[Home](./index.md) > [puppeteer](./puppeteer.md) > [HTTPResponse](./puppeteer.httpresponse.md) > [fromServiceWorker](./puppeteer.httpresponse.fromserviceworker.md) ## HTTPResponse.fromServiceWorker() method Signature: ```typescript fromServiceWorker(): boolean; ``` Returns: boolean True if the response was served by a service worker.