pls I need help from experts, when people try to download from my wordpress site, the site does not show the total download size of the music or any file, it will display the download notification and progress but it won't display the total file size until download is completed. pls I need a way to fixed this? some browsers like chrome will display the total downloading file as a question mark(?) while some won't display it at all until download is completed. pls help me, its a big headache