Using requestIdleCallback(developers.google.com)9 points·by mxfh·11 anni fa·2 commentsdevelopers.google.comUsing requestIdleCallbackhttps://developers.google.com/web/updates/2015/08/27/using-requestidlecallback1 commentsPost comment[–]hlfcoding·11 anni fareplyThis looks useful as an opt-in performance feature.[–]kinlan·11 anni fareplyDo you mean developer opt in, or user opt-in?