⚙️ Real-World Example SizeTypical File Weight (optimized)Looks good on1200×675 px150 KBDesktop + mobile (SEO safe)1000×563 px120 KBSlightly lighter, still acceptable800×450 px90 KBOkay for smaller themes but might blur on social previews So if your theme doesn’t display full-width banners, you could safely go 1000 × 563 px instead — but don’t go below that if you care about rich...

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