I made a chart of what land units counter what for newer players with the HD remake. : r/aoe2
Version 4.0 of my Land unit counters chart, now with Expanded anti eagle, skirmisher, Pike and more. : r/aoe2
AoE4 Unit Counters - YouTube
Where is my Unit Counters Chart? - Ask for Help - Age of Empires Forum
Feudal Rushing - Forgotten Empires
I made a printable/readable version of the feudal unit counter chart. It could be cleaned up a bit more, but it's good enough for me. PSD in the comments. : r/aoe4