这是indexloc提供的服务,不要输入任何密码
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2 changes: 1 addition & 1 deletion explainer/integration_with_web_platform.md
Original file line number Diff line number Diff line change
Expand Up @@ -8,7 +8,7 @@ The src attribute which defines the url of the fenced frame is subjected to vari
The origin of the fenced frame will be the regular origin that it got navigated to. For opaque src, the origin will be that of the url that the opaque urn was mapped to by the browser. Any origin-keyed storage and communication channels with other same-origin frames outside the fenced frame tree will be disallowed by using a partitioning key with a nonce. The storage key will use the same nonce for the nested iframes and the root fenced frame, so that same-origin channels can still work within the fenced frame tree. Essentially, along with the storage partitioning effort, the storage and broadcast channel access will be keyed on <fenced-frame-root-site, fenced-frame-root-origin, nonce> for the root frame and <fenced-frame-root-site, nested-iframe-origin, nonce> for a nested iframe. More details related to this can be found [here](https://github.com/shivanigithub/fenced-frame/blob/master/explainer/storage_cookies_network_state.md).

## Size
To avoid the size attribute being used to communicate user identifying information from the embedding context to the fenced frame, this will be limited to only a few values. E.g. In the opaque-ads mode, some of the popular values that are (relevant for ads)[https://support.google.com/admanager/answer/1100453?hl=en]. We are also considering allowing some of these sizes to be flexible based on the viewport width on mobile.
To avoid the size attribute being used to communicate user identifying information from the embedding context to the fenced frame, this will be limited to only a few values. E.g. In the opaque-ads mode, some of the popular values that are [relevant for ads](https://support.google.com/admanager/answer/1100453?hl=en). We are also considering allowing some of these sizes to be flexible based on the viewport width on mobile.
Note that since size is a channel, these ads cannot be resized by the publisher.
TODO: The actual sizes that will be used for the "opaque-ads" fenced frame is yet to be determined and published here.

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