Cost Per Inline Post Engagement is the average cost of each inline engagement with an advertisement on social media. It is calculated by dividing the total amount of money spent on ads by the total number of engagements with the ads and is a variation of Cost Per Click (CPC).

Cost Per Pixel (CPP) is the average amount of money spent on conversions from tracking pixels in advertisements. A tracking pixel is a piece of code that enables collection and usage of user behavioural data to display targeted ads relevant to the user.

Cost Per Thousand (CPM), also called Cost Per Mille, is a marketing term used to describe the price of 1,000 advertisement impressions on an advertiser's webpage. If a website publisher charges $2.00 CPM, that means an advertiser must pay $2.00 for every 1,000 impressions of its ad. The "M" in CPM represents the word "mille," which is Latin for "thousands."

Cost Per Unique Click is the average amount of money spent for each unique click on links in advertisements. Generally, unique clicks include link clicks, clicks to view profile pages, engagement such as likes and shares, and clicks to view media.

Cost Per Unique Inline Link Click is the average amount of money spent per unique click on links contained in advertisements. It is calculated by dividing the sum of the money spent on ads by the total number of unique clicks on the links within the ads and is a variation of Cost Per Click (CPC).

Cost per Activated Lead measures the costs involved in generating one activated lead. An activated lead is a potential customer who demonstrates intention to purchase your product.

Customer Acquisition Cost (CAC) is the cost a business incurs to acquire a new customer. This includes the fully loaded costs associated with sales and marketing to attract a potential customer and to convince them to purchase, divided across all new customers.

Customer Conversion Rate is the percentage of contacts that convert to won customers

The Customer Lifetime Value (LTV) metric indicates the total revenue a business can reasonably expect from a single customer account. It considers a customer's revenue value and compares that number to the company's predicted customer lifespan. Businesses use this metric to identify their most valuable customer segments.

Email Bounce Rate is the percentage of emails that have not successfully reached recipients. An email bounce occurs when a sender receives a Non-Delivery Report (NDR) for an email. The number of email bounces divided by the total number of emails sent gives the Email Bounce Rate.

Email Click Rate is the number of unique recipients who clicked on any link in your email, represented as a percentage of successfully delivered emails. This metric is a good indicator of how click-worthy your subject lines are, and can also be used to gauge email deliverability.

Email Clicks is an email marketing metric that counts the total number of times any link in your email was clicked by your email recipients. Email Clicks data is used to calculate many other important email marketing metrics such as Email Click Rate and CTOR.