Re: Facebook Open Graph og:image on Category Pages
Why don't use the extension for adding OG tags to your Magento 2 pages? There is a god one - Magento 2 Facebook Open Graph extension. I guess no one heard about it that much since everyone struggles with the code.
The extension allows you to add OG title, description and image to any page they are sup[posed to be set on.
And it works well for any social media except Facebook, soo...