My server got a bit lagging sometimes. Can you help me with this timings?

[zzvenuszz]

My timings:
https://timings.spigotmc.org/?url=19246929
Does my dynmap plugin cause lag? are there another plugins causing lag too?

(sorry if this post wrong topic, move it please MOD, i'm new)

 

[Ace]

What's your server IP? Depending on your dynmap configuration, it may or may not cause lag.

Edit:
Is your server open to public already or still under development, @zzvenuszz? Because if you just installed dynmap, it will really cause lag especially when it's just generating map chunks.