Open Graph.
Learn what Open Graph means in modern search and SEO.
A protocol originally developed by Facebook that uses meta tags to control how web pages are represented when shared on social media — defining title, image, description, and content type.
Open Graph (OG) is a protocol developed by Facebook in 2010 that enables any web page to become a rich object in a social graph. By placing OG meta tags in a page's `<head>` section, publishers control how the page appears when shared on Facebook, LinkedIn, Twitter/X, Slack, iMessage, and other platforms that parse OG data.
Essential Open Graph Tags
The four required OG tags: `og:title` (the page title for social display, can differ from the SEO title tag), `og:type` (content type: 'website', 'article', 'product'), `og:image` (the preview image URL — at least 1200×630px for best display; absolute URL required), and `og:url` (the canonical URL of the page). Common additional tags: `og:description` (150-160 character summary), `og:site_name` (the brand name), and `og:locale` (language and region).
OG Image Best Practices
The OG image is the most visible element when a page is shared — it dominates the preview card. Best practices: create bespoke OG images for high-value content (not just the logo), include the article headline and author name for blog posts, use a 1200×630px ratio (the Facebook spec, widely adopted), ensure text is large enough to read at thumbnail size, and verify image display in Facebook's Sharing Debugger (developers.facebook.com/tools/debug/) and Twitter Card Validator.
Twitter Card Meta Tags
Twitter uses its own `twitter:` meta tags (twitter:card, twitter:title, twitter:description, twitter:image) that closely parallel OG tags. If OG tags are present and Twitter-specific tags are absent, Twitter falls back to OG values for most properties. Explicitly defining `twitter:card` (typically 'summary_large_image') is recommended to control the Twitter sharing format independently.
Related Terms
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