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Opened 3 years ago
Last modified 21 months ago
#59119 new defect (bug)
Measure layout stability metrics in performance tests
| Reported by: | swissspidy | Owned by: | |
|---|---|---|---|
| Priority: | normal | Milestone: | Future Release |
| Component: | Build/Test Tools | Version: | |
| Severity: | normal | Keywords: | needs-patch |
| Cc: | Focuses: | performance |
Description
This is a follow-up to #58360.
While we have some good load time metrics so far, we don't measure layout stability yet.
Cumulative Layout Shift (CLS) can be measured using libraries like Lighthouse or https://github.com/GoogleChrome/web-vitals.
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@swissspidy is this on the Performance Team's roadmap?