[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [Audits](./puppeteer.protocol.audits.md) > [MixedContentIssueDetails](./puppeteer.protocol.audits.mixedcontentissuedetails.md) > [mainResourceURL](./puppeteer.protocol.audits.mixedcontentissuedetails.mainresourceurl.md) ## Protocol.Audits.MixedContentIssueDetails.mainResourceURL property The url responsible for the call to an unsafe url. Signature: ```typescript mainResourceURL: string; ```