Social Preview Image Sizes (2026)
Use one universal 1200x630 OG image for most sites, then fine-tune with platform-specific notes when needed.
Twitter / X: summary_large_image
Recommended: 1200x630. Formats: PNG, JPG.
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LinkedIn: shared link preview
Recommended: 1200x630. Formats: PNG, JPG.
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Facebook: link share
Recommended: 1200x630. Formats: PNG, JPG.
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Discord: embed preview
Recommended: 1200x630. Formats: PNG, JPG.
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Slack: unfurled link
Recommended: 1200x630. Formats: PNG, JPG.
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Need to debug a real URL?
Validate OG tags and see which image your page is actually serving to bots.