Link Preview Checker
Before you share a link or launch a page, see what people will actually see: the result in Google, and the card that appears when the link is posted on Facebook, X, or LinkedIn. We'll point out anything missing, cut off, or broken, like a share image that doesn't load.
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Checking a site you run? The Security Headers Checker shows whether it forces the secure version, blocks injected scripts, and protects its cookies. Open Headers Checker →Every page carries a few hidden tags written for other websites rather than for people. Google reads the title and description to build its search result. Facebook, LinkedIn, and most chat apps read the Open Graph tags (og:title, og:image, and so on) to build the card you see when a link is shared. X reads its own X card tags first, then falls back to Open Graph.
When the tags are missing, each site guesses, and the guess is often the cookie banner or the site's logo. When the share image is the wrong size, it gets cropped or shown tiny. That's usually the whole difference between a link people click and one they scroll past.
These previews are close, not pixel-perfect: each site changes its design now and then, and Google sometimes rewrites titles and descriptions on its own. Social sites also remember a page for a while, so after you fix something, use their sharing debuggers to refresh it. Free use is limited to 100 checks per day.
