OpenAdLibraryOpenAdLibrary
The OpenAdLibrary Team
Author

The OpenAdLibrary Team

Ad intelligence & native advertising research

We build OpenAdLibrary, the open ad-transparency platform. Every day our systems capture live native ads across Taboola, Outbrain, MGID, Revcontent, Teads, Yahoo and MSN, identify the real advertiser behind each one, and follow the click to its landing page. These guides distill what we see in that data so you can research the market faster.

Articles by The OpenAdLibrary Team

How to Analyze a Competitor's Full Ad Funnel
Ad Creative & Funnels

How to Analyze a Competitor's Full Ad Funnel

Studying a competitor's ads one at a time tells you almost nothing; cluster them by the landing page each one points at and the whole offer strategy, the winners they keep alive and the tests they quietly kill, reads straight off the page.

Guide · 10 min read
Spy Tool (Ad Spy)
Ad-Tech Glossary

Spy Tool (Ad Spy)

In advertising, a spy tool, or ad spy, is software that captures competitors' live ads and landing pages so marketers can research winning creatives and offers.

Definition · 1 min read
Ad Spy Tool
Ad-Tech Glossary

Ad Spy Tool

An ad spy tool captures and archives competitors' live ads across networks so you can study their creatives, offers, and landing pages in one searchable database.

Definition · 1 min read
Ad Intelligence
Ad-Tech Glossary

Ad Intelligence

Ad intelligence is the collection and analysis of competitors' live ads, creatives, and landing pages to inform creative and media-buying decisions.

Definition · 1 min read
Ad Transparency
Ad-Tech Glossary

Ad Transparency

Ad transparency is the practice of making the ads an advertiser runs, and who is behind them, publicly visible through searchable libraries and disclosures.

Definition · 1 min read
Google Ads Transparency Center
Ad-Tech Glossary

Google Ads Transparency Center

The Google Ads Transparency Center is Google's free public tool for viewing ads any verified advertiser has run across Search, Display, YouTube, and Gmail.

Definition · 1 min read
Meta Ad Library
Ad-Tech Glossary

Meta Ad Library

The Meta Ad Library is Facebook and Instagram's free public database of currently running ads, searchable by advertiser, keyword, and country.

Definition · 1 min read
Ad Library
Ad-Tech Glossary

Ad Library

An ad library is a searchable, public database of ads that have run on a platform or network, showing the creative, advertiser, and run details.

Definition · 1 min read
Ad Spend
Ad-Tech Glossary

Ad Spend

Ad spend is the total amount of money an advertiser pays to run its ads across channels over a given period.

Definition · 1 min read
Scaling (Media Buying)
Ad-Tech Glossary

Scaling (Media Buying)

Scaling in media buying means increasing spend on a proven-profitable campaign while keeping its cost-per-result and margins intact.

Definition · 1 min read
Media Buyer
Ad-Tech Glossary

Media Buyer

A media buyer is the person who plans, launches, and optimizes paid ad campaigns to hit performance targets at the lowest possible cost.

Definition · 1 min read
Media Buying
Ad-Tech Glossary

Media Buying

Media buying is the process of purchasing ad placements across networks and platforms to reach a target audience at the lowest effective cost.

Definition · 1 min read
Affiliate Marketing
Ad-Tech Glossary

Affiliate Marketing

Affiliate marketing is a performance model where partners earn a commission for each sale or lead they drive to an advertiser's offer.

Definition · 1 min read
Affiliate Network
Ad-Tech Glossary

Affiliate Network

An affiliate network is a marketplace that connects advertisers and affiliates, hosting offers, tracking conversions, and handling payouts.

Definition · 1 min read
Affiliate Offer
Ad-Tech Glossary

Affiliate Offer

An affiliate offer is a product or service an advertiser pays affiliates to promote, with a set payout per defined action, geo, and terms.

Definition · 1 min read
Sweepstakes Offer
Ad-Tech Glossary

Sweepstakes Offer

A sweepstakes offer pays an affiliate when a user enters a prize giveaway, usually by submitting contact details or completing a short form.

Definition · 1 min read
Nutra (Nutraceuticals)
Ad-Tech Glossary

Nutra (Nutraceuticals)

Nutra is the affiliate vertical covering nutraceuticals: supplements, weight-loss, beauty, and health products sold via direct-response ads.

Definition · 1 min read
Traffic Source
Ad-Tech Glossary

Traffic Source

A traffic source is the ad platform a media buyer buys clicks or impressions from to send visitors to an offer or landing page.

