[facebook] Sharing url link does not show thumbnail image on facebook

I have some example url that provide for facebook sharing. But the image inside the url page does not show on facebook comment box. I have already inserted Meta tag like this

<meta property="fb:app_id" content="xxxx"/>
<meta property="og:site_name" content="xxxx"/>
<meta property="og:title" content="xxxx" />
<meta property="og:description" content="xxx" />
<meta property="og:type" content="xxx:photo">
<meta property="og:url" content="http://www.example.com/content/xxx"/>
<meta property="og:image" content="http://www.example.com/images/xxx.png"/>

*And my image is 1000*1000 px(width*height).

Any idea for solve?

My site faces same issue too.

Using Facebook debug tool is no help at all. Fetch new data but not IMAGE CACHE.

I forced facebook to clear IMAGE CACHE by add www. into image url. In your case is remove www. and config web server redirect.

 add/remove www. in image url should solve the problem

I found out that the image that you are specify with the og:image, has to actually be present in the HTML page inside an image tag.

the thumbnail appeared for me only after i added an image tag for the image. it was commented out. but worked.

I ran into this and while I had the og:image (and others), I was missing og:url and og:type, so I added those and then it worked.

<meta property="og:url" content="<? 
 $url = 'https://' . $_SERVER['HTTP_HOST'].$_SERVER['PHP_SELF']."?".$_SERVER['QUERY_STRING'];; 
echo htmlentities($url,ENT_QUOTES); ?>"/> 

The answers above are good and they should fix most of the problems you have. But to see the errors directly from facebook you can use the link https://developers.facebook.com/tools/debug/sharing/

that way you're sure of the steps you need to take.

I found out the URL for the og:image meta has to be an absolute url

The issue is with the facebook cache and solution is to refresh the facebook cache by going to the link. https://developers.facebook.com/tools/debug/og/object/

and pressing the button "Fetch New Scrape information".

Hope it helps