For iMessage rich links
See the rich link card Apple Messages builds from your og:title and og:image.
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Apple's Messages app turns URLs into rich links: a card showing the page image, its title, and the site's domain. The card is built from standard Open Graph tags — og:title for the headline and og:image for the artwork — so the same metadata that serves Slack or Facebook serves iMessage.
Unlike most platforms, iMessage does not display og:description. The card is title, image, and hostname, which means og:title carries almost all the weight: front-load it with the words that matter and keep it short enough to survive truncation on a phone-width bubble.
The preview is generated on the sender's device when the link is typed or pasted, then sent along with the message. Recipients see the sender's fetch, so a link pasted while tags were still wrong keeps its stale card. Apple's fetcher reads server-rendered HTML — metadata injected only by client-side JavaScript will not appear.
Image size decides the layout. A large landscape og:image (1200×630 works well) renders as a full-width card with the title underneath; if og:image is missing or very small, Messages falls back to a compact row with the site's icon, so it is worth also shipping a good apple-touch-icon and favicon.
There is no public Apple debugger and previews are cached per device. After fixing tags, append a throwaway query parameter (for example ?v=2) or send the link again once the change is live to see the updated card.
Check that og:title reads well on its own, since iMessage never shows the description.
Confirm og:image is large enough for the full-width card rather than the small icon row.
Make appointment, order, and password-reset links render a trustworthy card in Messages.
Verify the card before a link is texted around, because each sender's device attaches its own fetch.
Pre-configured variants tuned to specific platforms and use cases.
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Open variantFor Facebook shares
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Open variantFor Discord embeds
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Open variantFor WhatsApp chats
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Open variantFor Telegram messages
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