Mailtrack's green checkmarks seem to be delayed Updated: October 08, 2026 13:37 Try to update your email (do a refresh, or press F5 when the Gmail tab is showing). If still nothing happens, close and open your Google Chrome. Articles in this section My Gmail layout is customized and I have problems seeing Mailtrack's double-checksGiant Mailtrack check marks in GmailWhy is device information no longer showing in the tooltip?