preferredHTTPSNavigationPolicy
Used when performing a top-level navigation to a webpage.
Declaration
var preferredHTTPSNavigationPolicy: WebPage.NavigationPreferences.UpgradeToHTTPSPolicyDiscussion
The default value is .keepAsRequested. The stated preference is ignored on subframe navigation, and it may be ignored based on system configuration. The WebPage.Configuration.upgradeKnownHostsToHTTPS property supersedes this property for known hosts.