Keyword Analysis & Research: what year was homework invented


Keyword Analysis

Keyword CPC PCC Volume Score Length of keyword
what year was homework invented1.46198902931
what0.570.65051004
year1.090.52221854
was1.310.226501003
homework0.513129758
invented0.0418083198

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Keyword CPC PCC Volume Score
what year was homework invented1.190.5194179

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