[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [Performance](./puppeteer.protocol.performance.md) ## Protocol.Performance namespace Signature: ```typescript export namespace Performance ``` ## Interfaces | Interface | Description | | --- | --- | | [EnableRequest](./puppeteer.protocol.performance.enablerequest.md) | | | [GetMetricsResponse](./puppeteer.protocol.performance.getmetricsresponse.md) | | | [Metric](./puppeteer.protocol.performance.metric.md) | Run-time execution metric. | | [MetricsEvent](./puppeteer.protocol.performance.metricsevent.md) | Current values of the metrics. | | [SetTimeDomainRequest](./puppeteer.protocol.performance.settimedomainrequest.md) | |