[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [Network](./puppeteer.protocol.network.md) > [SignedExchangeSignature](./puppeteer.protocol.network.signedexchangesignature.md) > [certUrl](./puppeteer.protocol.network.signedexchangesignature.certurl.md) ## Protocol.Network.SignedExchangeSignature.certUrl property Signed exchange signature cert Url. Signature: ```typescript certUrl?: string; ```