WoT mods Arty Reload Mod which gives you information on how much time will be artillery ready for the next fact. If you need to launch an attack it is better to wait to have ready your artillery shell and that you can support. Very important is that you can see whether the enemy arty full and you can use that time for a quick and sudden attack on her or enemy tank.
The previous version had a fashion mistake after leaving the game the same again started. In this version of the fault is removed.