I use https://developers.facebook.com/docs/reference/plugins/comments/ in my site, on multiple dynamic generate pages. I implement everything for that, incude meta tags, and config facebook app.
Comments generaly work, but problem is Warning: Site ***************** is unreachable.
Please help.
Checkout what the Debugger has to say about the URL you are providing.
The main thing you need to look at is the Critical Errors That Must Be Fixed. They are –
It is as simple as that. You can’t get the information on that page because it redirects to your application.
What you’ll need to do, is provide a URL that is accessible to Facebook’s crawlers. The Debugger tool is a great tool to monitor how Facebook sees your URL’s.