Comments (1)
npm1
commented on July 30, 2024
I definitely think this is an important problem worth solving, and in particular for CLS we really do want any shifts occurring in iframes to become visible via analytics providers and performance tooling. I also think that the solution to this problem is probably best tracked holistically for all performance entries, and we probably want something like 'bubbles' along with an opt-in from the iframe to its parent frame(s) allowing for content to be surfaced.
So basically I'd say this is equivalent to / blocked on w3c/performance-timeline#86.
from layout-instability.
Related Issues (20)
- CumulativeLayoutShift as WPT custom metric empty HOT 1
- Update CLS to window-based
- Specify layout shifts during drag HOT 2
- Explain expectations for content which shifts while fully obscured by other content (i.e. covered by a fixed position z-index overlay)
- Resolve confusion from equal previous/current rects
- Input Exclusion (lastInputTimestamp and hadRecentInput) should include certain interactions with Browser UI. HOT 1
- The definition of DCLS and CLS (non-normative) should mention ignoring shifts with hadRecentInput: True
- Broken references in Layout Instability API
- Clarify value of entry.name: empty string or "layout-shift"
- Layout shift reported without actual visual shifting for resized fixed iframe HOT 4
- exclude elements that transition from hidden to visible HOT 4
- CLS issue caused by FIXED position elements having z-index HOT 2
- Clarification about Hover causing layout shift HOT 2
- `content-visibility: auto;` makes CLS go bananas HOT 2
- Consider excluding user-scroll + scroll-anchor in the same frame from being penalized HOT 1
- What events trigger LayoutShift Performance Callback? HOT 2
- Starting point shift with countering transform change should be ignored HOT 1
- Change events should also trigger hadRecentInput
- ignore inline-direction shift in/out of view
- Case of sticky sidebars changing from absolute to fixed HOT 1
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from layout-instability.