Reply To: CPU Utilization Home › Forums › Front End PM PRO › CPU Utilization › Reply To: CPU Utilization February 20, 2019 at 11:59 pm #21853 Shamim HasanKeymaster How many tabs are open of your website during testing? How many users are testing simultaneously? Please use fep_filter_ajax_notification_interval hook and increase the value to 300000 and test if that helps. Let me know.