Reasons for large images not appearing?


I’ve just enabled summary cards with large images for All of the meta’s displaying with the exception of the image. In this case, the image size is 54k @ 1024x78px, and the response shows:

HTTP/1.1 200 OK
x-amz-id-2: aNBA2ursM1EPRESzyfQsvgvlGA3x8du9OuCXvtwbZ6VwTzzUAufyrurC+BJAaxj1
x-amz-request-id: 31B8253BDCB73D8D
Date: Fri, 21 Feb 2014 19:40:53 GMT
Cache-Control: max-age=315576000
Last-Modified: Fri, 20 Jan 2012 19:17:28 GMT
ETag: "ad3f804d9ad8f3b464898c68af21d752"
Accept-Ranges: bytes
Content-Type: binary/octet-stream
Content-Length: 55032
Server: AmazonS3

Relevant code snippet from the page:

It passes the Twitter card validator test and looks like it should work, but the images aren’t showing. Can anyone tell me why…?


#2 prevents Twitterbot to download the image.
More info here: