navigator.sendBeacon() page doesn't mention payload limit #42932
Description
MDN URL
https://developer.mozilla.org/en-US/docs/Web/API/Navigator/sendBeacon
What specific section or headline is this issue about?
No response
What information was incorrect, unhelpful, or incomplete?
The page doesn't mention the payload limit of 64 KiB, as defined in the Fetch spec.
What did you expect to see?
Mention the payload limit.
Do you have any supporting links, references, or citations?
See: mdn/browser-compat-data#20721 (comment)
It is already implemented by Chrome, and Safari, and Firefox implements it via bug 2008613.
Do you have anything more you want to share?
No response
MDN metadata
Page report details
- Folder:
en-us/web/api/navigator/sendbeacon - MDN URL: https://developer.mozilla.org/en-US/docs/Web/API/Navigator/sendBeacon
- GitHub URL: https://github.com/mdn/content/blob/main/files/en-us/web/api/navigator/sendbeacon/index.md
- Last commit: 754b682
- Document last modified: 2025-11-17T16:52:01.000Z