If you have come to this page all TAGS have been defined. Now the time has come to validate them, although the Previews in TAGZ should be a realistic preview. Facebook and Twitter offer their own debugger and validator to do so. Let's check them out.
To validate or debug Open Graph TAGS visit the Facebook Sharing Debugger, see screenshot below.
In the highlighted field enter the url of the page you want to debug and click the Debug button. Facebook will scrape the page. The following is the output of the page https://www.roosterz.nl/joomla-extensions/ampz, which should similar to yours:
All defined TAGS are displayed in this screen, together with an actual preview how a sharing popup should look. If you see errors here please try to Google them first. If that doesn't help please get in touch using the contact options on roosterz.nl.
Twitter used to have a similar Debugger for Twitter Cards, however since august 2022 they have moved the Twitter Card validator into the Tweet Composer itself. See HERE for more info.