Odoo v12 added support for the metatags for the Open Graph and Twitter share. If you want to add your custom meta tags in the page, you can override _default_website_meta() after adding the SEO mixin.
Odoo v12 added support for the metatags for the Open Graph and Twitter share. If you want to add your custom meta tags in the page, you can override _default_website_meta() after adding the SEO mixin.