CPC (Cost Per Click)

It is what you pay to get a click on your Ad.

CPC = Cost to an Advertiser / Number of Clicks

Conversion Rate

Conversion rate is the number of conversions divided by the number of visitors

Conversion Rate = Number Of Conversions * 100 / Number Of Clicks

ROI (Return on Investment)

ROI is the measure of the profit or loss that you generate on your digital marketing campaigns

ROI = Revenue - Cost / Cost

CTR (Click Through Rate)

Click-through rate is the ratio of users who click on a specific link to the number of total users who view a page, email, or advertisement.

CTR = (number of clicks / number of impressions) x 100

CPM (Cost Per Thousand)

How much it costs to have an ad published a thousand times on the Internet, and seen by users.

CPM = Cost to an Advertiser x 1000 / Impressions

CPA (Cost Per Action)

How much it costs to obtain a Conversion. (A "conversion" is an action that was considered useful by a user on your website, such as subscribing to a newsletter or buying a product.)

CPA = (Total Ad Cost / Total Attributed Conversions)

CPL (Cost Per Lead)

CPL is short for cost per lead, meaning that the advertiser pays when a lead form is completed and submitted.

CPL = Cost to the Advertiser / Ad Generated Leads