Glossary

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Glossaries archive

Explore our specialized glossaries in advertising technologies

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4K 

Ultra-high definition video. We refer to 4K when the screen has 4,000 horizontal pixels.

Technology

Ad Creative

The actual ad asset (image, video, HTML) delivered to the user.

Ad Exchange

Technology platform where programmatic advertising transactions are carried out connecting demand (DSP; demand side platforms) and supply (SSP; supply side platforms).

Advertising

Ad Exchange

Marketplace connecting DSPs and SSPs for buying and selling ads.

Ad Fill Rate

The percentage of ad requests that are successfully filled with an ad impression: Fill Rate = (Filled Requests / Total Requests) * 100. Low fill rates may suggest weak demand or misconfiguration.

Metrics

Ad Fraud

Any intentional activity that generates false ad interactions (impressions, clicks, installs) to steal advertising spend without providing real value.

Security

Ad Fraud

Invalid traffic or activity to manipulate ad metrics.

Ad Frequency

The average number of times an ad is served to the same user. Helps assess saturation and avoid ad fatigue.

Metrics

Ad Injection

Unauthorized placement of ads into websites or apps, usually via malware, redirecting users or hijacking monetization.

Ad Network

Advertising platform where inventory of different publishers, who share a direct contractual relationship, is sold.

Advertising

Ad Server

Technology that allows advertising to be served on digital media, facilitating the segmentation of campaigns. The system keeps statistics of the results generated by the actions as well, favouring their analysis and optimization. There are two main types of Ad servers: Support, in charge of serving the campaigns in the publisher, prioritizing them according to the publisher's business priorities. Agency, which facilitates the monitoring of the campaigns served by the publishers' Ad servers, making it possible to break up data, and measures the effects of the campaigns on the digital properties of the advertisers.

Advertising

Ad Slot

Space within a webpage or app where an ad can be shown.

Ad Stacking

Layering multiple ads on top of one another in the same ad space, where only the top ad is visible but all are counted as impressions.

Ad Verification

Technology used to ensure ads are displayed in brand-safe, fraud-free, and viewable environments according to campaign specifications.

Ad Verification

Tools/services ensuring ads meet compliance, brand safety, etc.

Addressable Advertising

TV advertising model that allows, through the same content, to personalize the impact on households thanks to the execution of different advertising campaigns depending on the profile of each household.

Advertising

ads.txt / app-ads.txt

Text file that the publisher locates in its properties (support website or of the publisher of a mobile app) which lists the companies with which the publisher has direct agreements to sell its advertising inventory in the programmatic ecosystem. This tool brings transparency to a highly automated marketplace and helps prevent fraud.

Advertising

Advanced vídeo Coding (AVC)

Advanced video compression format. Also known as JVT, H.264 and MPEG4 part 10.

Technology

Advertiser

Company promoting an app/product via ads.

Key Players

Affiliate Network

Network connecting advertisers with traffic sources.

Key Players

Agency

Company managing ad campaigns for advertisers.

Key Players

Agency Trading Desk

Team within media agencies or advertisers in charge of managing the purchase of programmatic advertising campaigns for their clients through the use of one or more DSPs, and which are segmented with data that can be activated from DMPs.

Advertising

AI (Artificial Intelligence)

Machine learning model that allows programs to simulate the human learning model. In the video market, this model is used to generate content recommendations, follow user activity within the platform, and generate metadata through audiovisual content.

Technology

Amazon Fire Stick / Amazon Fire TV

Device developed by AMAZON that, when connected to a television set allows downloading APPs and accessing video platforms, games and digital services through the Internet.

Devices

Android TV

Version of the ANDROID operating system designed to be used on televisions and decoders. Companies interested in it must be certified by Google before being allowed use it.

Devices

AOSP

AOSP stands for Android Open Source Project, an independent initiative that facilitates the development of the Android mobile platform. Unlike Android TV, this free version allows device manufacturers to change anything they might they consider important.

Technology

API

Application programming interface. One of its most relevant characteristics is to enable your software to connect with others, facilitating the interaction between them.

Technology

API (Application Programming Interface)

Interface for connecting systems and data.

Operational and Technical Terms

App Crashes

The rate at which an app unexpectedly closes during user sessions. Expressed as (Crashes ÷ Sessions) × 100%. High crash rates degrade UX and negatively impact app ratings.

Metrics

App Launch Time

Time from tapping the app icon until users see and interact with the app. Includes Time to Initial Display (TTID) and Time to Fully Drawn (TTFD). Typical targets: < 5 s cold start, < 1.5–2 s warm/hot start

Metrics

App spoofing

An ad fraud scheme in which a malicious party impersonates another application, causing the ads to redirect to applications that mimic other more popular apps.

Advertising

App Store

Market that enables companies to offer, for free or with payment models, downloadable applications for users. An example is the iOS, Google Play and Roku app stores, etc.

Services

App Store Optimization (ASO)

App Store Optimization (ASO) is the process of improving an app’s visibility and ranking in app stores to increase downloads.

Operational and Technical Terms

Apple TV

Apple device that, when connected to a television, allows users to download applications and watch videos over the Internet.

Devices

Arbitrage

Buying traffic at one price and selling at another.

Operational and Technical Terms

ARPU

Stands for Average Revenue Per User. This metric indicates how much the viewer spends on the services of an operator during a given period, thus making it easier to analyze and plan the profitability of an IPTV / OTT service.

Advertising

ARR

Stands for Annual Recurring Revenue. This metric indicates the amount of money that a company generates per year through its business model.

Business

Aspect ratio

Ratio of width to height of a screen. The NTSC standard uses a 4: 3 ratio that is closest to a square, and HD televisions most often use a 16: 9 wide format.

Technology

Attention Metrics

Metrics that assess how much attention users give to an ad, using data signals like eye tracking, time in-view, or interaction depth.

Metrics

Attribution

Process of assigning credit to touchpoints in the conversion path.

Attribution Fraud

Deception to steal credit for a legitimate conversion, such as when a fraudulent actor generates a click just before a conversion so the install is attributed to them.

