About 20 minute each. bitrate 128 kbps. moov atom already Fast start with ffmpeg encoding proccess.
its smooth to download and view in direct link (Chrome in Android automatically play mp4 direct link, so I assume its streaming). But at night when my visitors all online the Straming process is has to wait around 20 seconds at start, while usually about 5 seconds to load.
so its 15 seconds to wait longer. and visitors hates to wait even 15 seconds only