Forums › Forums › White Hat SEO › PPC › A decrease on impressions due to seasonality would also affect Search Impression Share? › Reply To: A decrease on impressions due to seasonality would also affect Search Impression Share? mkcsz Guest August 25, 2021 at 9:30 am Your analysis is (theoretically) correct. Impression Share should remain stable over seasons while Impressions fluctuate with it, assuming no changes in optimization and competition.
