Haste does not guaranty lag reduction for all users but please make sure you review the following factors that may affect your circumstances.
First, ensure that your game is displayed in the status tab of Haste while the game is running. If it is not, then it is not a supported game being played on a North American server.
Even if Haste is not improving a single ping measurement (i.e., latency), Haste also optimizes jitter and packet loss, so while your ping may not change, your jitter and packet loss could be improved. Your ping may decrease over time as Haste identifies better paths for your connection.
Refer to What is Lag? for more information about Ping, Jitter and Packet Loss.
If you would like us to review your experience, please email us at firstname.lastname@example.org.