---
title: isMainFrame
framework: webkit
role: symbol
role_heading: Instance Property
path: webkit/wkframeinfo/ismainframe
---

# isMainFrame

A Boolean value indicating whether the frame is the web site’s main frame or a subframe.

## Declaration

```swift
var isMainFrame: Bool { get }
```

## See Also

### Inspecting frame information

- [request](webkit/wkframeinfo/request.md)
- [securityOrigin](webkit/wkframeinfo/securityorigin.md)
- [webView](webkit/wkframeinfo/webview.md)