Attribution Window

The attribution window defines the time period within which a user’s action is credited to an earlier ad interaction.

Measurement Frameworks

Attribution Window

Time frame for attributing actions to a campaign.

Operational and Technical Terms

Auction Type

Defines how the winning bid is selected (e.g., first-price, second-price).

Audible On/Off

Indicates whether video/audio ads were played with sound on. This can impact engagement and brand recall.

Metrics

Audience Segment

A group of users with shared characteristics or behavior.

Audio Duration

Captures how long a user listens to an audio ad (e.g., complete plays, average duration, listen-through rate).

Metrics

Automated Guaranteed

Automated advertising transaction in the private market where an advertiser buys placements at a fixed price for a limited period of time. It is the variant most similar to purchasing traditional non-programmatic media.

Advertising

Average Revenue Per User (ARPU)

Average revenue generated per active user over a specific period, calculated as Total Revenue ÷ Active Users

KPIs

AVOD

Advertising Video On Demand is the name given to the video on demand service that generates income by playing advertisements within the service. An example is the free YouTube platform, which plays ads over its videos and has display ad placements with which it generates revenue.

Business

Bandwidth

Bandwidth is the volume of data that can be transmitted from one point to another in a fixed period of time. Depending on the type of online service, different bandwidths are required. For example, in a standard definition (SD) video (480p) this indicator is set at 1 megabit per second (Mbps), while in high definition (HD) videos (720p) it is raised to 4 Mbps.

Technology

Bid Rate

In programmatic advertising, this is the proportion of total ad requests for which a DSP submits a bid. A low bid rate might indicate strict targeting or bidding filters.

Metrics

Bid Request

Request sent by SSP to DSP with ad opportunity details.

Bid Response

The bid returned by a DSP with price and creative details.

Bid Throttling

Strategy to control bidding rate to manage cost or performance

Billing Notice

Signal from exchange when a winning bid becomes billable.

Binge-watching 

A common practice among OTT video platform users of watching episodes of a web series back to back until the available content of that series is finished.

Business

Bit-rate Management

The speed at which data is transferred from one point to another is defined by its bit rate. Bit rate can indicate the quality of an audio or video file. With bitrate management, your streaming content is adapted according to the connection capacity available on the end user's network.

Technology

Bitrate

Bitrate is the compression ratio of the video data transmitted by the source. The higher the bit rate, the better the video quality.

Technology

Bot Traffic

Ad interactions (clicks, views, conversions) generated by automated scripts or programs instead of real human users.

Brand Lift Metrics

Measures the impact of an ad on brand awareness, recall, preference, or intent. Usually done via surveys or panel data.

Measurement Frameworks

Brand Safety

Measures that ensure ads do not appear alongside harmful, illegal, or inappropriate content that could damage a brand's reputation.

Burst Campaign

High-spend, short-term campaign to boost rankings quickly.

Main Concepts

Cable TV

Traditional model of transmission of linear television services through a coaxial cable. Cable channels can also be used to provide Internet access, video on demand services, or voice services.

Technology

CAPTCHA

A tool to differentiate between bots and humans, often used in forms and sign-ups to prevent automated abuse or fraud.

Catch up

Technology that makes it possible to access digital content through the Internet at a time after it is viewed on a linear television channel. This is thanks to it being possible to record high-quality content in real time, which makes it easier to reproduce it later at the user's request.

Technology

CDN (Content Delivery Network) 

Network of servers located in countries that serve the content according to the location of the users. It is used to optimize the loading speed and guarantee the optimal experience for the end user.

Technology

Certification Authority ID

An ID that uniquely identifies the advertising system within a certification authority (this ID maps to the entity listed in field #1). A current certification authority is the Trustworthy Accountability Group (aka TAG), and the TAGID would be included here [11]. Declaration of certification IDs are superseded by the identifiers object in sellers.json. Note: This field belongs to 1.1 version and may be deprecated in future releases.

Chromecast built-in

Technology that enables the user to enjoy their favorite shows, entertainment and applications on their television or speakers using their mobile device, computer or tablet as a remote control

Technology

Chromecast 

Google Set-up box that connects to television sets and allows the downloading of applications to receive audiovisual content over the Internet.

Devices

Churn Rate

The churn rate is the inverse of retention—it tracks the percentage of users who stop using the app over a specific time period. High churn indicates poor engagement or satisfaction.

KPIs

Click

A click occurs when a user taps or interacts with an ad, typically leading to a destination such as an app store page, website, or landing page. Clicks are crucial for measuring engagement.

Metrics

Click Fraud

Artificially generating clicks on ads (often via bots or click farms) to inflate metrics or drain a competitor’s ad budget.

Security

Click Injection

A type of attribution fraud where malicious apps detect a download event and inject a fake click just in time to take credit for the install.

Click Spamming

Massive, random click generation without real user interaction, hoping one click gets credited for a future conversion.

Click-Through Attribution

Credit for conversion after clicking an ad.

Operational and Technical Terms

Click-Through Rate (CTR)

CTR is the ratio of clicks to impressions, expressed as a percentage. It shows how effective an ad is at encouraging users to engage: CTR = (Clicks / Impressions) * 100. High CTR often indicates strong ad relevance and appeal.

Metrics

Closed Captioning

Transcription of the dialogue in the audio channel of a video that is reproduced simultaneously with said video.

Technology

Cloud video Distribution

System where video files are stored on online servers, which makes it possible to access and view them from anywhere. This fact optimizes the experience of the end user. Cloud Video Distribution systems can be used as another name for CDNs (Content Delivery Network)

Technology

CMS

Content Management System. System used for the creation and publication of digital content. Its applications range from creating web pages to inserting images, graphics or videos into them.

Technology

Co-Viewing

Traditional television term that is also used in connected television. Audience meters try to estimate how many people watch traditional television, even when a group of people are simultaneously watching the same television. These estimates allow advertisers to pay for every person who might be viewing their ads. In the case of digital video services, the user is referred to as the person who is consuming a service, that is, who is viewing a video, although there is no unified response in the market. It is expected that in the future there will be a unification in the audience measurement models of the different platforms, thus allowing all audiovisual consumption models to follow the same parameters.