Definition · 1 min read
Ad Arbitrage
Ad-Tech Glossary

Ad Arbitrage

Ad arbitrage is buying traffic through paid ads and monetizing it with higher-paying ads, profiting on the gap between acquisition cost and ad revenue.

Definition · 1 min read
Traffic Arbitrage
Ad-Tech Glossary

Traffic Arbitrage

Traffic arbitrage is buying web traffic cheaply and monetizing it for more than you paid, profiting on the spread between acquisition cost and revenue.

Definition · 1 min read
Copycat Landing Page
Ad-Tech Glossary

Copycat Landing Page

A copycat landing page mimics a legitimate brand's website to capture conversions, payments, or data by impersonating a trusted company.

Definition · 1 min read
Ad Cloaking
Ad-Tech Glossary

Ad Cloaking

Ad cloaking is a deceptive technique that shows ad reviewers a compliant page while serving real users a different, often non-compliant destination.

Definition · 1 min read
Brand Safety
Ad-Tech Glossary

Brand Safety

Brand safety is the set of measures advertisers use to keep their ads from appearing next to harmful, offensive, or off-brand content.

Definition · 1 min read
First-Party Data
Ad-Tech Glossary

First-Party Data

First-party data is information a business collects directly from its own customers and audience, such as purchases, site behavior, sign-ups, and email lists.

Definition · 1 min read
Contextual Targeting
Ad-Tech Glossary

Contextual Targeting

Contextual targeting places ads based on the content of the page being viewed, matching ads to page topics and keywords rather than to user identity.

Definition · 1 min read
GEO (Affiliate Targeting)
Ad-Tech Glossary

GEO (Affiliate Targeting)

In affiliate marketing, a GEO is the target country or region a campaign or offer is run in, the core variable for matching offers, payouts, and traffic.

Definition · 1 min read
Geo Targeting
Ad-Tech Glossary

Geo Targeting

Geo targeting restricts ad delivery to users in specific geographic locations, from whole countries down to cities, postal codes, or radius zones.

Definition · 1 min read
Dynamic Product Ads (DPA)
Ad-Tech Glossary

Dynamic Product Ads (DPA)

Dynamic Product Ads (DPA) auto-generate ad creatives from a product catalog feed, matching each user to the specific items most relevant to them.

Definition · 1 min read
Native Ad Spec
Ad-Tech Glossary

Native Ad Spec

A native ad spec is the set of format rules a native network requires for creatives, covering image size, headline length, file size, and asset types.

Definition · 1 min read
Carousel Ad
Ad-Tech Glossary

Carousel Ad

A carousel ad is a single ad unit containing multiple swipeable cards, each with its own image, headline, and destination link.

Definition · 1 min read
Motion Ad
Ad-Tech Glossary

Motion Ad

A motion ad is a native ad creative that uses short looping video or animation instead of a static image to stand out in feeds and recommendation widgets.

Definition · 1 min read
Outstream Video
Ad-Tech Glossary

Outstream Video

Outstream video is a video ad that plays within article text or feeds rather than inside a video player, appearing as the user scrolls it into view.

Definition · 1 min read
Display Advertising
Ad-Tech Glossary

Display Advertising

Display advertising is visual banner, image, and rich-media ads placed on websites and apps, typically sold by standard sizes and bought programmatically.

Definition · 1 min read
Ad Supply Chain
Ad-Tech Glossary

Ad Supply Chain

The ad supply chain is the chain of intermediaries an ad passes through between the advertiser who pays and the publisher page where it appears.

Definition · 1 min read
SupplyChain Object (schain)
Ad-Tech Glossary

SupplyChain Object (schain)

The SupplyChain Object (schain) is an OpenRTB field that lists, in order, every intermediary an impression passed through before reaching the buyer.

Definition · 1 min read
sellers.json
Ad-Tech Glossary

sellers.json

sellers.json is a public file that exchanges and SSPs publish to reveal the sellers and intermediaries authorized to sell inventory through them.

Definition · 1 min read
ads.txt
Ad-Tech Glossary

ads.txt

ads.txt is a public file publishers host to declare exactly which companies are authorized to sell their ad inventory.

Definition · 1 min read
Click Fraud
Ad-Tech Glossary

Click Fraud

Click fraud is the deliberate generation of fake or invalid ad clicks, by bots or humans, to drain budgets or earn illegitimate payouts.

Definition · 1 min read
Attribution Window
Ad-Tech Glossary

Attribution Window

An attribution window is the set time period after an ad click or view during which a conversion is credited back to that ad.

