wordpress posts to facebook page plugin code example
Example 1: wordpress embed facebook post without a plugin
<div id="fb-root"></div>
<script async defer crossorigin="anonymous" src="https://connect.facebook.net/en_US/sdk.js#xfbml=1&version=v8.0" nonce="wptX8Zga"></script>
Example 2: wordpress embed facebook post without a plugin
<div id="fb-root"></div>
<script async defer crossorigin="anonymous" src="https://connect.facebook.net/en_US/sdk.js#xfbml=1&version=v8.0&appId=YOURAPPID" nonce="wptX8Zga"></script>