Green checkmarks seem to be delayed February 18, 2020 15:14 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. Related articles I get an open notification when checking my own sent email from another device Why am I getting Mailtrack notifications from a family member or friend within my account? My Gmail layout is customized and I have problems seeing Mailtrack's double-checks Active email indicator Emails not tracked (grey checkmarks)