puppeteer/docs/api/puppeteer.coverage.startcsscoverage.md

---
sidebar_label: Coverage.startCSSCoverage
---
# Coverage.startCSSCoverage() method

**Signature:**

```typescript
class Coverage {startCSSCoverage(options?: CSSCoverageOptions): Promise<void>;}
```

## Parameters

|  Parameter | Type | Description |
|  --- | --- | --- |
|  options | [CSSCoverageOptions](./puppeteer.csscoverageoptions.md) | <i>(Optional)</i> Set of configurable options for coverage, defaults to <code>resetOnNavigation : true</code> |

**Returns:**

Promise&lt;void&gt;

Promise that resolves when coverage is started.