Business

Cohort ROAS

Return on ad spend segmented by user cohort.

Key Metrics

Comments

Annotations included in an ads.txt file to provide additional context or information without affecting the file's functionality. Comments are denoted by the character "#". Any line containing "#" should inform the data consumer to ignore the data after the "#" character to the end of the line.

CONTACT

Some human readable contact information for the owner of the file. This may be the contact of the advertising operations team for the website. This may be an email address, phone number, link to a contact form, or other suitable means of communication.

Contextual Targeting

Delivering ads based on app/site content.

Operational and Technical Terms

Conversion

Achievement of the desired user action after viewing or clicking an ad.

Conversion

A conversion is any predefined action completed by a user after interacting with an ad, such as installing an app, signing up, making a purchase, or subscribing to a service. It's a primary measure of campaign success.

KPIs

Conversion Rate

Percentage of users who complete a conversion after clicking an ad.

Conversion Rate (CVR)

The percentage of users who complete a desired action after clicking an ad.

Key Metrics

Conversion Rate (CVR)

CVR reflects the percentage of users who completed a desired action after clicking an ad: CVR = (Conversions / Clicks) * 100. It's a key performance indicator for measuring the effectiveness of the user journey.

KPIs

Cookie

Files sent by a server to a web browser that are stored on the hard drives of users' devices. These files allow the collection of information about the user's browsing activities on the website that created the cookie.

Technology

Cookie Matching

Syncing user identifiers between platforms.

Cord-Cutting

User that switches from a paid cable television subscription to an Internet television (OTT) service. In other words, part of the market that goes from traditional pay TV models to new OTT platforms.

Business

Cord-Nevers

Users who never paid for a TV subscription, but who do consume OTT video services.

Business

Cost Per Action (CPA)

CPA is the amount spent to drive a specific user action (e.g., a subscription, sign-up, or in-app purchase). It’s commonly used in performance-based advertising models.

Metrics

Cost Per Click (CPC)

CPC is the average amount paid by the advertiser for each user click on their ad. It's a common pricing model in paid search and social media advertising.

Metrics

Cost Per Install (CPI)

CPI measures the cost to acquire a single app install: CPI = Total Spend / Number of Installs. It’s a standard KPI for user acquisition campaigns in the mobile app ecosystem.

Metrics

Cost Per Mille (CPM)

CPM, or cost per thousand impressions, is a metric used to price ad inventory based on 1,000 ad impressions. It’s often used for awareness campaigns focused on visibility rather than clicks or conversions.

Metrics

Cost Per View (CPV)

Name given to the cost per reproduction of an advertising video when a predefined minimum viewing time is reached. There are other billing models for advertising videos such as the cost per full view (CPCV; paid only when the video is seen to the end) and the cost per visible video (CPVV, where it is paid only if the video is visible according to the standard, meaning that the video occupies at least 50% of the number of visible pixels for at least 2 consecutive seconds).

Advertising

CPA (Cost per Action)

Price paid for a specific user action.

Payment Models

CPC (Cost per Click)

Cost paid each time a user clicks an ad.

Payment Models

CPI (Cost per Install)

Price paid for each app installation generated.

Payment Models

CPL (Cost per Lead)

Price paid per qualified lead generated.

Payment Models

CPM

Stands for cost per thousand impressions. The cost that an advertiser must pay for 1000 ads to be served.

Advertising

CPM (Cost Per Mille)

Price paid per 1,000 ad impressions.

CPM (Cost per Mille)

Cost per thousand ad impressions.

Payment Models

CPR (Cost per Registration)

Price paid for each user registration.

Payment Models

CPS (Cost per Sale)

Price paid per completed sale.

Payment Models

Creative Approval

Validation of ad creatives for policy and technical compliance.

Creative Optimization

Improving ad creatives to boost performance.

Main Concepts

Creative Rotation

Swapping ad creatives to avoid fatigue.

Operational and Technical Terms

Cross-Screen Measurement

Monitoring and measurement of video metrics on mobile devices, tablets, digital outdoor advertising, linear television, Smart TV or computers where an attempt is made to identify the net audiences that have been exposed to content or advertising, regardless of the device where it has been consumed.

Advertising

CTR (Click-Through Rate)

The ratio of users who click on an ad to the total number of users who view it.

Key Metrics

CTR (Click-Through Rate)

Ratio of clicks to impressions.

CTV

Connected TV refers to devices that use a television as a screen and connect to the Internet to access audiovisual content.

Business

Customer Acquisition Cost (CAC)

Average cost to acquire a new user via marketing and advertising, calculated as Total Acquisition Spend ÷ New Users Acquired.

KPIs

Daily Active Users (DAU)

DAU measures the number of unique users who engage with the app on a daily basis. It's essential for tracking regular usage.

Metrics

DAI (Dynamic Ad Insertion)

Ability to exchange an ad in a linear television program for an online spot. This solution works on video on demand services.

Advertising

DAU/MAU Ratio

This metric indicates user stickiness or loyalty. A DAU/MAU ratio closer to 1 means users return frequently throughout the month.

Metrics

Deal

A negotiated contract between buyer and seller with fixed or special conditions.

Deal Floor

Minimum price accepted for a deal-based bid.

DEAL ID

Tag that allows to identify an agreement between buyers and sellers in the programmatic ecosystem. For example, buyers can purchase inventory at defined prices on a private exchange that may not be available to other bidders.

Advertising

Deal ID

Identifier for private or preferred deals in RTB.

Device farms

Advertising fraud in which activity is repeatedly generated on a device in order to simulate legitimate use, resulting in an illegitimate advertising demand.

Advertising

Device spoofing

An ad fraud scheme in which a party maliciously impersonates another device. An example would be device emulators making ad requests.

Advertising

Digital television

Transmission of television and audio images by encoding video and audio to digital formats. It mainly uses the MPEG data compression standard. However, depending on the area of application, there are several standards: DVB-T - which is the European standard for digital television. ATSC - The American digital television standard. ISDB: the Japanese standard for digital television. DTMB: the Chinese standard for digital television.

