How to marking real-time on the map in MP?


I’m studying and develop simple Drone GCS program using mavlink and python drone-kit

so Now i’m making drone map, To track and planning mission for the drone like Mission planner.

so i trying to benchmarking MP but don’t know how to build it
now i can get drone coordinates and marking on the map using google-map api(JS) and ajax…(keep page reload to marking current drone location…)
but making refreshing the drone marker(Traking real-time) is so hard …

please give me some adivce for me…

thank you