Definition · 1 min read
Click-Trace
Ad-Tech Glossary

Click-Trace

Click-trace follows an ad's click through every redirect to its final landing page, revealing the real advertiser and offer behind it.

Definition · 1 min read
Redirect Chain
Ad-Tech Glossary

Redirect Chain

A redirect chain is the series of intermediate URLs a click passes through before reaching the final landing page.

Definition · 1 min read
Click Tracking Domain
Ad-Tech Glossary

Click Tracking Domain

A click tracking domain is the dedicated domain a tracker uses to log and redirect ad clicks before the user reaches the landing page.

Definition · 1 min read
Click Tracking
Ad-Tech Glossary

Click Tracking

Click tracking records every click on an ad by routing it through a tracking server before the user reaches the landing page.

Definition · 1 min read
Click ID
Ad-Tech Glossary

Click ID

A click ID is a unique identifier assigned to each ad click so a later conversion can be matched back to the exact click that caused it.

Definition · 1 min read
Postback URL
Ad-Tech Glossary

Postback URL

A postback URL is a server-to-server callback that reports a conversion back to the ad network or tracker without using a browser pixel.

Definition · 1 min read
Conversion Tracking
Ad-Tech Glossary

Conversion Tracking

Conversion tracking records when an ad click leads to a sale, lead, or signup, and ties that result back to the ad that drove it.

Definition · 1 min read
Conversion Pixel
Ad-Tech Glossary

Conversion Pixel

A conversion pixel is a tracking snippet placed on a goal page that fires when a user completes a valued action, attributing it back to the ad that drove it.

Definition · 1 min read
Tracking Pixel
Ad-Tech Glossary

Tracking Pixel

A tracking pixel is a tiny, often invisible image or code snippet that fires when a page loads, recording user activity for measurement and attribution.

Definition · 1 min read
Publisher / Site ID
Ad-Tech Glossary

Publisher / Site ID

A publisher or site ID is the unique code an ad network assigns to each website or property in its supply, used to track and target inventory by source.

Definition · 1 min read
Ad Placement
Ad-Tech Glossary

Ad Placement

An ad placement is the specific location or slot on a publisher's page or app where an ad is displayed to a user.

Definition · 1 min read
Advertiser ID
Ad-Tech Glossary

Advertiser ID

An advertiser ID is the unique identifier an ad network assigns to each advertiser account, tying every campaign and creative back to one entity.

Definition · 1 min read
Advertiser
Ad-Tech Glossary

Advertiser

An advertiser is the brand, business, or marketer that pays to place ads in front of an audience to drive awareness, clicks, leads, or sales.

Definition · 1 min read
Publisher
Ad-Tech Glossary

Publisher

In advertising, a publisher is the owner of a website, app, or media property that sells ad space to advertisers to monetize its audience.

Definition · 1 min read
MSN Native Ads
Ad-Tech Glossary

MSN Native Ads

MSN native ads are sponsored image-and-headline units shown in Microsoft's MSN content feed, much of it sold as resold demand through partner platforms.

Definition · 1 min read
Yahoo Gemini / Yahoo Native
Ad-Tech Glossary

Yahoo Gemini / Yahoo Native

Yahoo Gemini was Yahoo's native and search ad marketplace, now folded into Yahoo Native and the Yahoo DSP for buying native inventory at scale.

Definition · 1 min read
MediaGo
Ad-Tech Glossary

MediaGo

MediaGo is Baidu's native advertising platform that connects advertisers to MSN and other premium open-web supply outside China.

Definition · 1 min read
Teads
Ad-Tech Glossary

Teads

Teads is a global media platform best known for pioneering outstream video ads that play inside the editorial content of premium publishers.

Definition · 1 min read
Revcontent
Ad-Tech Glossary

Revcontent

Revcontent is a native advertising network that serves content-recommendation widgets on publisher sites, known for its selective, higher-quality supply.

Definition · 1 min read
MGID
Ad-Tech Glossary

MGID

MGID is a global native advertising network that distributes content-recommendation ads across thousands of mid-tier publisher sites worldwide.

Definition · 1 min read
Outbrain
Ad-Tech Glossary

Outbrain

Outbrain is a major native advertising network that serves content-recommendation ads across premium publisher sites, often as "recommended" link widgets.

Definition · 1 min read
Taboola
Ad-Tech Glossary

Taboola

Taboola is a leading native advertising network that serves content-recommendation widgets across thousands of publisher sites worldwide.