Technology

DMA (Designated Market Area)

Designation of specific geographic markets that are often classified according to population size.

Business

DMP

Stands for Data Management Platform. Centralized data management platform that makes it possible to determine audiences by following a combination of data from various sources (navigation, advertising campaigns, CRM), own and / or third parties. The DMP, along with programmatic buying and selling platforms (DSP and SSP), allows these segments to be inserted into advertising calls in order to segment campaigns.

Advertising

Dolby Digital Plus

Multichannel digital audio storage and transport compression scheme. It is also known as Enhanced AC-3 (DD +, E-AC-3 or EC-3).

Technology

Domain Spoofing

Fraud tactic where scammers impersonate legitimate websites or apps by faking URLs/domains to sell fake ad inventory.

DRM (Digital Rights Management)

Business model and technological platform that allows the protection of intellectual property online and the property of videos or other content. This makes it possible to retain ownership of the content and prevents illegal distribution or access.

Technology

DSP

Stands for Demand Side Platform. Technological system that makes it easier for programmatic digital advertising buyers to carry out automated campaigns on different aggregated traffic sources and segment them with data from different sources. In addition, it favors automatic optimization depending on campaign results.

Advertising

DSP (Demand-Side Platform)

A platform used by advertisers to buy ad inventory.

DSP (Demand-Side Platform)

Platform for buying ad inventory programmatically.

Key Players

DTC (Direct to Consumer)

When the content distributor does not need intermediaries to get their product to the final consumer. For example, Netflix does not require a television channel to show its content; delivered DTC.

Business

eCPM (Effective CPM)

Effective cost per thousand impressions, calculated by dividing total earnings by the number of impressions (in thousands).

Effective CPM (eCPM)

eCPM is a normalized metric that calculates the revenue earned per 1,000 impressions across various pricing models (e.g., CPI, CPC): eCPM = (Total Revenue / Impressions) * 1000. It's useful for comparing performance across campaigns.

Electronic Sell-Through

Online audiovisual content purchase model. Allows users to download and own a copy of the video. It is the model on which TVOD (Transactional Video on Demand) is based on.

Business

Encoding

Process by which data is converted to a particular format to facilitate its transmission and storage.

Technology

EPG

Stands for Electronic Program Guide. Software with an interface where the platform user can access the different available content (linear and on demand) through enriched descriptions.

Technology

Event Tracking

Monitoring specific in-app actions.

Operational and Technical Terms

Exchange

Digital marketplace for real-time bidding on ad impressions.

Key Metrics

Extension field

Extension fields are aditional parameters allowed by implementers and their consumers as long as they utilize a distinct final separator field ";" before adding extension data to each record.

FAST

Free TV broadcast services with advertising, that is, they offer free content that would otherwise normally be paid content.

Business

Field

Identifies different types of parameters (such as the seller's domain name, publisher's account ID, relationship, etc.) included in each data record.

Fingerprinting

Tracking technique that identifies devices without cookies by analyzing characteristics like IP, browser, screen resolution, and more. It can be used ethically or maliciously.

First Price Auction

Programmatic auction in which the winner pays the price offered for the impression in the bid.

Advertising

First Time Deposit (FTD)

First deposit made by a user in an app.

Key Metrics

First-Party Data

Data obtained in digital sites and / or CRM of our property. They are considered of higher quality since the holder has the makeup of how the different audience segments have been created.

Advertising

First-Party Data

Data collected directly from users by the company.

Operational and Technical Terms

First-Price Auction

The highest bid wins and pays the exact amount bid.

Floor Price

Minimum price, set by the publisher, for which the inventory can be sold.

Advertising

Floor Price

Minimum price a publisher accepts for an impression.

Framerate (fps)

Rate of the speed of a frame, that is, the number of images (frames) contained in one second of video. When the human eye sees 10 to 12 consecutive images per second, it perceives the images individually, but when the number of frames is greater, the eye perceives the images as if they were moving. The NTSC system uses a frame rate of 29.97 fps and the PAL system of 25 fps.

Technology

Fraud

Malicious activity to manipulate attribution.

Operational and Technical Terms

Fraud Rate

The percentage of ad interactions (clicks, installs, impressions) that are determined to be fraudulent, such as bot activity, fake installs, or click spamming. High fraud rates can skew performance data and waste budget.

Metrics

Fraud Rate

Percentage of detected fraudulent activity.

Key Metrics

Frequency

Number of times a single user is exposed to a campaign. The frequency of exposure must be balanced to achieve the effect of memory of the message in the audience without saturating it through overexposure.

Advertising

Frequency Capping

Limiting how many times a user sees an ad.

Operational and Technical Terms

Frequency Capping

Restriction on how often a user sees the same ad.

Funnel Analysis

A method for tracking user progression through steps in a conversion path to identify drop-offs.

Measurement Frameworks

FVOD

Stands for Free video on Demand. Type of video on demand in which the subscriber receives unlimited access to videos without additional payment or display of ads.

Business

Global Placement ID (GPID)

A standardized identifier that uniquely represents an ad placement across the supply chain.

HbbTV

Hybrid Broadcast Broadband Television es el estándar para visualizar páginas web CE-HTML (Consumer Electronics HTML) a través de un dispositivo. A menudo, estas páginas contienen información adicional sobre el programa que se está viendo, como marcadores deportivos, un espacio de televisión relacionado o un menú con acceso a otro contenido. El sistema HbbTV permite, igualmente, que la televisión sea interactiva, ya que los espectadores pueden votar en tiempo real por los personajes de un programa o participar en encuestas.

Technology

HD (High Definition)

Stands for High Definition. Refers to any video with a resolution of 720p. However, it is generally identified with videos that are in a resolution of 1080i or 1080p. In such cases, one can speak of Full-HD.

Technology

Header Bidding

System that allows publishers to bypass the traditional cascade auction method, where demand / SSP partners are called in a predetermined order. Instead, Header Bidding enables publishers to organize unified auctions in which all bidding partners compete simultaneously in real time.

