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Facebook usually crops a link-preview image because its shape does not fit the preview layout. Start with a 1200 × 630-pixel image (about 1.91:1), check that your page’s og:image points to the intended file, and refresh the page in Facebook Sharing Debugger after publishing changes. Those dimensions are practical Facebook-oriented guidance, not a guarantee that every Facebook placement will display an identical crop.
Why Facebook crops an Open Graph image
Facebook’s preview needs to fit an image into a display area. If the image’s aspect ratio differs from that area, some edges may be trimmed. Facebook-attributed guidance reported by the Wix Help Center recommends an image close to 1.91:1 to avoid cropping issues.
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A crop is not always the cause of an unexpected preview. The page may identify a different image than you expect, Facebook may not be able to fetch the intended file, or the preview may reflect previously scraped metadata. The Open Graph protocol defines og:image as the image associated with a page; it does not prescribe one mandatory pixel size. See the Open Graph protocol.
Use a Facebook-oriented image size
As a practical starting point, create a 1200 × 630-pixel image, which is approximately 1.91:1. Wix reports that images smaller than 600 × 315 may appear as small previews, and gives 200 × 200 pixels as a minimum and 8 MB as a maximum file size. These are Facebook-attributed recommendations and thresholds reported by Wix, not requirements of the Open Graph protocol or guarantees for every preview surface.
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Keep important material—such as a logo, a face, or essential text—away from the outer edges. That gives the composition some tolerance if a particular layout trims part of the image. It cannot guarantee identical rendering across placements.
Check the image Facebook is being given
- Inspect the page’s HTML. Confirm that the page’s head contains an
og:imageproperty with the URL of the image you intend to share. The Open Graph protocol describes this property as identifying the page’s associated image. - Check the target file. Open the image URL and verify that it is the right asset, not a default image or a homepage image. Check its pixel dimensions and file size against the practical guidance above.
- Review the composition. If the image is the right one but still looks cropped, move important content inward and use a canvas close to 1.91:1.
- Publish the changes. Make sure both the updated metadata and image are live at the URLs Facebook should fetch.
- Refresh Facebook’s scraped information. Enter the shared page URL in Facebook Sharing Debugger after updating
og:image. Wix recommends this step to update the information Facebook has scraped. - Inspect the fetched result. If the preview is still wrong, check which image and page metadata the debugger reports before revising the artwork again. A stale scrape and an incorrect
og:imagetarget are different problems.
Tell a wrong image from a crop
- The preview shows the wrong subject or an unrelated image: check the page’s
og:imagevalue and the image reported by the debugger. The page may point to a different asset than the one you edited. - The subject is right but edges are missing: check the image’s aspect ratio and move important content away from the edges.
- The page looks unchanged after an update: confirm the published metadata and image are live, then refresh the shared URL in the debugger. The available guidance does not establish a universal cache duration, so avoid assuming how long a stale preview will persist.
- The intended image does not appear in the fetched preview: verify that the metadata references the correct file and that the file can be fetched. The available sources do not establish a complete list of crawler access requirements.
Or skip the browser setup
If you need a clean screenshot of a page while checking its layout, ScreenshotNeo can return an image or PDF from one GET request. For example, using a URL you control:
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curl -G "https://api.screenshotneo.com/v1/shot" -d access_key=YOUR_API_KEY --data-urlencode url=https://example.com -o shot.webp
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Frequently Asked Questions
Is 1.91:1 a requirement of the Open Graph protocol?
No. It is Facebook-oriented image guidance reported by Wix; the Open Graph protocol does not mandate a single image size.
Does refreshing the Sharing Debugger guarantee a particular crop?
No. It refreshes scraped page information, but the cited guidance does not guarantee identical rendering across Facebook placements.
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