Bug 231894
| Summary: | Allow for different lazy loading policies on responsive image sources. | ||
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| Product: | WebKit | Reporter: | Patrick Meenan <patmeenan> |
| Component: | Images | Assignee: | Nobody <webkit-unassigned> |
| Status: | NEW | ||
| Severity: | Enhancement | CC: | nmouchtaris, rbuis, sabouhallawa, simon.fraser, webkit-bug-importer |
| Priority: | P2 | Keywords: | InRadar |
| Version: | WebKit Nightly Build | ||
| Hardware: | All | ||
| OS: | All | ||
Patrick Meenan
Currently lazy loading is applied to the <img> element, even when there are multiple <source> tags for the same image within a <picture>.
For a responsive site that may have different images in the viewport based on layout (mobile vertical scroll vs desktop grid for example), a developer will need to decide which layout to optimize for and potentially slow down the performance of the other layouts.
A possible solution would be to have a given <source> to have a loading attribute that would override the lazy loading state of the <img> that it is associated with.
This is an extension of the original lazyload support: https://bugs.webkit.org/show_bug.cgi?id=200764
whatwg issue: https://github.com/whatwg/html/issues/7227
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Radar WebKit Bug Importer
<rdar://problem/84615291>