Why is my Twitter link preview blank?

Missing og:image or twitter:image tags, usually. Or relative URL. Add absolute HTTPS links to 1200x630 images.

What size image for Twitter large card?

Exactly 1200x630 pixels. Include width/height meta tags. Smaller? Downgrades to thumbnail or vanishes.

How to test Twitter link previews?

Use Twitter Card Validator: cards-dev.twitter.com/validator. Paste URL, preview instantly. Clear cache if stuck.

Why Your Twitter Links Still Look Like Garbage — And How to Actually Fix Them

You've poured hours into that blog post, hit share on Twitter, and... crickets. A sad URL stub stares back. Here's why Twitter's bot hates you — and the no-BS fixes that force it to behave.

theAIcatchup Apr 10, 2026 4 min read

Before and after: ugly blank Twitter link preview vs beautiful full-width card with image

⚡ Key Takeaways

Always use absolute HTTPS URLs for og:image and twitter:image — relative paths kill previews. 𝕏
Set twitter:card to 'summary_large_image' for full-width glory; defaults suck. 𝕏
1200x630 pixels is the magic size; test with Twitter's validator before tweeting. 𝕏

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theAIcatchup

Community-driven. Code-first.

#link previews #meta tags #og:image fix #open graph tags #twitter cards #twitter link preview #twitterbot

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Originally reported by Dev.to

⚡ Key Takeaways

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