Is 'Use pagehide as a fallback' clause still needed?

[NagayamaToshiaki]

MDN URL

https://developer.mozilla.org/en-US/docs/Web/API/Navigator/sendBeacon

What specific section or headline is this issue about?

Use pagehide as a fallback

What information was incorrect, unhelpful, or incomplete?

All modern browsers now implement the visibilitychange function, so this information is absolutely out of date.

What did you expect to see?

This section to be removed.

Do you have any supporting links, references, or citations?

No response

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: e3b1390
• Document last modified: 2026-04-09T14:37:05.000Z

[wbamberg]

All modern browsers now implement the visibilitychange function, so this information is absolutely out of date.

Yes, agreed. This advice appears because there was a significant issue around Safari's support, which was just about to get fixed when I rewrote the page. But that was more than 5 years ago.