puppeteer/website/versioned_docs/version-19.5.2/api/puppeteer.page.metrics.md
release-please[bot] e9df6750d2
chore: release main (#9495)
🤖 I have created a release *beep* *boop*
---


<details><summary>puppeteer: 19.5.2</summary>

##
[19.5.2](https://github.com/puppeteer/puppeteer/compare/puppeteer-v19.5.1...puppeteer-v19.5.2)
(2023-01-11)


### Miscellaneous Chores

* **puppeteer:** Synchronize puppeteer versions


### Dependencies

* The following workspace dependencies were updated
  * dependencies
    * puppeteer-core bumped from 19.5.1 to 19.5.2
</details>

<details><summary>puppeteer-core: 19.5.2</summary>

##
[19.5.2](https://github.com/puppeteer/puppeteer/compare/puppeteer-core-v19.5.1...puppeteer-core-v19.5.2)
(2023-01-11)


### Bug Fixes

* make sure browser fetcher in launchers uses configuration
([#9493](https://github.com/puppeteer/puppeteer/issues/9493))
([df55439](df554397b5)),
closes [#9470](https://github.com/puppeteer/puppeteer/issues/9470)
</details>

---
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Co-authored-by: release-please[bot] <55107282+release-please[bot]@users.noreply.github.com>
2023-01-12 08:21:09 +01:00

1.1 KiB

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.