How to modify the image that appears on facebook when posting the link from my site?

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Whenever I post the link to my site on facebook it displays a default image that I used to use for this purpose. But I did the image change in the TAG below for more than 6 days, only the old one still appears. Remembering that the new image has a new name and the old one was deleted from the server, but I still do not know where to capture the old one.

Already testing on multiple computers and mobile devices. 

<meta property="og:image" content="http://www.roteirodoimovel.com.br/roteiroimagemnovo.jpg" />
<meta property="og:image:type" content="image/jpeg">
<meta property="og:image:width" content="720">
<meta property="og:image:height" content="479">

I really need some help.

    
asked by anonymous 01.03.2016 / 11:35

1 answer

1

Depending on the number of hits, Facebook can keep files cached for a long time.

To force information to be updated, you must go to link and ask for it to update by entering the URL you want, then click Debug and then Fetch new scrape information (do not know if there is a pt version, if there is one, please edit).

Doing this for your URL ( link ) gives a warning :

  

og: image could not be downloaded or too small

     

og: image was not defined, could not be downloaded or was not big enough. Please define a chosen image using the og: image meta tag, and use an image that is at least 200x200px and is accessible from Facebook. Image ' link ' will be used instead. Consult link for more troubleshooting tips.

    
01.03.2016 / 12:00
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