See Storage Access API - Web APIs | MDN
Just means your browser doesnt’ understand it (yet) and/or the browsers that do understand it will process it accordingly.
Since it doesn’t effect embed’s operation you can ignore it
See Storage Access API - Web APIs | MDN
Just means your browser doesnt’ understand it (yet) and/or the browsers that do understand it will process it accordingly.
Since it doesn’t effect embed’s operation you can ignore it