Looks like the meta tags are in the URL you listed above (this is from Chromes inspect):
I just had facebook re-scrape your base URL.
This is what pops up when I hit your share button on that page:
Facebook has an excellent tool, for debugging your open graph tags:
Once you’ve entered your URL address, you will be presented with a debug screen that will show what og: tags it generated, any error and warning messages (you have warnings). This screen also will show you when the page was lasted scraped by facebook, and you can request a scrape again: