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Hello Mr Yellow and Mr Papa, see you again 
When I select SEO open graph and test a topic page in facebook debug tool, it says:
"The provided 'og:image' properties are not yet available because new images are processed asynchronously. To ensure shares of new URLs include an image, specify the dimensions using 'og:image:width' and 'og:image:height' tags."
It seems because of the topic page didn't have og image width and height so fb didn't scrape it, but when I Click scrape again, fb got it. I don't know if it's possible for us to add the width and height in our page so fb can fetch them at the first time and then I don't need to click the button to scrape them twice.Thank you!
You can refer to the screenshot here:
Facebook open graph
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argh... cant open that link on my work computer and on business travel..
where are you seeing that message?? not sure what fb debug tool is...
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Haha , Mr Papa, thanks for your prompt reply.
As it described "You can use the Sharing Debugger to see the information that is used when your website content is shared on Facebook, Messenger and other places. The Batch Invalidator will let you refresh this information for multiple URLs at the same time. Open Graph markup lets you take control over how your website content appears to others"
https://developers.facebook.co.....ols/debug/
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I will need to do some research on this one but it is odd that we have no other reports such as this.
The image dimensions should be passed in the 'og:image' parameter which contains a link to the image. That link should contain dimension data.
Is it possible that the source image being used does NOT contain dimension attributes?
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YELLOW
SWORDFISH
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Yes, it's possible that the image doesn't include dimension attributes, but in this situation we'll let facebook to scrape our page twice(to get the image cached) so the share can show a image, actually I don't know how this works.lol
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Well I can tell you that passing image width and height through the og metadata is entirely optional and fb should detect these attributes through the image url that IS passed.
What would be useful is for you to check if the source image 'img' tag has dimension attributes and, if not, to add them to see if this recurs.
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YELLOW
SWORDFISH
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Blog post(example link:https://rimz.store/shoutout-yo.....instagram/) source code includes og image dimension attributes. Screenshot here
Forum topic(example link:https://rimz.store/rimzclub/ch.....rado-1500/) source code doesn't include og image dimension attributes: Screenshot here
ps:I used a wp plugin to add og tags in my blog post
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Curious. That suggests that the og meta tags output by the 3rd party plugin should not do anything on the forum page. Are you able to confirm that by looking at the source code being generated?
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YELLOW
SWORDFISH
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Yes, The wp Open Graph plugin did also add some og: tags in forum pages, but it set the featured image as the the og:image, it works for blog post when I set a featured image, but as a forum topic ,I can't set a featured image.
When I use sp components "Open Graph" to add og tags, it will set image attachment as og:image, it 's cool, but it just didn't contain image dimension attributes.
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