Ad Size Guide Glossary


Do you know the difference between an MPU, an LREC and a Wide Sky? Find out by using the below feature to search through our Ad Size Guide Glossary.

The glossary is being updated all the time. If you think there is anything missing, please get in touch to let us know at justin@theonlineadvertisingguide.com

Please note: The below contains terms related to ad sizes, acronyms of ad sizes, abbreviations of ad sizes, and synonyms of ad sizes!

If you’re looking for something specific, we recommend you use the search box.

 

Want to learn more about Ad Sizes? Check out our helpful Ad Size Guide. Think you already know it all? Then try our Display Ad Sizes Quizzes and Exams.

 

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  • 120x600
    What is a 120x600? The 120x600 ad unit is a now-defunct IAB standard ad unit historically...   Learn More >
  • 120x60
    What is a 120x60? The 120x60 ad unit is an IAB standard ad unit with dimensions of 120 pixels...   Learn More >
  • 125x125
    What is a 125x125? The 125x125 ad unit is a now-defunct IAB standard ad unit with the...   Learn More >
  • 160x600
    What is a 160x600? The 160x600 ad size is an IAB standard ad unit with dimensions of 160 pixels...   Learn More >
  • 300x50
    What is a 300x50? The 300x50 ad unit is an IAB Mobile standard ad unit with the dimensions of...   Learn More >
  • 300x600
    What is a 300x600? The 300x600 ad unit is an IAB standard ad unit with dimensions of 300 pixels...   Learn More >
  • 300x250
    An MPU is a display ad unit that is 300 pixels wide by 250 pixels tall. It is commonly called a...   Learn More >
  • 320x480
    What is a 320x480? The 320x480 ad unit is a mobile ad with dimensions of 320 pixels wide by 480...   Learn More >
  • 320x100
    What is a 320x100? The 320x100 ad unit is a top-performing AdSense ad size, which is...   Learn More >
  • 320x50
    What is a 320x50? The 320x50 ad unit is an IAB Mobile standard ad unit with the dimensions of...   Learn More >
  • 336x280
    What is a 336x280? The 336x280 is an ad unit that has been delisted by the IAB. It...   Learn More >
  • 468x60
    What is a 468x60? The 468x60 ad unit is a now-defunct IAB standard ad unit with the dimensions...   Learn More >
  • 728x90
    A leaderboard is a display ad unit that is 728 pixels wide by 90 pixels tall. It is commonly...   Learn More >
  • 970x90
    What is a Super Leaderboard? The 970x90 is an ad unit that is one of the IABs new ad portfolio...   Learn More >
  • 970x250
    What is a Billboard? The 970x250 is an ad unit which was listed as a Rising Star by the IAB. It...   Learn More >
  • Acceptable Ads
    Acceptable Ads is a set of criteria for placing ads on a website. It was created by the parent...   Learn More >
  • Ad Bundle
    An Ad Bundle is a popular advertising concept in Germany that refers to buying all ad units...   Learn More >
  • Ad Unit
    An Ad Unit is the generic term used when talking about a single type of ad.
  • Anchor Ad
    An Anchor Ad is a type of overlay ad which stays at the bottom of a webpage regardless of...   Learn More >
  • Banner
    What is a 468x60? The 468x60 ad unit is a now-defunct IAB standard ad unit with the dimensions...   Learn More >
  • Banner Ads
    'Banner Ads' is the generic term used to describe image-based online ads such as 160x600s,...   Learn More >
  • Billboard
    What is a Billboard? The 970x250 is an ad unit which was listed as a Rising Star by the IAB. It...   Learn More >
  • Button
    Button historically referred to the ad sizes 120x60 or 125x125, however is usually used now to...   Learn More >
  • Companion Ad
    Companion Ads are two or more ads that are delivered together. Due to the way these work,...   Learn More >
  • Expandable Ad
    An expandable ad in online advertising refers to any ad unit which becomes larger upon some sort...   Learn More >
  • Filmstrip
