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Re:Promotion of alternative social platforms policy by WickyNilliams on Sunday December 18, 2022 @01:31PM (#34040868)
Wasn't it the other way around? Instagram disallowed previews on twitter
Re:Promotion of alternative social platforms policy by xnxn on Sunday December 18, 2022 @01:37PM (#34040980)
You're right. Here's a decade-old TechCrunch article about this:

https://techcrunch.com/2012/12/05/kevin-systrom-on-pulling-t...

Re:Promotion of alternative social platforms policy by cldellow on Sunday December 18, 2022 @01:36PM (#34040975)
That's my recollection, too.

I think Instagram wasn't annotating their pages with either OpenGraph metadata or Twitter card metadata, and so you got a bland link vs a rich preview.

It seems like Instagram _were_ publishing og:image tags at one point, but then removed it. See, for example, this 2019 reddit post [1].

Instagram then announced a change to this policy in December of 2021 [2] and now annotates with og:image again.

[1]: https://www.reddit.com/r/Instagram/comments/dn2wsw/saving_an...

[2]: https://about.instagram.com/blog/announcements/introducing-b...