Advertising

Header Bidding

Technique allowing multiple demand sources to bid simultaneously before the ad selection.

HEVC

Stands for High Efficiency Video Coding. Video compression format that converts high-quality video files into others with their size reduced by half but maintaining image quality without notable alterations.

Technology

HLS

HLS or HTTP Live Streaming is the most efficient method to broadcast live over the Internet. It divides the feed into smaller packages, which enables efficient delivery.

Technology

HTML5

Standard for configuring and presenting content on the World Wide Web.

Technology

Hybrid Model 

This model is linked to those OTT platforms that support a hybrid system of access to TVoD, SVoD and AVoD content for revenue generation.

Business

Impression

The display of an ad on a user's device.

Impression

Metric used to count the advertising impacts generated in online campaigns that refers to the number of times an advertising piece has been served on the client device.

Advertising

Impression

An impression is counted each time an ad is served and appears on a user’s device screen, regardless of whether the user interacts with it. It is one of the most basic and foundational ad delivery metrics used to measure reach and exposure.

Metrics

Impression Fraud

Falsifying ad impressions, such as displaying ads in hidden or non-viewable placements, to generate illegitimate revenue.

Impressions

The number of times an ad is displayed to users, regardless of whether it is clicked.

Key Metrics

In-Stream video Ad

Ad played before, during or after the transmission of video content that the consumer has requested (pre-roll, mid-roll or post-roll). These ads generally cannot be paused or skipped while viewing.

Advertising

Incent/Reward Traffic

Traffic from incentivizing user actions.

Operational and Technical Terms

Incremental Reach

The additional audience reached by a campaign that wouldn’t have been reached through other media or tactics.

KPIs

Incremental Sales Uplift

Measures additional sales driven by the campaign beyond baseline sales, typically via A/B testing or modeled attribution.

KPIs

Incrementality Test

Measures if a campaign caused a conversion.

Operational and Technical Terms

Install

In mobile advertising, an install refers specifically to when a user downloads and successfully installs an app on their device, often following an ad interaction.

Metrics

Install Fraud

Faking app installations using emulators, bots, or device farms to manipulate attribution and inflate acquisition numbers.

Install Rate (IR)

The percentage of users who clicked on an ad and went on to install the app. It helps advertisers evaluate how compelling their app offering is post-click.

Metrics

Integration

Linking advertiser to tracking/ad sources.

Operational and Technical Terms

Intelligent OTT

OTT service that uses artificial intelligence to follow the consumption of users and, using this knowledge, makes suggestions based on their habits.

Technology

Inventory

Total ad spaces available for sale.

INVENTORYPARTNERDOMAIN

A pointer to the domain of an entity that is explicitly authorized to monetize ads within the application's content. The partner's corresponding ads.txt file will be hosted at this domain.

IPTV

Stands for Internet Protocol Television, a blanket term referring to online audiovisual services.

Services

ITU

The ITU, which stands for the International Telecommunication Union, is a global organization that was established for the purpose of standardizing and regulating international telecommunications and radio. Its powers include the establishment of interconnection agreements between different countries.

Business

KPI

Key Performance Indicator. General term that refers to measures of the success of a company. Among its indicators is the its revenue growth, participation in the market or the growth of its customer base.

Business

Last Click Attribution

This model gives 100% credit to the last ad clicked before a conversion.

Measurement Frameworks

Latency

Time delay between request and ad serving.

Lifetime Value (LTV)

LTV is the projected revenue a user is expected to generate during their entire relationship with the app. It's a key metric for assessing user quality and long-term campaign impact.

KPIs

Linear TV

The linear TV nomenclature refers to traditional television services. That is, the model in which programs are transmitted over the air using systems such as digital terrestrial television or a satellite connection.

Technology

Live Stream

Live streaming video in real time that is distributed over the Internet.

Technology

Lookback Window

Defines how far back a click or impression can be tied to a conversion for attribution purposes.

Measurement Frameworks

Lookback Window

Period analyzed for attribution or prediction.

Operational and Technical Terms

Loss Notice

Notification to bidder when its bid has lost.

Loss Reason Code

Code explaining why a bid lost the auction.

Loyal Users

Users who frequently return to and engage with the app.

Key Metrics

Macro

Dynamic placeholders in ad markup or URLs replaced at runtime.

Malvertising

Malicious advertising that delivers malware via ad networks or compromised ads, often infecting devices upon ad load or click.

Media Buying

The process of purchasing ad inventory across channels to acquire users.

Main Concepts

Metadata

Content metadata refers to various properties (information) of a content, such as title, description, story, cast, promo image, trailer, etc.

Technology

Middleware

Middleware used to manage IPTV components. The operator requires middleware to control certain actions of the subscribers such as access to content, billing, allocation of service packages, etc.

Technology

Midroll

An advertisement in online video format that is played during a pause of the content, also in video format, being played.

Advertising

Mobile

Service through which the user accesses content through their smartphone or tablet. For this, it is necessary that the mobile device supports the functions required on the Internet. These services are normally distributed through applications developed for each of the existing mobile operating systems.

Devices

Mobile App

Stands for mobile application. Downloadable program designed for smartphones and / or tablets.

Services

Mobile App Promotion (MAP)

Marketing campaigns to promote mobile applications and increase downloads.

Main Concepts

Monetization

The process of generating revenue from an app, often through ads, in-app purchases, or subscriptions.

Main Concepts

Monthly Active Users (MAU)

MAU is the number of unique users interacting with the app over a 30-day period. It's a standard metric for user base size and growth.

Metrics

MPEG

Stands for Moving Picture Experts Group. Group of specialists created by the international organization ISO to formulate standards in the compression and transmission of digital audio and video information.

Technology

MPEG-DASH

Flexible bit rate transmission technique that enables the transfer of high quality multimedia content over the Internet.

Technology

MRR

MRR or Monthly Recurring Revenue is the metric that measures recurring monthly income.

Business

Multi-Touch Attribution (MTA)

A model that assigns value across multiple user touchpoints before conversion to assess each channel's impact.

Measurement Frameworks

Multiscreen

OTT operator service where the user can view digital content on one or more connected devices posses the installed software.

