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When you share a link on social media and the preview shows wrong information, it’s usually an Open Graph (OG) tag issue.

How OG Tags Work

Social platforms read OG meta tags when a link is shared:
These tags are read once when the link is first shared, then cached by the platform.

Common Issues

Problem: Your app has default OG tags that don’t update per page.Cause: Code like this:
Fix: Make OG tags dynamic:
Problem: Image doesn’t appear in social previews.Common causes:
  • Using a relative URL (/images/og.png instead of https://...)
  • Image is too small (must be at least 200x200, recommended 1200x630)
  • Image is too large (most platforms reject files over 8 MB; WhatsApp drops images over 300 KB)
  • Image URL returns 404
  • Image is not publicly accessible
Fix:
Problem: You fixed the OG tags but social platforms still show old data.Cause: Social platforms cache previews aggressively.Fix: Force a refresh:

Debug with Hado SEO Tools

  1. OG Preview Checker - See exactly what social platforms will display
  2. Meta Tags Checker - Verify all your meta tags are present and correct
  3. SEO Bot Crawler Test - See the full rendered HTML including OG tags