Resource initiator information to enable creation of dependency trees
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@guohuideng2024 is already working on this.
Since May 9, 2025.
enhancement
- Dominant language
- Bikeshed
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- 40
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Description
many years ago we talked about extending the initiator information that resource timing exposes to enable creation of dependency trees from RUM data.
Those dependency trees could then enable better understanding of the resource loading of the page in the wild, and enable interesting analysis and optimizations.
For example, understanding which resources are responsible for the loading of others, can result in understanding that early discovery of the resources can speed up others, and encourage developers to preload them.
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