Dynamic Facebook open graph tags - javascript

Question

I want to read the URL and set og tags according to the result I get.

I'm trying document.write but Facebook doesn't see them

Example:

<head>
  <script>
    if(a==b){
      document.write('<meta property="og:title" content="Wow... A equals B, who knew!" />');
    }
  </script>
</head>

Is there a better way to do this?

I believe this has been answered here: stackoverflow.com/questions/3081004/… — cfh
– cfh, Commented Mar 24, 2015 at 11:05

andyrandy · Accepted Answer · 2015-03-24 11:53:35Z

0

Open Graph tags should not be used dynamically, Facebook caches those tags. That being said, the Facebook scraper ignores JavaScript, you would have to add them with a server language. For example, with PHP:

<meta property="og:title" content="<?php echo $title; ?>" />

answered Mar 24, 2015 at 11:53

andyrandy

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