请Facebook重新查看网址 [英] Ask facebook to re-scrape URL
问题描述
网站的og：图像最近已经更改。该网站包含超过100页，每个页面都包含其各自的og：image。我如何要求或强制Facebook重新擦除所有页面，以便图像更新？使用facebook调试工具将是太乏味的任务。直到Facebook re-scrape的网站，我将无法提交收集的应用程序。
The og:image of the website has been changed recently. The site contains more than 100 pages, each containing their individual og:image. How can i ask or force facebook to re-scrape all the pages, so that the image gets updated? Using the facebook debugger tool will be too tedious task. Until facebook re-scrape's the site, i won't be able to submit collection for the app.
推荐答案
你有两个选择在这种情况下
You have two alternatives here in your situation
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根据ysrb的回答，通过Open Graph Debugger工具的URL列表
As per ysrb's answer loop through list of your URLs with the Open Graph Debugger tool
或耐心等待30天，直到Facebook重新抓住您的页面，如文件 here
Or wait patiently for 30 days until Facebook re-scrapes your Pages as it says in documentation here
Facebook为什么以及什么时候抓住我的网站？
Why and when does Facebook scrape my website?
Facebook需要抓住分享到Facebook的链接，以了解哪些链接预览信息可以在Facebook.com上或Facebook上显示和Android。这种情况每30天发生一次，以确保属性是最新的。当URL被输入到调试工具中时，链接的页面也会被删除。
Facebook needs to scrape links shared to Facebook to know which to link preview information to show on Facebook.com or on Facebook for iOS and Android. This happens every 30 days to ensure the properties are up to date. The linked page is also scraped when the URL is entered into the Debugger Tool.
Facebook观察URL上的缓存标题 - 它将查看Expires和Cache-控制按优先顺序排列。但是，即使您指定的时间更长，Facebook也会每隔30天刮擦您的页面。
Facebook observes cache headers on your URLs - it will look at "Expires" and "Cache-Control" in order of preference. However, even if you specify a longer time, Facebook will scrape your page every 30 days.
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