CPM (Cost Per Thousand) - Answers CPM = (Cost/Impressions) x 1000
CPC (Cost Per Click) - Answers CPC = Cost/Clicks
CTR (Click Through Rate) - Answers CTR = (Clicks/Impressions) x 100
CPL (Cost Per Lead) - Answers CPL = Cost/Leads
CPE (Cost Per Engagement) - Answers CPE = Cost/Engagement
Site Index - Answers Site Index = (% Composition of site/% composition of base audience) x 100
ER (Engagement Rate) - Answers ER = (Engagement/Impressions) x 100
eCPM (Effective CPM) - Answers eCPM = (Total Cost/Total Impressions) x 1000
CPS (Cost Per Sale) - Answers CPS = Cost/Sales
CR (Conversion Rate) - Answers CR% = (Conversions/Clicks) x 100
GRPs (Gross Rating Points) - Answers GRPs = Reach x Frequency
ROAS (Return On Ad Spend) - Answers ROAS = Revenue/Cost
ROI (Return On Investment) - Answers ROI = (Rev - Cost)/Cost
Bounce Rate - Answers Bounce Rate % = (Bounce/Total Sent) x 100
Open Rate - Answers Open Rate % = [Opens/(Total Sent - Bounced)] x 100
Conversion Rate - Answers Conversion Rate % = (Conversions/Total Opens) x 100
Unique Open Rate - Answers Unique Open Rate % = (Unique Opens/Total Impressions) x 100
Opt-out Rate - Answers Opt-out Rate % = (Unique Opens/Total Imps) x 100
Response Rate - Answers Response Rate % = Responses/(Total Sent - Bounced) x 100