Open Bug 1902812 Opened 3 months ago Updated 2 months ago

Jank when scrolling article

Categories

(Core :: Graphics: WebRender, defect)

Product:
Core
Component:
Graphics: WebRender
Version:
Firefox 129
Platform:
x86_64
Linux
Type:
defect

Tracking

()

Project Flags:
Performance Impact low
Tracking Flags:
Tracking Status
firefox129 --- affected

People

(Reporter: gregp, Unassigned)

References

(Blocks 1 open bug,
URL
)

Details

(Keywords: perf:responsiveness)

Steps to reproduce:

  1. Navigate to https://www.theverge.com/c/24133822/microsoft-excel-spreadsheet-competition-championship
  2. Scroll to the bottom of the page
  3. Scroll back up to the top of the page

Actual results:
Significant jank

Expected results:
Less jank

https://share.firefox.dev/3RvuKJY

Severity: -- → S3

The animated grid of divs used as "pixels" in the article causes a lot of extra work in the content process.

Seems smooth to me :s.

The Performance Impact Calculator has determined this bug's performance impact to be low. If you'd like to request re-triage, you can reset the Performance Impact flag to "?" or needinfo the triage sheriff.

Impact on site: Causes noticeable jank
Websites affected: Rare

Performance Impact: ? → low
Keywords: perf:responsiveness
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