Advertising

MVPD

Multichannel Video Programming Distributor. A service that provides users with a variety of television channels, such as cable or satellite television.

Services

No-Bid Reason Code

Code indicating why a DSP did not bid.

OBS

Stands for Open Broadcast Software, a free, open source program that allows creators to record and stream videos. Created by the OBS Project.

Technology

Offerwall

Ad format where users complete offers for rewards.

Operational and Technical Terms

Online video Business

online service that generates revenue selling access to its videos.

Business

Online vídeo Platform

Platform that allows users to upload videos with the added possibility of generating revenue.

Services

Online vídeo Subscription Business

Online video company that charges users a recurring fee for accessing its content. Also known as SVOD

Business

Open Auction

Open auction where a publisher facilitates access to his inventory to all bidders connected through the SSP. The highest bidder wins the impression.

Advertising

Open Source

Free program or set of code for public use, and modification by developers.

Technology

oRTB

Open standard protocol for RTB communication between DSPs and SSPs.

OTT (Over-the-Top)

Stands for "Over-the-Top". Refers to any traditional communication service that is transmitted over the Internet, as opposed to services with traditional video transmission cable or satellite.

Technology

OTT App

Application that enables users to consume videos online. Normally, these types of applications are available for different devices such as televisions, tablets, mobile phones, game consoles, etc.

Services

OTT Content

Stands for "Over the Top Content" which refers to video content that is transmitted over the Internet. This is in contrast to traditional cable or satellite video transmission.

OTT Infrastructure

Physical and organizational elements necessary to operate an OTT service, such as internet connectivity, devices, screens, etc.

Technology

OTT Platform

Online service that allows users to access videos through applications or browsers on different types of devices connected to the Internet.

Services

OTT Streaming

Video consumption over the Internet.

Services

OTT Streaming Service

Company that provides access to videos that can be consumed online.

Services

OWNERDOMAIN

Specifies the business domain of the business entity that owns the domain/site/app (e.g., example.com owns example1.com, example2.com, etc.)

Paid vs. Organic Cannibalization

The overlap between paid and organic installs.

Key Metrics

Patreon

A fundraising platform that allows content creators (including video creators) to share content with an exclusive group of subscribers.

Services

Pay-Per-View

Video on demand service where users pay for the consumption of each video. Also known as TVOD

Business

Pay-TV

Paid subscription television service .

Business

Pending Notice

Indicates a bid won under OpenRTB but may not be final in non-compliant setups.

Pending Notice

Indicates a bid won under OpenRTB but may not be final in non-compliant setups.

Performance DSP

DSP optimized for measurable outcomes like installs or ROAS.

Key Players

Performance Marketing

Marketing strategy focused on measurable results such as installs, clicks, or purchases.

Main Concepts

Phishing

A form of cyber-attack that tricks users into revealing sensitive personal or financial information by pretending to be a trusted source.

PiP

Stands for Picture in Picture. Technology for displaying two video images on a TV screen simultaneously. The main video image is displayed in full screen and the secondary video image in a smaller window.

Technology

Pixel

Tracking code embedded to measure user actions or conversions.

Pixel Stuffing

Placing ads inside tiny (often 1x1 pixel) invisible elements to fraudulently count impressions that were never seen.

Place Shifting

Technology that enables any viewer with a broadband Internet connection to view television channels from their home television to the screen of any other device.

Technology

Playback device

Electronic device that connects to the Internet using existing communication standards and technologies: wired (DSL, broadband, etc.) and wireless (Wi-Fi, 3G, 4G, LTE, etc.).

Playback devices:
• Set-Top Box.
• PC.
• Smart TV.
• Smartphone.
• Tablet.

Devices

Playstation 

Game console manufactured by Sony capable of downloading OTT applications and streaming videos.

Devices

Podcast

Series of episodes made up of digital audio or video files that can be downloaded by a user for consumption.

Services

Podding / Ad Podding

With the release of VAST 3.0, the concept of "ad groups" is introduced. This set must meet a series of specifications to be delivered sequentially. Podding is becoming increasingly important to publishers and media owners by providing a high-quality user experience on long-form video content. Podding offers publishers the ability to schedule multiple ads from a single request. These commercials will play sequentially, similar to a commercial break on linear television.

Advertising

Post-Install Event (PIE)

An action taken by a user after installing an app, such as registration, subscription, or purchase.

Measurement Frameworks

Post-Install Events

Actions after an app is installed.

Operational and Technical Terms

Postroll

Online video ad that plays immediately after finishing the video content being viewed.

Advertising

PPV Bundle

Monetization feature on an OTT platform that allows you to select and watch a package of popular movies or series of a similar genre.

Business

Pre-Bid Targeting

Data processing that allows advertisers to segment visible, fraud-proof, brand-safe, or context-relevant inventory and bid only for inventory that meets predefined requirements.

Advertising

Preferred Deal/Unreserved Fixed Rate

Offer variant in the private market where a publisher or SSP offers inventory at a predefined price.

Advertising

Preroll

Online video ad that plays before user-chosen video content is displayed.

Advertising

Private Auction

Offer variant in the private market where the publisher selects a series of specific advertisers to participate in the bidding of their inventory, access being restricted to others.

Advertising

Private Marketplace (PMP)

Invitation-only auction with selected buyers and sellers.

Private Marketplace (PMP)

Higher value ad groups grouped by publisher or SSP and not available in an open auction. Only selected advertisers can bid on these placements.

Advertising

Programmatic Advertising

Automated buying and placement of ads via software platforms.

Main Concepts

Programmatic Advertising

System that automates the purchase of online advertising campaigns.

Advertising

Programmatic Direct

Programmatic deal with fixed pricing and guaranteed impressions.

Programmatic Direct

A transaction between a publisher and an advertiser that takes place through a programmatic ad buying system. The inventory is sold and guaranteed directly.

Advertising

Proxy Traffic

Traffic routed through anonymous or masked IPs (proxies or VPNs), often used to hide the true source of bot or fraudulent activity.

Publisher

Entity showing ads in their app or site.

