Getting published on Facebook

Title, description, preview image for social networks
After you publish your webpage on social network, the data which will display will be taken from what you entered on the tabs "Details" and "Badge" at the page settings.
If data does not display correctly
For instance, you've just made some changes, but Facebook keeps posting old information.

1. Make sure you publish the page after you make changes
2. Go this page https://developers.facebook.com/tools/debug/og/object/
add the link to your website and click "Fetch New Scrape Information".

After you click "Fetch New Scrape Information", Facebook goes back to your page and collects the new data. The cache it had before that gets deleted.
After you click "Fetch New Scrape Information", Facebook goes back to your page and collects the new data. The cache it had before that gets deleted. Sometimes you need to do it several times.
Meta-tags for Facebook

If you want the preview information for Facebook sharing to be different from what you have in the Page Settings, go the "Badge" tab and click "Adjust meta-tags for posting on Facebook".
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