What is the difference between summary and summary_large_image?

summary shows a small square thumbnail on the left. summary_large_image shows a large banner image above the text.

Does Twitter fall back to Open Graph tags?

Yes. If twitter:* tags are absent, Twitter reads og:* tags. Setting both gives you full control.

What image ratio works best for large image cards?

Twitter recommends a 2:1 ratio, ideally 1200×628 pixels, for summary_large_image cards.

Twitter Card Preview

Preview your Twitter/X card in summary and large-image formats.

inputsTitleDescriptionImage URLTwitter handle

summary_large_image

No image

Title

Description

@username

summary

No image

Title

Description

@username

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FAQ

What is the difference between summary and summary_large_image?: summary shows a small square thumbnail on the left. summary_large_image shows a large banner image above the text.
Does Twitter fall back to Open Graph tags?: Yes. If twitter:* tags are absent, Twitter reads og:* tags. Setting both gives you full control.
What image ratio works best for large image cards?: Twitter recommends a 2:1 ratio, ideally 1200×628 pixels, for summary_large_image cards.

Enter your card title, description, image URL, and Twitter handle to see rendered previews of both the summary card and the summary_large_image card. Spot truncation, image layout differences, and handle attribution before your links go live on Twitter/X.