[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [Page](./puppeteer.protocol.page.md) > [Frame](./puppeteer.protocol.page.frame.md) > [secureContextType](./puppeteer.protocol.page.frame.securecontexttype.md) ## Protocol.Page.Frame.secureContextType property Indicates whether the main document is a secure context and explains why that is the case. Signature: ```typescript secureContextType: SecureContextType; ```