Facebook website link Preview image does not available in Website page

Question

My question is about Facebook link share. I was going through fb page of one of indian language website , There they have shared one link which produced one image ( screenshot is attached). I clicked and surprised to see that the image shown in fb page is no where in website page.

When i inspect element, I cpould see that image is loaded from Some Safe Image

How they managed to do it.? WHat is this safe image, which loaded in fb page but no where present in website page.

Website post url is : this

Facebook Page Url is : this

Answer 1

根据facebook's debugger图像在2小时前更改，因为Xufor表示您不需要页面上的图像 - 只有og:image元标记需要指向它。

每次图像更改时，您都可以使用调试器重新抓取（重新获取）页面。你在Facebook上再次分享它，你会看到新的图像，而不是更小的尺寸。

<meta property="og:image" content="http://www.udayavani.com/sites/default/files/images/articles/2015/07/30/katrina-kaif-wallpaper-138-.jpg" />