[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [Page](./puppeteer.protocol.page.md) > [VisualViewport](./puppeteer.protocol.page.visualviewport.md) > [zoom](./puppeteer.protocol.page.visualviewport.zoom.md) ## Protocol.Page.VisualViewport.zoom property Page zoom factor (CSS to device independent pixels ratio). Signature: ```typescript zoom?: number; ```