When you share a link on facebook it will automatically find images on the website and randomly picks one as a preview. How can you influence the preview image? When a person shares the website link on his facebook?
4 Answers
Years and years pass and this problem with the facebook cache has not yet been solved ... Why doesn't facebook put a button to totally clear the cache in Debug Tools ???? How difficult is that?
OK ... Now the definitive solution:
Use this on "og:image"....: ?[sequentialNumber] example: ?1 / ?2 / ?3 .....
Example of use:
<meta property="og:image" content="http://example.com/image.jpg?1" />
Did you change the image? Add 1 to the number ...
<meta property="og:image" content="http://example.com/image.jpg?2" />
Each time the image is changed, add 1 to the number
This can be done manually or dynamically, with PHP for example.
It's working really well for me, I hope I helped.
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