1.Title: taken from the current page’s title. 2.Image: uses the first qualifying image in the page body. 3.Image requirements:
- Dimensions must be greater than: 300px × 300px
- Place an image meeting the two conditions above inside
<img>and put it at the beginning of the page’s<body>element. - This image will then be used as the sharing thumbnail.
4.<img style="position:absolute;top:-200%;left: -200%;display:block" src="https://source.shengxuezixun.com/images/author.jpg" >
5.I updated it countless times and forgot to commit the image. Sad!