As shown above, the opera and the major browsers in a new TAB, weibo baidu bilibili these websites have their own picture
But my website if it weren't for a list of addresses, or simply a thumbnail
Want to how to realize the baidu weibo effect like that?
(chrome and firefox in a new TAB is displayed in the site to join the head & lt; Link rel="icon" & gt; Href="https://bbs.csdn.net/topics/XXX", this I know how)