Microsoft Edge adds Safari’s ITP rules so the video, comment embeds on your site can function more easily
Microsoft’s Edge announced on Twitter Friday that an implementation of Safari’s Intelligent Tracking Prevention (ITP) is now shipping in its staging (Canary) nightly build for minor tweaks before going into production. The latest version of Edge will include Safari’s Storage Access API which enables third-party widgets on your site to function properly.
With Safari’s most recent update to ITP, website API calls to “hasStorageAccess()” respond conditionally with a boolean value that defaults to “false” in third party contexts. The value is “true” only when there are explicit first-party user interaction permission settings to allow access to cookies and local storage data in third party contexts.
Why we care. The most likely scenario for these calls is when an embedded third-party widget, like YouTube or Facebook, should be able to provide authenticated video players and comment dialogs by accessing cookies and local device storage through APIs. Without access, these embeds will not f..