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Optimize number js #39132

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rogerdz
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@rogerdz rogerdz commented Sep 1, 2024 •
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Description (*)

  • only execute js with element display in viewport
  • only trigger binding with element display in viewport
  • add event mousemove for execute for another js

Self test in default magento:

  • number of requests reduced 20-30rq when loading page
  • Total Blocking Time reduced 20-30ms on Lighthouse
  • JavaScript execution time reduced 1s on Lighthouse

For more complex sites, more optimization may be possible.

Related Pull Requests

Fixed Issues (if relevant)

  1. Fixes magento/magento2#<issue_number>

Manual testing scenarios (*)

  1. ...
  2. ...

Questions or comments

Contribution checklist (*)

  • Pull request has a meaningful description of its purpose
  • All commits are accompanied by meaningful commit messages
  • All new or changed code is covered with unit/integration tests (if applicable)
  • README.md files for modified modules are updated and included in the pull request if any README.md predefined sections require an update
  • All automated tests passed successfully (all builds are green)

Resolved issues:

  1. resolves [Issue] Optimize number js #39200: Optimize number js

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m2-assistant bot commented Sep 1, 2024

Hi @rogerdz. Thank you for your contribution!
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@rogerdz
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rogerdz commented Sep 1, 2024

@magento run all tests

ihor-sviziev
ihor-sviziev reviewed Sep 2, 2024
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@ihor-sviziev ihor-sviziev added Area: Performance Priority: P2 A defect with this priority could have functionality issues which are not to expectations. labels Sep 2, 2024
@rogerdz
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rogerdz commented Sep 5, 2024

@magento run all tests

jemoon
jemoon reviewed Sep 7, 2024
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jemoon
jemoon reviewed Sep 7, 2024
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@Priyakshic Priyakshic added the Project: Community Picked PRs upvoted by the community label Sep 12, 2024
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@magento run all tests

@engcom-Bravo engcom-Bravo added the Triage: Dev.Experience Issue related to Developer Experience and needs help with Triage to Confirm or Reject it label Sep 17, 2024
@engcom-Hotel engcom-Hotel self-requested a review September 17, 2024 10:12
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@magento run Unit Tests, Static Tests, Functional Tests EE, Functional Tests CE, Functional Tests B2B

1 similar comment
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@magento run Unit Tests, Static Tests, Functional Tests EE, Functional Tests CE, Functional Tests B2B

@rogerdz
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rogerdz commented Jan 8, 2025

@engcom-Hotel seem it still optimize.
Can you compare Total Blocking Time and JavaScript execution time ?

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Hello @rogerdz,

We have checked the Total Blocking Time for both the 2.4-develop branch and this branch, but it is showing 0 MS for both. Please refer to the below screenshots:

Branch 2.4-develop
image

Branch requirejs-optimize
image

Please let us know to get the total JavaScript execution time have you used any extensions?

Thanks

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Hello @rogerdz,

Have you had a chance to look into this #39132 (comment)?

Thanks

@rogerdz
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rogerdz commented Feb 3, 2025

Hi @engcom-Hotel,
I checked again and result still same as #39132 (comment).
Can we test on https://pagespeed.web.dev ?

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@magento run all tests

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Hello @rogerdz,

We have rechecked this PR on https://pagespeed.web.dev/ and we are still getting similar results:

Without PR Changes: On Mobile Device
image

Without PR Changes: On Computer
image

With PR Changes: On Mobile Device
image

With PR Changes: On Computer
image

We have followed the same steps as mentioned here #39132 (comment).

Please let us know if we missed anything.

Thanks

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Hello @rogerdz,

Have you got a chance to look into this #39132 (comment)?

Thanks

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Hello @rogerdz,

We have noticed that this PR has not been updated for a while. Therefore, we are closing it for now.

Please let us know when you are ready to work on it again, and we will be happy to reopen the PR.

Thank you for your valuable contribution!

@rogerdz rogerdz reopened this May 15, 2025
@engcom-Charlie engcom-Charlie moved this to Changes Requested in Community Dashboard Jun 19, 2025
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Hello @rogerdz,

As we can see you have reopened this PR and started working on it, hence we are moving this PR On Hold and mark it as draft.

Please let us know, by when we can pick it for further processing.

Thanks

@engcom-Hotel engcom-Hotel moved this from Changes Requested to On Hold in Community Dashboard Jul 9, 2025
@ct-prd-projects-boards-automation ct-prd-projects-boards-automation bot moved this from On Hold to Review in Progress in Community Dashboard Jul 9, 2025
@engcom-Hotel engcom-Hotel marked this pull request as draft July 9, 2025 12:20
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@ihor-sviziev ihor-sviziev ihor-sviziev left review comments

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@engcom-Hotel engcom-Hotel Awaiting requested review from engcom-Hotel

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Labels
Area: Performance Priority: P2 A defect with this priority could have functionality issues which are not to expectations. Progress: on hold Project: Community Picked PRs upvoted by the community Triage: Dev.Experience Issue related to Developer Experience and needs help with Triage to Confirm or Reject it
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Status: Review in Progress
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Successfully merging this pull request may close these issues.

[Issue] Optimize number js
8 participants
@rogerdz @engcom-Hotel @fabiopelloso @iparmentier @ihor-sviziev @jemoon @engcom-Bravo @Priyakshic