[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [Network](./puppeteer.protocol.network.md) > [Response](./puppeteer.protocol.network.response.md) > [protocol](./puppeteer.protocol.network.response.protocol.md) ## Protocol.Network.Response.protocol property Protocol used to fetch this request. Signature: ```typescript protocol?: string; ```