How to get Facebook.ui Feed 'dialog'/'popup' to display Large preview -


i've been working on facebook social sharing, , have gotten work via 'dialog' & 'popup' modals. feed shared on facebook feed newer large display rectangle.

i've set proper parameters such as: method: app_id: name: link: picture: caption: description: display:

my page renders meta-tags og:image, og:image_secure_ssl, og:image:height, og:image:width, respective content="image/height/width"

i've used facebook:debugger freshly re-scrape/cache url.

using fb.ui(options...), there no parameter height/width sent facebook. images meet correct sizes of 1200x800+, aspect ratio of 1.9:1

what want achieve in preview-modal this: go website, , click on round black facebook share icon: http://www.violetgrey.com/violet-files/top-flight/the-golden-eye?icl=section_1_hero_v2_1&icn=hero_image larger preview

my current preview-modal display more like: go website, , click on facebook share blue button: https://www.everlane.com/invite small square preview

i bigger share modal preview, because looks better imo. guys have advice how can proceed?

to large preview, can either rely on share dialog or open plain old https://www.facebook.com/sharer/sharer.php?u=(http://yoururl.com/) in popup. both use open graph metadata set in head.

the feed dialog can used override og meta, can specify title, description, picture, there's no way set picture's dimensions or layout of dialog...


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