Heavy throttling of chained JS timers beginning in Chrome 88

Publisher

Google (Chrome for Developers)

URL

https://developer.chrome.com/blog/timer-throttling-in-chrome-88

Published

2021-01-18

Updated

unknown

Accessed

2026-10-02

HTTP status

200

License

Content CC BY 4.0 per Chrome for Developers site policy; code samples Apache 2.0; attribution required; short excerpts and locators only in this corpus

Source notes citing this source

• Since Chrome 88, chained JavaScript timers in a page hidden for more than 5 minutes, silent for at least 30 seconds and not using WebRTC are intensively throttled so that they run at most about once per minute. in context
• If the desktop's 4-second keepalive is driven by a JavaScript timer, Chrome's intensive throttling of a hidden, silent tab could delay keepalives past the 16-second detection window and trigger recovery; an active WebRTC call or audio playback would exempt the tab. inferred in context

Cite this source record

APA

WarmTransfer. (2021, January 18). Heavy throttling of chained JS timers beginning in Chrome 88. WarmTransfer. https://warmtransfer.net/knowledge/sources/chrome-dev-blog-timer-throttling-chrome-88

BibTeX

@misc{warmtransfer-chrome-dev-blog-timer-throttling-chrome-88,
  title  = {Heavy throttling of chained JS timers beginning in Chrome 88},
  author = {{WarmTransfer}},
  year   = {2021},
  url    = {https://warmtransfer.net/knowledge/sources/chrome-dev-blog-timer-throttling-chrome-88},
  note   = {Google (Chrome for Developers), accessed 2026-10-02}
}