[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [Profiler](./puppeteer.protocol.profiler.md) > [StartPreciseCoverageResponse](./puppeteer.protocol.profiler.startprecisecoverageresponse.md) > [timestamp](./puppeteer.protocol.profiler.startprecisecoverageresponse.timestamp.md) ## Protocol.Profiler.StartPreciseCoverageResponse.timestamp property Monotonically increasing time (in seconds) when the coverage update was taken in the backend. Signature: ```typescript timestamp: number; ```