Definition · 1 min read
Native Ad Network
Ad-Tech Glossary

Native Ad Network

A native ad network connects advertisers to native, content-style ad placements across a large pool of publisher sites, usually as recommendation widgets.

Definition · 1 min read
Ad Network
Ad-Tech Glossary

Ad Network

An ad network is an intermediary that aggregates unsold ad inventory from many publishers and packages it for sale to advertisers.

Definition · 1 min read
Native Ad Auction
Ad-Tech Glossary

Native Ad Auction

A native ad auction is the real-time process a native ad network runs to pick which ad fills a recommendation slot and what the advertiser pays.

Definition · 1 min read
Ad Tag
Ad-Tech Glossary

Ad Tag

An ad tag is a snippet of HTML or JavaScript code on a web page that requests an ad from an ad server and renders it in a specific slot.

Definition · 1 min read
Ad Server
Ad-Tech Glossary

Ad Server

An ad server is technology that stores, selects, delivers, and measures ads, deciding which creative to show each impression and tracking the outcome.

Definition · 1 min read
Private Marketplace (PMP)
Ad-Tech Glossary

Private Marketplace (PMP)

A private marketplace (PMP) is an invite-only programmatic auction where publishers offer premium inventory to selected buyers via deal IDs.

Definition · 1 min read
Programmatic Direct
Ad-Tech Glossary

Programmatic Direct

Programmatic direct buys reserved ad inventory at a fixed, pre-negotiated price through automated workflows rather than an open auction.

Definition · 1 min read
Programmatic Advertising
Ad-Tech Glossary

Programmatic Advertising

Programmatic advertising is the automated buying and selling of digital ad inventory through software, usually settled in real-time auctions.

Definition · 1 min read
Header Bidding
Ad-Tech Glossary

Header Bidding

Header Bidding lets publishers offer inventory to multiple exchanges at once before the ad server call, increasing competition and yield.

Definition · 1 min read
OpenRTB
Ad-Tech Glossary

OpenRTB

OpenRTB is the open IAB protocol that standardizes the structure of bid requests and responses in real-time bidding auctions.

Definition · 1 min read
Real-Time Bidding (RTB)
Ad-Tech Glossary

Real-Time Bidding (RTB)

Real-Time Bidding (RTB) is the per-impression auction in which advertisers bid on a single ad impression in milliseconds as a page loads.

Definition · 1 min read
Ad Exchange
Ad-Tech Glossary

Ad Exchange

An Ad Exchange is a digital marketplace that matches publisher inventory with advertiser demand through real-time auctions.

Definition · 1 min read
Supply-Side Platform (SSP)
Ad-Tech Glossary

Supply-Side Platform (SSP)

A Supply-Side Platform (SSP) is software publishers use to sell ad inventory programmatically and maximize yield across exchanges and buyers.

Definition · 1 min read
Impression Share
Ad-Tech Glossary

Impression Share

Impression share is the percentage of eligible ad impressions your ads actually won out of the total available for your targeting and budget.

Definition · 1 min read
Viewability
Ad-Tech Glossary

Viewability

Viewability measures whether a served ad was actually in view, based on how much of it entered the screen and for how long.

Definition · 1 min read
Ad Impression
Ad-Tech Glossary

Ad Impression

An ad impression is a single instance of an ad being served and rendered on a page or app where a user could see it.

Definition · 1 min read
Conversion
Ad-Tech Glossary

Conversion

A conversion is any valuable action a user completes after seeing or clicking an ad, such as a purchase, signup, lead, or app install.

Definition · 1 min read
Conversion Rate (CVR)
Ad-Tech Glossary

Conversion Rate (CVR)

Conversion rate (CVR) is the percentage of clicks or visitors that complete a desired action, such as a purchase, signup, or lead.

Definition · 1 min read
CTR (Click-Through Rate)
Ad-Tech Glossary

CTR (Click-Through Rate)

CTR (click-through rate) is the percentage of ad impressions that result in a click, calculated as clicks divided by impressions times 100.

Definition · 1 min read
RPM (Revenue Per Mille)
Ad-Tech Glossary

RPM (Revenue Per Mille)

RPM (revenue per mille) is the revenue a publisher earns per one thousand ad impressions or page views, the monetization mirror of CPM.

Definition · 1 min read
EPC (Earnings Per Click)
Ad-Tech Glossary

EPC (Earnings Per Click)

EPC (earnings per click) is the average revenue an affiliate or media buyer earns for each click sent to an offer, calculated as earnings divided by clicks.

