafanmgjplfjeiabopkembipjbpnac?utm_source=chrome-app-launcher-info-dialog
书签去重 https://chrome.google.com/webstore/detail/supersorter/hjebfgojnlefhdgmomncgjglmdckngij
http://www.crx4chrome.com/crx/1397/