Tutorial2026-08-20•7 min read

The Complete Guide to Open Graph Images in 2026

When someone shares your link on Twitter, LinkedIn, or Slack, what do they see? A beautiful preview image or a blank box? Open Graph images are the difference between viral shares and ignored links.

What Are Open Graph Images?

Open Graph (OG) images are the preview images that appear when you share a URL on social media. They're defined by meta tags in your HTML:

Why OG Images Matter

  • 3x more engagement — Posts with images get dramatically more clicks
  • Brand recognition — Consistent visual identity across shares
  • Professional appearance — Shows you care about details

    • The Technical Requirements

    PlatformRecommended SizeAspect Ratio

    Twitter1200x6281.91:1 LinkedIn1200x6271.91:1 Facebook1200x6301.91:1 Slack1200x6301.91:1

    Safe zone: Keep important content within the center 1000x500 pixels.

    Option 1: Static Images

    Create a PNG/JPG for each page manually. Works for small sites but doesn't scale.

    Option 2: Dynamic Generation with OGImage API

    OGImage generates beautiful preview images on-the-fly:

    Available themes: minimal, gradient, dark, bold, elegant, modern, startup

    Why Dynamic OG Images?

  • Automatic — No manual design work
  • Always fresh — Updates when your content changes
  • Consistent — Same style across all pages
  • Fast — Cached at the edge

    • Common Mistakes to Avoid

  • No image at all — Worst case, leaves a blank preview
  • Wrong dimensions — Gets cropped awkwardly
  • Too much text — Becomes unreadable on mobile
  • Low contrast — Hard to read on different backgrounds
  • No branding — Missed opportunity for recognition

    • Testing Your OG Images

  • Twitter Card Validator
  • LinkedIn Post Inspector
  • Facebook Sharing Debugger

    • Implementation Example (Next.js)

    export const metadata = {

      openGraph: {
    

        images: [{
    

          url: 'https://ogimage-sandy.vercel.app/api/og?title=My+Page',
    

          width: 1200,
    

          height: 630,
    

        }],
    

      },
    

    };

    Get Started

    Stop losing social media engagement to blank previews. Set up dynamic OG images today.

    Try OGImage API →

    *Questions about OG images? Reach out*

    ← Back to blog