New answers tagged crawl-external-content
Are you sure it's an image and not just an iFrame of the actual page? SharePoint does not thumbnail web pages (it does iframes). If you want it is very easy to implement a Display Template (like the site Display Template) that shows the iframe of the URL of the site. I have also implemented "thumbnailing" solutions in the past that equate a URL with an image ...
Top 50 recent answers are included