Pick a size, pick a colour, then open a style to copy its code. Every badge updates itself with the live player count.
GameTracker's default banner size, so it drops straight into an existing slot.
<a href="https://mantascope.com/arma3/server/c-co-3rd-bn-7th-sfg-op-grey-sky-1298041"><img src="https://mantascope.com/server-img?id=1298041&size=banner&style=poster&color=auto" srcset="https://mantascope.com/server-img?id=1298041&size=banner&style=poster&color=auto 1x, https://mantascope.com/server-img?id=1298041&size=banner&style=poster&color=auto&dpr=2 2x, https://mantascope.com/server-img?id=1298041&size=banner&style=poster&color=auto&dpr=3 3x" width="560" height="95" alt="C Co 3rd BN 7th SFG, OP Grey Sky" /></a>
Includes srcset, so retina screens load the sharper 2× image automatically.