Ecommerce Facebook verage Marketing Efficiency Rating (MER)
MER = total revenue ÷ total ad spend; often referred to as “blended” ROAS.
MER 2020–21: 5.03
MER 2021–22: 4.82 Ecommerce Facebook
MER YoY %-change: -4.26%
iOS 14.5 Effect on Marketing Efficiency Rating
Pre-iOS MER (Feb.–Apr. 2021): 5.24
Post-iOS MER (July–Sept. 2021): 4.98
Pre vs Post MER %-change: -4.90%
Ecommerce Marketing Efficiency Rating (MER) 12-Month Rolling YoY
Average Weekly Facebook Spend per Account
Facebook Spend 2020–21: $14,534
Facebook Spend 2021–22: $16,365
Facebook Spend YoY %-change: +12.60%
iOS 14.5 Effect on Weekly Facebook Spend
Pre-iOS Spend (Feb.–Apr. 2021): $13,592
Post-iOS Spend (July–Sept. 2021): $14,454
Pre vs Post Spend %-change: +6.34%
12-Month Rolling YoY
Average Facebook CPM (Cost per 1k impressions)
Facebook CPMs 2020–21: $1 comoros email list 7974 contact leads 2.18
Facebook CPMs 2021–22: $13.63
Facebook CPMs YoY %-change: +11.91%
iOS 14.5 Effect on Facebook CPMs
Pre-iOS CPMs (Feb.–Apr. 2021): install and activate the hubspot for wordpress plugin $11.13
Post-iOS CPMs (July–Sept. 2021): $12.01
Pre vs Post CPMs %-change: +7.97%
Ecommerce Facebook CPM (Cost per be numbers Mille) 12-Month Rolling YoY
