api.ServiceWorker - WebView on iOS does have support via App Bound Domains
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- Dominant language
- JSON
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Description
What type of issue is this?
Incorrect support data (example: BrowserX says "86" but support was added in "40")
What information was incorrect, unhelpful, or incomplete?
WKWebView does not support service workers for all domains at once but it can for up to 10 domains on an app via App Bound Domains.
What browsers does this problem apply to, if applicable?
WKWebView on iOS
What did you expect to see?
That service workers are supported for up to 10 domains via App Bound Domains
Did you test this? If so, how?
I've used this feature in an app some years ago for 4 domains and it worked as expected.
Can you link to any release notes, bugs, pull requests, or MDN pages related to this?
https://stackoverflow.com/a/64155509/3255152
https://webkit.org/blog/10882/app-bound-domains/
Do you have anything more you want to share?
Thank you for all the great information and data on your site!
MDN URL
https://developer.mozilla.org/en-US/docs/Web/API/ServiceWorker
MDN metadata
MDN page report details
- Query:
api.ServiceWorker - Report started: 2025-08-01T23:45:05.925Z
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start by locating the api.ServiceWorker entry in the browser-compat-data JSON and review its current WKWebView support data. Compare the entry with the linked WebKit App Bound Domains information, update the compatibility statement to reflect support for up to 10 domains, and run the repository's data validation checks.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- json
- Domain
- web-dev
- Issue type
- Bug
- Difficulty
- 2/5
- Estimated time
- 1-3 hours
- Activity status
- Quiet
- Clarity
- Mostly clear
- Newbie friendliness
- 68/100