Link preview img not coming

I’m having link preview issue with articles/page links. When I Copy and paste it on any social media it just loads title and description images aren’t coming.

Things I have done.
1. Tried clearing cache of my website from Cloudflare even disabling cache plugins didn’t worked.
2. Tried with sharing debugger tool of fb,linkedin,twitter no change yet.
3. Tried disabling Cloudflare hotlink also tried re-uploading imgs as per requested size.

Tools I tried:
https://developers.facebook.com/tools/debug/
https://cards-dev.twitter.com/validator
https://www.linkedin.com/post-inspector/inspect/