How to verify your domain on Facebook:
- Go to Business.facebook.com
- Click on business settings
- Under "Brand Safety" go to "Domains". Click on Add Domain
- Enter your domain in the field
- Copy the meta tag from Facebook into the head section of your website
- Change the status of your website with the new meta tag to live
- Click on "Verify domain"
- The domain is confirmed by Facebook
- Click "ready



