Digital Media Glossary
This glossary covers some of the most common digital media terms, their meanings, abbreviations & calculations where applicable. These metrics are crucial for advertisers and marketers to understand and optimize their digital advertising strategies.
Glossary
CPM
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Definition: CPM stands for "Cost Per Mille," where "mille" means thousand in Latin. It represents the cost an advertiser pays for one thousand impressions (views) of their advertisement.
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Abbreviation: CPM
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Calculation: CPM = (Total Ad Spend / Total Impressions) x 1,000
Completion Rate
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Definition: Completion rate in digital media usually refers to the percentage of video ads played through their entire duration, out of the total number of times the video was started.
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Abbreviation: CVR
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Calculation: Completion Rate = (Number of Completed Views / Number of Video Starts) x 100%
Impression
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Definition: An impression is counted each time an advertisement or any other form of digital media is fetched and displayed on a user's screen, regardless of whether it was clicked or not.
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Abbreviation: N/A
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Calculation: N/A (It's a raw count, not a calculated metric.)
Cost Per Click
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Definition: CPC stands for Cost Per Click, and it measures how much an advertiser pays each time a user clicks on their advertisement.
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Abbreviation: CPC
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Calculation: CPC = Total Ad Spend / Total Number of Clicks
Click Through Rate
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Definition: CTR is a ratio showing how often people who see your ad end up clicking it. It can be used to gauge how well your keywords and ads are performing.
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Abbreviation: CTR
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Calculation: CTR = (Total Clicks on Ad / Total Impressions) x 100%
Cost Per Acquisition
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Definition: CPA is a digital advertising metric that measures the aggregate cost to acquire one paying customer on a campaign or channel level.
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Abbreviation: CPA
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Calculation: CPA = Total Ad Spend / Total Number of Acquisitions
Effective Cost Per Millie
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Definition: eCPM is used to calculate the ad revenue generated per 1,000 impressions. It's a useful metric to compare the effectiveness of different advertising programs.
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Abbreviation: eCPM
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Calculation: eCPM = (Total Earnings / Total Impressions) x 1,000
Viewability
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Definition: Viewability is a metric that tracks how visible advertisements are to users. An ad is considered viewable if at least 50% of it appears on screen for more than one second, according to the Interactive Advertising Bureau (IAB) standards.
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Abbreviation: N/A
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Calculation: N/A (It's measured through tracking technologies, not a calculation.)
Return on Investment
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Definition: ROI measures the gain or loss generated on an investment relative to the amount of money invested. It's widely used to evaluate the efficiency of an investment in marketing.
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Abbreviation: ROI
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Calculation: ROI = [(Return from Investment - Cost of Investment) / Cost of Investment] x 100%
Return on Ad Spend
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Definition: ROAS measures the gross revenue generated for every dollar spent on advertising. It is a key metric to assess the effectiveness of online advertising campaigns.
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Abbreviation: ROAS
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Calculation: ROAS = Revenue from Ad Campaign / Cost of Ad Campaign
Engagement Rate
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Definition: Measures the level of engagement that a piece of created content is receiving from an audience. It includes actions like likes, shares, and comments.
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Abbreviation: N/A
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Calculation: Engagement Rate = (Total Engagements on a Post / Total Impressions) x 100%
Bounce Rate
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Definition: The percentage of visitors to a website who navigate away from the site after viewing only one page.
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Abbreviation: N/A
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Calculation: Bounce Rate = (Single Page Visits / Total Visits) x 100%
Search Engine Optimization
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Definition: The practice of increasing the quantity and quality of traffic to your website through organic search engine results.
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Abbreviation: SEO
Search Engine Optimization
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Definition: A form of Internet marketing that involves the promotion of websites by increasing their visibility in search engine results pages (SERPs) primarily through paid advertising.
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Abbreviation: SEM
Demand Side Platform
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Definition: A system that allows buyers of digital advertising inventory to manage multiple ad exchange and data exchange accounts through one interface.
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Abbreviation: DSP
Supply Side Platform
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Definition: A technology platform to enable web publishers and digital out-of-home (DOOH) media owners to manage their advertising space inventory, fill it with ads, and receive revenue.
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Abbreviation: SSP
Call to Action
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Definition: A prompt on a website that tells the user to take some specified action, such as "Read More", "Call Now", or "Sign Up".
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Abbreviation: CTA
Conversion Rate
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Definition: The percentage of users who take a desired action.
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Abbreviation: N/A
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Calculation: Conversion Rate = (Number of Conversions / Total Visitors) x 100%
Daily Active Users
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Definition: The number of unique users who engage with a site or app in a 24-hour period.
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Abbreviation: DAU
Monthly Active Users
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Definition: The number of unique users who engage with a site or app in a 30-day period.
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Abbreviation: MAU
Average Revenue Per User
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Definition: A measure used primarily by consumer communications, digital media, and networking companies, defined as total revenue divided by the number of subscribers.
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Abbreviation: ARPU
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Calculation: ARPU = Total Revenue / Total Number of Users
Lifetime Value
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Definition: A prediction of the net profit attributed to the entire future relationship with a customer.
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Abbreviation: LTV
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Calculation: LTV = (Average Purchase Value x Purchase Frequency) / Churn Rate
Churn Rate
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Definition: The percentage of customers or subscribers who cut ties with your service or company during a given time period.
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Abbreviation: N/A
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Calculation: Churn Rate = (Customers at Beginning of Period - Customers at End of Period) / Customers at Beginning of Period x 100%
Programatic Advertising
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Definition: The use of software to buy digital advertising, as opposed to the traditional process that involves human negotiation and manual insertion orders.
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Abbreviation: N/A