Blog scrapper in facebook through error

Blog scrapper in facebook through error.. Image does not display & the heading is also not proper.. 

Inferred Property: 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. Learn More

Extraneous properties specified: The following properties are specified on the webpage but NOT supported for the specified 'og:type': article:tags

Invalid OG Type: The provided 'og:type' of 'blog' is not valid

When i try to use facebook debugger i get the following error.. How do i fix it .. 

Performance and Scalability

Performance and Scalability

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