[FOSDEM] Improve main picture on website for use in social media

[Ghosty]

On 22/12/2015 14:17, Pander wrote:
> Hi all,
>
> Could the website offer a nice main image for usage in social media? If
> you share a link to http://fosdem.org/2016 on Twitter, LinkedIn,
> Facebook, Google+ and so on, the map of the campus is being shown as
> image, which is not the most representable image for the event.
>
> It is possible to indicate in the website (hidden or not) which
> picture/logo should be picked up by social media when sharing the link
> of the site. Could someone have a go at improving this?
>
> Thanks,
>
> Pander

Anyone suggestions how this should look like in the webcode? (not sure 
how different social media pick up stuff from your website as being the 
"banner or logo" in preview ...).
So I can pass this info on to the website guys?

Regards,

G.