Open Graph Image Guide: Sizes, Format, and Testing
OG images control how your site looks on social media shares. Learn the optimal size (1200×630), format, and how to test your OG tags.
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Tags: image, og-tags, seo
Open Graph Image Guide: The 1200×630 OG Meta Tag When someone shares your website link on Slack, Facebook, Twitter/X, LinkedIn, iMessage, or WhatsApp, the platform fetches metadata from your page and renders a "link preview card" — a small tile with your image, title, and description. Whether that preview looks professional and click-worthy or like a broken gray box depends entirely on whether you've set up Open Graph (OG) meta tags correctly. This guide explains what OG images are, the 1200 × 630 standard, the exact HTML tags required, how to test them, and the common mistakes that cause previews to break. What Is an Open Graph Image? Open Graph is a metadata protocol originally created by Facebook in 2010. It provides a standardized way for web pages to describe their content to…
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