2017-08-15 87 views

回答

1

原来,你通过实施The Open Graph protocol得到这些预览,像这样:

<html prefix="og: http://ogp.me/ns#"> 
<head> 
    <title>The Rock (1996)</title> 
    <meta property="og:title" content="An Eclipse Chaser’s Guide to Your First Eclipse" /> 
    <meta property="og:type" content="article" /> 
    <meta property="og:url" content="https://www.nytimes.com/2017/08/14/science/eclipse-chasers-first.html" /> 
    <meta property="og:image" content="https://static01.nyt.com/images/2017/08/15/science/15SCI-CHASERS4/15SCI-CHASERS4-facebookJumbo.jpg" /> 
    ... 
</head> 
... 
</html>