overflow-anchor
A browser optimization that helps keep your scroll position steady when content is added to the page above where you're looking. It prevents the page from 'jumping' unexpectedly.
Quick example
.chat-window {
/* Prevents the scroll position from jumping when new messages load */
overflow-anchor: auto;
}Quick facts
Initial value
autoInherited
No
Applies to
all elements
Animation type
discrete
Values
autononeoverflow-anchor Browser Support
Newly availableSince 202680% global usage
Since 2026 this feature works across the latest devices and browser versions. This feature might not work in older devices or browsers.
Works in all modern browsers. May need a fallback for older browsers.
56+
66+
27+
79+