300×600 Banner Ad Unit / Half Page Unit 

300×600 Banner Ad Unit / Half Page Unit 

The 300×600 Banner Ad Unit, also known as the Half Page, is one of the largest ad sizes available and stands out compared to other common ad sizes for its superior performance and monetization potential. As one of the largest ad units, the 300×600 delivers high viewability, strong click-through rates, and premium CPMs. This format is categorized under half page ads and is a type of banner that is highly valued by both publishers and advertisers. Designed for standout performance, the 300×600 offers a large, impactful format ideal for advertiser branding, engagement, and results. It is perfect for increasing campaign visibility and driving action across premium content environments, especially when following best practices for design and placement.

Alternate Names for the 300×600 Ad Unit

The 300×600 ad unit is known by several different names across the digital advertising industry. While the dimensions remain consistent, terminology can vary by platform or region. When planning campaigns, it’s always best to confirm based on the actual size, not just the name.

Common alternative names for the 300×600 include:

  • Double MPU

  • Monster MPU

  • Half Page Unit

  • Filmstrip

  • DMPU (Double Mid Page Unit)

  • Vertical Leaderboard

As an example, a 300×600 banner can be used in a branding campaign to capture user attention and deliver a strong visual impact, making it a compelling choice for advertisers seeking high engagement.

This ad unit is highly visible to users when they visit a website, making it effective for both branding and rich media content display. Its placement within a website layout ensures maximum exposure to users, and its compatibility with desktop devices ensures it displays well on screen resolutions such as 72 ppi.

Due to its size and effectiveness, the 300×600 is often more expensive to purchase than smaller ad units, so advertisers should consider their budget and campaign goals before making a purchase decision.

One of the best performing ad units on Gourmet Ads is the 300×600 Banner which is considered a large format ad unit which is equivalent to a full page ad in a newspaper. Sometimes referred to as the Half Page Ad Unit or Double MPU the 300×600 banner provides a large area for advertisers to get their message across paired with a high click through rate.

Most sites across Gourmet Ads are enabled to run the 300×600 ad unit. However the high demand by advertisers generally commands a higher CPM rate than regular sized IAB Ad Units.

Features of the 300×600 ;

  • Exceptional level of click through rates
  • Large format / high visibility unit
  • Ideal for in unit video placement
  • Ideal for all types of rich media
  • Approved IAB Ad Unit

Don’t have a 300×600 Ad Creative ?

Gourmet Ads can take your existing creative assets and develop 300×600 ad units for your campaign using your brand standards quickly and cost effectively. Our suggestions about banner ad design will help you to make a creative 300 x 600 ad.

Need Creative Specifications for a 300×600 ad unit?

See our Advertising Specifications

Examples of 300×600 Ads 

Food Advertising Examples - Kikkoman Soy Sauce - 300x600    Coffee Advertising Nespresso 300x600

Fast Food - McDonalds - 300x600    Uber Eats 300x600 Food Delivery Advertising

300×600 Ad Unit: Frequently Asked Questions (FAQs)

The 300×600 is a vertical display ad size, also known as a “half-page” unit, offering a large, impactful canvas for advertisers.

Common alternative names for the 300×600 include;

  • Double MPU

  • Monster MPU

  • Half Page Unit

  • Filmstrip

  • DMPU (Double Mid Page Unit)

  • Vertical Leaderboard

It takes up more screen space than standard display ads, resulting in higher viewability and stronger engagement.

Advertisers can use static images, HTML5 creatives, or rich media ads, depending on the publisher and platform guidelines.

While it can appear on mobile in some apps or sites, it is primarily designed for desktop environments due to its tall format.

The 300×600 ad unit has a 1:2 aspect ratio. This means the height is exactly double the width, making it a tall, vertical format ideal for sidebar placements.

These units are widely supported across premium publisher sites in display inventory, especially in news, food, health, and lifestyle verticals.

CTR varies by campaign and creative, but the 300×600 typically outperforms smaller formats like 300×250 due to its visibility.

It is commonly found in the right-hand sidebar, often fixed while scrolling, to maintain visibility.

Due to higher engagement and demand, 300×600 units often command a higher CPM than smaller units.

Yes, they are available across most DSPs and exchanges, including Microsoft Advertising, Amazon DSP, The Trade Desk, and Google DV360.

Yes, the 300×600 ad is part of the IAB standard ad units and is widely supported across the digital advertising ecosystem.

300x600 San Pelligrino

300×600

HTML5 / IAB

Our Other Banner Ad Sizes

Format of Video Ads 

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Let the Gourmet Ads team walk you through all the options available to ensure that your Food, Supermarket, Beverage or Kitchen advertising campaign has the best possible combination of Premium Guaranteed Inventory, Scale, First Party Data, Contextual Targeting and Programmatic Advertising elements.