Open Graph tags are metadata tags used to control how a page appears when it is shared on social platforms and many messaging environments.
They matter because the default preview chosen by a platform is not always the preview you want. Open Graph gives you a more intentional way to shape title, description, image, and URL behavior for shared links.
What Open Graph Tags Usually Control
Common Open Graph fields include title, description, image, URL, and type. Together they help shape the preview card people see when the page is shared.
Why They Matter Beyond Social Platforms
Open Graph data is often used in messaging apps, workplace tools, and other environments where links render as cards. Good metadata improves consistency well beyond public social feeds.
When an Open Graph Generator Helps
An Open Graph generator is useful when you want correctly structured tags quickly and do not want to hand-write the markup for each page. You still need to validate the final rendered output after deployment.