Payment Models

Publisher account ID

The identifier associated with the seller or reseller account within the advertising system in field #1. This must contain the same value used in transactions (i.e. OpenRTB bid requests) in the field specified by the SSP/exchange. Typically, in OpenRTB, this is publisher.id. For OpenDirect it is typically the publisher’s organization ID.

Purchase

Transaction made in the app.

Operational and Technical Terms

QPS (Queries Per Second)

Number of bid requests received per second.

RAF (Roku Ad Framework)

Advertising on Roku video platforms.

Advertising

Re-Attribution

Crediting a campaign for reactivating a user.

Operational and Technical Terms

Re-Engagement

Bringing inactive users back.

Operational and Technical Terms

Real Time Bidding (RTB)

Real-time offer consisting of an offer request and a response to it. The offer request is triggered when a user visits a page. The request data (user location, browser history, website, device) is offered for sale through an SSP and an Ad Exchange. A DSP connected to this Ad Exchange responds to this offer with price and creative data (response to offer). The highest bid for the placement wins and the ad is served. All of this happens automatically and in milliseconds.

Advertising

Real-Time Bidding (RTB)

Automated auction process to buy/sell ad inventory in real time.

Real-Time Bidding (RTB)

Auction-based buying and selling of ad impressions in real time.

Operational and Technical Terms

Records

The records enable publishers to designate which sellers are authorized to sell their digital advertising inventory. These records consist of a series of lines that outline fields in the following format: FIELD #1, FIELD #2, FIELD #3, FIELD #4. For instance, a sample line might look like this: placeholder.example.com, placeholder, DIRECT, placeholder.

Registration

User creates an account or provides info.

Operational and Technical Terms

Relationship type

An enumeration of the type of account. A value of ‘DIRECT’ indicates that the Publisher (content owner) directly controls the account indicated in field #2 on the system in field #1. This tends to mean a direct business contract between the Publisher and the advertising system. A value of ‘RESELLER’ indicates that the Publisher has authorized another entity to control the account indicated in field #2 and resell their ad space via the system in field #1. Other types may be added in the future. Note that this field should be treated as case insensitive when interpreting the data.

Retargeting

Targeting past app users who didn’t convert.

Operational and Technical Terms

Retention Rate

Retention rate measures the percentage of users who return to the app after a certain time (e.g., Day 1, Day 7, Day 30). It’s a key metric for user engagement and product stickiness.

KPIs

Retention Rate (RR)

Percentage of users who continue using the app after a given period.

Key Metrics

Return on Ad Spend (ROAS)

ROAS measures the revenue earned for every dollar spent on advertising: ROAS = Revenue / Ad Spend. A ROAS > 1.0 indicates a positive return. It’s crucial for understanding campaign profitability.

KPIs

ROI

Return of investment. Shows the level of profitability or non-profitability of a campaign in relation to the investment made.

Advertising

ROI (Return on Investment)

A performance metric used to evaluate the efficiency or profitability of an investment, calculated as net profit divided by cost.

Main Concepts

Roku

OTT video streaming company that creates streaming devices and Smart TVs.

Devices

RTMP

Stands for Real Time Messaging Protocol. System developed for the high performance transmission of audio, video and data over the Internet between Flash-based platform technologies, such as Flash Player and Adobe AIR, and the server.
Example: A live broadcast can be transferred to the RTMP server and, via CDN and a compatible online video player, the broadcast is played back on user devices.

Technology

Scamming

General term for deceptive practices that seek to trick users or advertisers, such as fake giveaways, fraudulent offers, or misleading ads.

Schain (Supply Chain)

Describes the supply path with all involved intermediaries.

SDK

SDK stands for Software Development Kit comes: Group of tools with which to create applications for a platform or language-specific coding.

Technology

SDK (Software Development Kit)

Tools to integrate analytics or ads in apps.

Operational and Technical Terms

SDK Spoofing

Faking signals from a mobile app’s SDK to simulate legitimate in-app events like installs or purchases, misleading attribution systems.

Second Price Auction

Bidding model where the winner of the tender for ad impression pays one cent more than the second highest bidder.

Advertising

Second-Party Data

Company-specific data that is purchased directly or through the synchronization of two DMPs.

Advertising

Second-Price Auction

Winning bidder pays slightly more than the second-highest bid.

Seller domain name

The canonical domain name of the SSP, Exchange, Header Wrapper, etc system that bidders connect to. This may be the operational domain of the system, if that is different than the parent corporate domain, to facilitate WHOIS and reverse IP lookups to establish clear ownership of the delegate system. Ideally the SSP or Exchange publishes a document detailing what domain name to use.

Session Duration

Time spent within an in-app branded experience. Complements session length and reflects depth of engagement.

Metrics

Session Frequency

How often a user returns to the app in a given time frame. High frequency suggests strong engagement and app stickiness.

Metrics

Session Length

This measures how much time a user spends in the app during a single session. Longer session lengths often indicate deeper engagement.

Metrics

Sessions

Number of times an app is opened.

Key Metrics

Set-Top Box

Physical device that connects to a TV screen and allows users to watch OTT videos on their TV.

Devices

Skips / Skip Rate

For skippable ads, this indicates how often users skip. High skip rates can reflect low ad relevance.

Metrics

Smart TV

TV equipped with Internet connectivity, offering users access to OTT applications and video content without additional equipment

Devices

Smart TV Platform

Software that enables the operation of a Smart TV, such as Roku, iOS, Android TV and Fire TV.

Technology

Social Media Metrics

Includes shares, comments, mentions, and sentiment around a campaign. Particularly relevant for cross-channel or influencer campaigns.

Metrics

Source Object

Data about inventory origin, authentication, and chain of custody.

SSAI

Server-side ad insertion, also known as "dynamic ad insertion." Method that makes it possible to insert advertisements into a video stream automatically from an external server.

Advertising

SSAI Infiltration

Ad fraud scheme in which a malicious party forges IP addresses to impersonate real users, thereby attracting the expenditure of server-based ad placements.

