Why after substitution meta og, sharing does not substitute their values?

Question

In contact with

I noticed such a thing, removing the Bitrix code everything works.
in fact, the meta tags themselves, which, for some reason, do not plow after substitution in the head:

<meta property="og:type" content="profile">
<meta property="og:title" content="выфаыв">
<meta property="og:description" content="выфавыа>
<meta property="og:image" content="">

With what it can be connected?

Answer 1

If you have already checked this page and then added OG tags, then the social network has already sucked the page into its cache. You will need to remove it from the cache here https://new.vk.com/dev/pages.clearCache
and then try again. Same for FB