How to Get Facebook to Re-Scrape (Re-Index) Your Webpage
Sometimes you share a link on Facebook to a page on your website, and you realise the share preview doesn't look that good or doesn't contain the right text. Since Facebook no longer lets you change this information when you are about to share the link, we have to get Facebook to scrape the page again to index the new information that you put on the page (a new thumbnail, a new title, and/or a new description).
