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Playwright · Class

Coverage

Playwright Coverage records which JavaScript and CSS parts a page uses. It works only with Chromium-based browsers.

Last updated

Since
v1.11

Syntax

await page.coverage.startJSCoverage(options);
await page.coverage.stopJSCoverage();
await page.coverage.startCSSCoverage(options);
await page.coverage.stopCSSCoverage();

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  • startCSSCoverage
  • startJSCoverage
  • stopCSSCoverage
  • stopJSCoverage

Source: Coverage | Playwright. Checked 2026-11-03.