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e13e9647fc
puppeteer/website/versioned_docs/version-19.6.0/api/puppeteer.page.metrics.md
release-please[bot] e13e9647fc
chore: release main (#9501) 
🤖 I have created a release *beep* *boop*
---


<details><summary>puppeteer: 19.6.0</summary>

##
[19.6.0](https://github.com/puppeteer/puppeteer/compare/puppeteer-v19.5.2...puppeteer-v19.6.0)
(2023-01-23)


### Miscellaneous Chores

* **puppeteer:** Synchronize puppeteer versions


### Dependencies

* The following workspace dependencies were updated
  * dependencies
    * puppeteer-core bumped from 19.5.2 to 19.6.0
</details>

<details><summary>puppeteer-core: 19.6.0</summary>

##
[19.6.0](https://github.com/puppeteer/puppeteer/compare/puppeteer-core-v19.5.2...puppeteer-core-v19.6.0)
(2023-01-23)


### Features

* **chromium:** roll to Chromium 110.0.5479.0 (r1083080)
([#9500](https://github.com/puppeteer/puppeteer/issues/9500))
([06e816b](06e816bbfa)),
closes [#9470](https://github.com/puppeteer/puppeteer/issues/9470)
* **page:** Adding support for referrerPolicy in `page.goto`
([#9561](https://github.com/puppeteer/puppeteer/issues/9561))
([e3d69ec](e3d69ec554))


### Bug Fixes

* firefox revision resolution should not update chrome revision
([#9507](https://github.com/puppeteer/puppeteer/issues/9507))
([f59bbf4](f59bbf4014)),
closes [#9461](https://github.com/puppeteer/puppeteer/issues/9461)
* improve screenshot method types
([#9529](https://github.com/puppeteer/puppeteer/issues/9529))
([6847f88](6847f8835f))
</details>

---
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Please](https://github.com/googleapis/release-please). See
[documentation](https://github.com/googleapis/release-please#release-please).

Co-authored-by: release-please[bot] <55107282+release-please[bot]@users.noreply.github.com>
2023-01-23 17:48:02 +01:00

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sidebar_label
Page.metrics

Page.metrics() method

Signature:

class Page {
  metrics(): Promise<Metrics>;
}

Returns:

Promise<Metrics>

Object containing metrics as key/value pairs.

  • Timestamp : The timestamp when the metrics sample was taken.

  • Documents : Number of documents in the page.

  • Frames : Number of frames in the page.

  • JSEventListeners : Number of events in the page.

  • Nodes : Number of DOM nodes in the page.

  • LayoutCount : Total number of full or partial page layout.

  • RecalcStyleCount : Total number of page style recalculations.

  • LayoutDuration : Combined durations of all page layouts.

  • RecalcStyleDuration : Combined duration of all page style recalculations.

  • ScriptDuration : Combined duration of JavaScript execution.

  • TaskDuration : Combined duration of all tasks performed by the browser.

  • JSHeapUsedSize : Used JavaScript heap size.

  • JSHeapTotalSize : Total JavaScript heap size.

Remarks

All timestamps are in monotonic time: monotonically increasing time in seconds since an arbitrary point in the past.