    In online advertising, a filmstrip refers to a type of 300x600 ad unit. It is distinct from a...   Learn More >
  • Flash Ad
    An ad made using Adobe Flash which is usually animated and can be interactive. These types of...   Learn More >
  • Homepage Takeover
    What is a Homepage Takeover? A Homepage Takeover is a type of roadblock in which the Homepage...   Learn More >
  • HPTO
    What is a Homepage Takeover? A Homepage Takeover is a type of roadblock in which the Homepage...   Learn More >
  • Interstitial
    Interstitial essentially means "between" and are the ads which appear before or between webpages...   Learn More >
  • InText Advertising
    What is In-Text Advertising? In-Text Advertising is where you allow a company to monetize words...   Learn More >
  • Jump Page
    A jump page is a microsite that opens after clicking on an ad. It is essentially a pop-up ad...   Learn More >
  • Leaderboard
    A leaderboard is a display ad unit that is 728 pixels wide by 90 pixels tall. It is commonly...   Learn More >
  • Linear Video Ads
    Linear Video Ads are simply video ads that convey a message by being watched (as opposed to...   Learn More >
  • LREC
    What is a 336x280? The 336x280 is an ad unit that has been delisted by the IAB. It...   Learn More >
  • Mobile Advertising
    What Is Mobile Advertising? Mobile Advertising refers to advertising which is built...   Learn More >
  • Monster MPU
    What is a 300x600? The 300x600 ad unit is an IAB standard ad unit with dimensions of 300 pixels...   Learn More >
  • MPU
    An MPU is a display ad unit that is 300 pixels wide by 250 pixels tall. It is commonly called a...   Learn More >
  • Non-Linear Video Ads
    A non-linear video ad is a video ad that is not based on simply watching a video to get the...   Learn More >
  • Non-Standard Ad Unit
    In the Preparing Your Site section we told you to stick with IAB standard ads. This was because...   Learn More >
  • Overlay
    What is an Overlay (or Floater)? An Overlay (or Floater as they are known in the US) is an IAB...   Learn More >
  • Placement
    Placement is a generic term meaning some combination of an ad and the place it is served. It can...   Learn More >
  • Pop-Up
    What is a Pop-Up (or Pop-Under)? A pop-up ad comprises of a webpage that opens up in a new...   Learn More >
  • Pre-Game
    Pre-game ads are usually a type of video (although occasionally an MPU) ad that comes up before...   Learn More >
  • Pre-Roll
    What Is A Pre-Roll? Pre-Roll is commonly used to refer to any type of video advertising. It is...   Learn More >
  • Reskin
    What is a Reskin? A reskin is a branded image that replaces the background of a website. It...   Learn More >
  • Responsive Ad Unit
    A responsive ad unit changes size to fit the space it is given. This is especially useful when a...   Learn More >
  • Roadblock Ad
    This is where all ads on a page are sold together to one advertiser. The ads must deliver...   Learn More >
  • Skyscraper
    What is a 160x600? The 160x600 ad size is an IAB standard ad unit with dimensions of 160 pixels...   Learn More >
  • Standard Ad Unit
    The Online Advertising Guide recommends you use IAB standard ads, as it makes the whole ad...   Learn More >
  • Tile
    A tile is a common term for a square ad. It usually refers to a 125 pixels (wide) by 125 pixels...   Learn More >
  • VAST
    VAST is the equivalent of IAB Standard Ad sizes for Video Advertising, meaning that an...   Learn More >
  • Vertical Unit
    A Vertical Unit is an informal way of talking about any ad size which is taller than it is wide...   Learn More >
  • Video Ad Serving Template
    VAST is the equivalent of IAB Standard Ad sizes for Video Advertising, meaning that an...   Learn More >
  • Video MPU
    A Video MPU is an MPU ad that contains a video in it.   7 Ideas & Facts About Video MPUs ...   Learn More >

 

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