Re: [w3c/ServiceWorker] Requests from <object> elements are not intercepted (Issue #1799)

yoshisatoyanagisawa left a comment (w3c/ServiceWorker#1799)

Thank you for the detailed report, and thanks to @wanderview and @mkruisselbrink for providing the helpful context.

As already pointed out, this is indeed the expected behavior.  Requests from `<object>` elements are intentionally not intercepted by Service Workers.

The underlying challenge, which is discussed in detail in issue #249, is that these elements can dynamically create a new browsing context depending on the response they receive. Handling this ambiguity is very complex.

Given that this is a known limitation and the core issue is tracked in #249, I will be closing this issue as "not planned".

Thanks again to everyone for the valuable discussion.

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Received on Wednesday, 22 October 2025 04:08:27 UTC