Open Graph Preview

Facebook recommends 1200×630px and Twitter 1200×628px. Creating images at 1200×630px generally works well across most platforms.

Social networks will extract title, description, and images arbitrarily from your page, which may display unintended content. OG tags give you precise control over what appears when shared.

Every platform caches the preview it read the first time, sometimes for days or weeks. Facebook's Sharing Debugger, LinkedIn's Post Inspector and X's card validator all let you ask for a re-scrape of that URL, which refreshes it at once. For messengers that offer no such tool, the common workaround is to append something like ?v=2 to the link so it registers as a new address.

The recommended size is 1200×630 px, but platforms crop the edges differently, so keep essential words inside the middle 80%. In a timeline the image shrinks to roughly 300 px wide, which means letters need to be at least 60 px tall in the original to stay readable. And since the title already appears beneath the image, the picture works better with a short phrase that signals the subject at a glance than with the headline repeated.