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# preferredHTTPSNavigationPolicy

```
var preferredHTTPSNavigationPolicy: WKWebpagePreferences.UpgradeToHTTPSPolicy { get set }
```

## Discussion\abstract A WKWebpagePreferencesUpgradeToHTTPSPolicy indicating the desired mode
used when performing a top-level navigation to a webpage.
\discussion The default value is WKWebpagePreferencesUpgradeToHTTPSPolicyKeepAsRequested.
The stated preference is ignored on subframe navigation, and it may be ignored based on
system configuration. The upgradeKnownHostsToHTTPS property on WKWebViewConfiguration
supercedes this policy for known hosts.

---

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