Definition · 1 min read
CPL (Cost Per Lead)
Ad-Tech Glossary

CPL (Cost Per Lead)

CPL (cost per lead) is the average advertising cost to capture one lead, such as a form fill, email signup, or quote request.

Definition · 1 min read
CPM (Cost Per Mille)
Ad-Tech Glossary

CPM (Cost Per Mille)

CPM (cost per mille) is the price an advertiser pays per one thousand ad impressions, regardless of whether anyone clicks.

Definition · 1 min read
CPC (Cost Per Click)
Ad-Tech Glossary

CPC (Cost Per Click)

CPC (cost per click) is the amount an advertiser pays each time a user clicks their ad, calculated as total spend divided by total clicks.

Definition · 1 min read
UGC Ads
Ad-Tech Glossary

UGC Ads

UGC ads are advertisements styled to look like authentic user-generated content, casual reviews, testimonials, and selfie-style clips, to feel native and credible.

Definition · 1 min read
Creative Fatigue
Ad-Tech Glossary

Creative Fatigue

Creative fatigue is the decline in an ad's performance over time as the audience sees it too often and stops responding.

Definition · 1 min read
Clickbait
Ad-Tech Glossary

Clickbait

Clickbait is sensational or misleading content engineered to maximize clicks while underdelivering on the promise it makes.

Definition · 1 min read
Curiosity Gap
Ad-Tech Glossary

Curiosity Gap

A curiosity gap is a copywriting technique that withholds a key piece of information, creating an itch the reader resolves by clicking.

Definition · 1 min read
Ad Copy
Ad-Tech Glossary

Ad Copy

Ad copy is the written text of an advertisement, headline, description, and call to action, written to persuade a reader to click or buy.

Definition · 1 min read
Creative Angle
Ad-Tech Glossary

Creative Angle

A creative angle is the specific argument, perspective, or emotional appeal an ad uses to position an offer for a particular audience.

Definition · 1 min read
Ad Hook
Ad-Tech Glossary

Ad Hook

An ad hook is the opening element of an ad, a headline, image, or idea, engineered to seize attention in the first second and compel the click.

Definition · 1 min read
Ad Creative
Ad-Tech Glossary

Ad Creative

An ad creative is the visible content of an ad, image or video, headline, and copy, that the user sees, and the primary driver of native ad performance.

Definition · 1 min read
Landing Page
Ad-Tech Glossary

Landing Page

A landing page is the standalone destination a visitor lands on after clicking an ad, built around one conversion goal such as a purchase or sign-up.

Definition · 1 min read
Bridge Page
Ad-Tech Glossary

Bridge Page

A bridge page is an intermediate page that connects a traffic source to an offer, pre-selling the visitor before handing them to the final landing page.

Definition · 1 min read
In-Feed Ad
Ad-Tech Glossary

In-Feed Ad

An in-feed ad is a native ad placed inside a content stream, a feed, article list, or timeline, and styled to match the organic items around it.

Definition · 1 min read
Teaser Ad
Ad-Tech Glossary

Teaser Ad

A teaser ad is a native ad that deliberately withholds key information, using a curiosity-driven headline and image to compel the click-through.

Definition · 1 min read
Discovery Ad
Ad-Tech Glossary

Discovery Ad

A discovery ad is a native ad shown inside content-discovery feeds and recommendation widgets, styled to match editorial content as a headline plus thumbnail.

Definition · 1 min read
Content Discovery Ad
Ad-Tech Glossary

Content Discovery Ad

A content discovery ad is a native placement that surfaces sponsored content as a suggested read, helping users discover articles, videos, or offers.

Definition · 1 min read
Native Ad Widget
Ad-Tech Glossary

Native Ad Widget

A native ad widget is the on-page unit, often a JavaScript-injected block, that renders native ads styled to match the host publisher's layout.

Definition · 1 min read
Branded Content
Ad-Tech Glossary

Branded Content

Branded content is brand-produced, story-driven media that entertains or informs rather than pitching a product directly, building affinity over time.

Definition · 1 min read
Sponsored Content
Ad-Tech Glossary

Sponsored Content

Sponsored content is editorial-style material a publisher creates or hosts in exchange for payment from a brand, clearly disclosed as paid.

Definition · 1 min read
Advertorial
Ad-Tech Glossary

Advertorial

An advertorial is a paid page written in editorial style that pre-sells a product or offer before sending the reader to the sales page.

Definition · 1 min read
Native Advertising
Ad-Tech Glossary

Native Advertising

Native advertising is paid media designed to match the look, feel, and function of the platform it appears on, so it blends with surrounding content.

Definition · 1 min read