https://www.w3.org/news/2026/first-public-working-draft-long-animation-frames-api/
First Public Working Draft: Long Animation Frames API | 2026 | News | W3C
This document defines an API that web page authors can use to detect presence of "long animation frames" that monopolize the UI thread for extended periods of...
long animation frames apifirst publicworking draft
https://developer.chrome.com/docs/web-platform/long-animation-frames?authuser=9
Long Animation Frames API | Web Platform | Chrome for Developers
Learn about the Long Animation Frames API (LoAF) which is the next iteration of the Long Tasks API and allows measuring frame update delays with attribution
long animation frames apiweb platformchromedevelopers
https://www.w3.org/standards/history/long-animation-frames/
Long Animation Frames API publication history | Standards | W3C
The World Wide Web Consortium (W3C) is an international community where Member organizations, a full-time staff, and the public work together to develop Web...
long animation frames apipublication historystandards