Advertising

SSP

Stands for Platform for the supply-side or Platform for the sell side. Technological platforms that allow OTT providers to manage their inventory of advertising space, incorporate advertisements and receive revenue.

Advertising

SSP (Supply-Side Platform)

A platform used by publishers to sell ad inventory

SSP (Supply-Side Platform)

Platform for publishers to sell ad inventory programmatically.

Key Players

Streaming / Streaming On Demand

Type of audiovisual consumption in which users can immediately view content through the Internet, without previously downloading it.

Technology

SUBDOMAIN

A machine readable subdomain pointer to a subdomain within the root domain, on which an ads.txt can be found. The crawler should fetch and consume associate the data to the subdomain, not the current domain. This referral should be exempt from the public suffix truncation process. Only root domains should refer crawlers to subdomains. Subdomains should not refer to other subdomains.

Subscription

User opts into recurring payments.

Operational and Technical Terms

Subscription Business Model

Business model based on subscription payments. Generally, the user pays a fee to access the content on a monthly basis.

Business

Subtitles

Transcription of the dialogue of a video that is played simultaneously with it.

Technology

Supply Path Optimization

Strategy to reduce intermediaries and improve efficiency in ad delivery.

Suppression List

Users/IDs excluded from targeting.

Operational and Technical Terms

SVOD

Stands for Subscription Video on Demand. Video on demand service in which a prior subscription is required to access the desired content.

Business

Teaser

Brief fragment of an audiovisual product designed to awaken in users the need to see more or buy.

Business

Tech Tax

Term used to define the costs applied for the use of technological solutions of the programmatic ecosystem. Among these fees are those applied for using SSP, Ad Exchange, DSP, DMP and the agencies' trading desks.

Advertising

Test Mode

Indicates that the auction is a test and not billable.

Third-Party Data

Aggregated data from platforms and data providers used to enrich programmatic campaigns.

Advertising

Third-Party Data

Data collected by an entity without direct user relationship.

Operational and Technical Terms

Threat Intelligence

Collecting and analyzing data about threats (like botnets or new fraud schemes) to proactively protect advertising systems and campaigns.

Time Shifting

Function of a video-on-demand service that allows the user to suspend viewing, pause or schedule playback for a specific moment.

Technology

Trailer

Short fragment of audiovisual content intended to promote it and thus attract users to see more or buy the advertised product or service.

Business

Transcoding 

It is the process of adapting encoded digital files from one format to another in order to be able to reproduce their content on different devices.

Technology

TV App

Downloadable program from an application store, specially designed for viewing on smart televisions (Smart TV).

Services

TVOD

Stands for Transaction video on Demand. Video on demand service where users pay for the consumption of each video.

Business

tvOS

Apple's native operating system for its Apple TV product line.

Technology

Two-Factor Authentication (2FA)

A security method requiring two types of credentials (e.g., password + mobile code) to reduce the risk of unauthorized access.

Uninstall Rate

Percentage of users who uninstall the app.

Key Metrics

Unique Reach

The number of unique users (or devices/households) exposed to an ad at least once. Useful for understanding total unduplicated audience.

Metrics

User

Anonymous or registered subscriber who accesses the content through a browser or software program by assigning a personal identifier that is registered in the operator's internal statistics system.

Advertising

User Acquisition (UA)

Process of gaining new users for an app or platform.

Main Concepts

User Journey

The full experience a user has with an app or service, from first contact through engagement and conversion.

Main Concepts

User Quality

A measurement of how valuable or engaged an acquired user is over time.

Key Metrics

User Sync

Mechanism to align user IDs between platforms.

UTM Parameters

Tags in URLs for tracking campaigns.

Operational and Technical Terms

VAST

Universal XML script that allows ad servers to communicate relevant information to video players about the behavior of these ads on IPTV platforms. Among the information provided, you will find which ad should be reproduced, the format in which it is presented, for how long it is reproduced and if users have the option to skip it.

Advertising

Video Duration Metrics

Measures how much of a video ad was watched (e.g., quartile completion, full views, duration rate). Key for video campaign evaluation.

Metrics

Video Hosting

Web service that allows users to upload, view and share videos from their servers.

Technology

Video Monetization

The action of generating income from video content, whether through advertising marketing, subscription fees, paywalls or hybrid models.

Business

Video Subscription Service Platform

Service that allows the creation of a subscription video business.

Technology

View-Through Attribution

Credit for conversion after viewing an ad.

Operational and Technical Terms

Viewability

A metric that measures the number of impressions that were actually viewable or the percentage of a video ad that was watched.

Viewability

Metric that determines whether an ad was actually visible on screen (e.g., at least 50% of the ad for 1 second). Low visibility can be an indication of fraud.

vMVPD

Stands for Virtual Multichannel Video Programming Distributor. Service that offers users a variety of television channels over the Internet.

Services

VOD

Stands for Video on Demand. System where users choose what programming to watch at any time. It differs from linear programming that traditional television carries.

Business

Voice Assistant

Application that allows verbal interaction in the user's native language. It can be used for setting alarms, calendar appointment reminders, controlling lights, music and other smart home devices, and of course making phone calls.

Devices

VPAID

Script that tells a video player which ad to play, the duration of the ad, when to show it, and where to place the play, pause, etc. actions.

Advertising

VTR

Stands for View-Through Rate, i.e. the percentage of people who see a complete video or beyond a previously determined point. It is a metric that determines performance in digital video advertising campaigns.

Advertising

VTT

Stands for Video Text Tracks. Subtitling method that synchronizes video speed with text speed using timestamps. See also: Closed captions and subtitles

Technology

Watch Time

Period of time that the content is consumed by a user.

Business

Win Rate

The percentage of submitted bids that result in an ad impression: Win Rate = (Won Bids / Submitted Bids) * 100. Low win rates might suggest competitive markets or underbidding.

Metrics

Win Rate

Ratio of won bids to total bid requests.

Xbox

Internet-connected game console created by Microsoft that is capable of downloading OTT applications and streaming videos.

Devices

XVID

MPEG-4 Part 2 video compression library based on the open source code of another codec: DivX.

Technology

Glossaries

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