页面暂时离线后点赞数重置
在我们暂时使该页面脱机后（我们最近将该页面恢复到旧的 URL），该页面上的 FB Like 计数被重置为零。
我从 FB 开发者文档中了解到，Facebook 每 24 小时就会抓取一次我们的页面；我还知道 Like 是链接到 URL 的。
为什么该页面的点赞计数重置为零，即使该页面已使用相同的 URL 重新发布？页面离线后多久，FB 会认为该页面已失效并重置点赞计数？
感谢您的帮助，
亚历克斯
The FB Like count on one of our pages was reset to zero after we temporarily took the page offline (we recently reinstated the page onto it's old URL).
I understand from the FB Developer docs that Facebook scrapes our pages every 24 hours; I also understand that Like are linked to URLs.
Why has the page's Like count been reset to zero, even though it has been republished using the same URL? How long after a page is taken offline does FB consider it to be dead, and reset the Like count?
Thanks for your help,
Alex
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我注意到 FB 的调试器 (http://developers.facebook.com/tools/debug) 显示我们最近恢复的页面的点赞数为 29 - 尽管页面本身仍然显示零点赞。这给了我一些希望，即缺失的点赞可能会被添加回页面上。
在使用调试器的几分钟内，该页面的点赞数显示为 29。
我仍然无法找到原始问题的答案，但也许 FB 调试器可以帮助其他遇到类似问题的人。
I noticed that FB's debugger (http://developers.facebook.com/tools/debug) was showing a Like count of 29 for our recently reinstated page - even though the page itself was still showing zero Likes. This gave me some hope that the missing Likes might be be added back onto the page.
Within minutes of playing with the debugger, the page's Like count was showing 29.
I'm still no closer to finding out the answer to my original question, but perhaps the FB debugger can help others with similar problems.