September HCU(X) Impact Intensifies with March Core Update

Summary

Two weeks post the March core update, no recovery is seen for sites affected by the September HCU(X), with most sites experiencing a further decline. Google's helpful content system, now part of its core ranking systems, uses multiple systems to assess content usefulness. The new method appears to have a greater impact on sites than the original HCU classifier. However, as more systems are updated with the March core update, changes could occur in the following weeks.