Resolve Facebook "og:image" No Refetch/Update

解決臉書機器人不重抓 Open Graph -> {"og:image"} 的問題

症狀 (symptom)

I updated my web content, of course with og:image changed with new image,
and want to publish again onto Facebook page to link share.

However the new "og:image" data looks remained as the previous one,
likely no upadte and no refetch the new og:image from facebookexternalhit bot.

解法 (Solution for og:image not refetch)

Upadte the "og:url" with "HTML ANCHOR MARK (#)"
as well to distinguish with the original content.

e.g. FIRST Version
代碼:


<meta property="og:url" content="http://vovo2000.com/phpbb2/viewtopic-356127.html"/>
<meta property="og:image" content="http://vovo2000.com/images/49604.jpg"/>

e.g. Newer Version with 9th edited
代碼:


<meta property="og:url" content="http://vovo2000.com/phpbb2/viewtopic-356127.html#9"/>
<meta property="og:image" content="http://vovo2000.com/images/49649-thumb.jpg"/>

URL: http://vovo2000.com/phpbb2/viewtopic-356127.html

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