Banner Ads

Feb 3, 2026

Banner ads are rectangular graphic advertisements displayed on websites. They are a foundational form of online advertising designed to attract traffic and build brand recognition.

 

What Are Banner Ads?

Banner ads, also known as web banners or display banners, are image-based advertisements embedded on websites, apps, or social media platforms. Their primary function is to promote a brand, product, or service and encourage users to click through to the advertiser's landing page. First introduced in the early 1990s, banner ads revolutionized marketing by moving it into the digital space. They operate on a payment model, typically Cost-Per-Click (CPC) or Cost-Per-Thousand Impressions (CPM), and are served through ad networks like Google Display Network. While often associated with direct response, their modern role heavily emphasizes brand awareness and retargeting.

 

Key Banner Ad Formats & Sizes

Standardized by the Interactive Advertising Bureau (IAB), common formats include:

  • Leaderboard (728x90 pixels): A horizontal banner typically placed at the top of a webpage.
  • Medium Rectangle (300x250 pixels): A versatile, high-performing size often embedded within article content.
  • Skyscraper (160x600 pixels): A tall, vertical banner placed in a webpage's sidebar.
  • Large Rectangle (336x280 pixels): Another common in-content ad unit.
  • Billboard (970x250 pixels): A large, prominent horizontal banner for high visual impact.

 

Common Use Cases

  • Brand Awareness: Saturating target websites to increase visibility and familiarity with a brand.
  • Retargeting: Displaying ads to users who have previously visited your website, reminding them of products they viewed.
  • Product/Service Promotion: Highlighting a specific offer, sale, or new launch to a broad audience.
  • Event or Content Promotion: Driving registrations for webinars or downloads for gated content like e-books.
  • Traffic Generation: Using compelling visuals and copy to attract clicks to a specific website page.

 

FAQs

1.What is a banner ad?

A banner ad is a rectangular graphic display advertisement that appears on websites, apps, or social media. It combines images, text, and often animation to promote a brand or offer and is clickable, leading users to the advertiser's website.

2.What is the difference between banner ads and display ads?

"Banner ads" refer specifically to the traditional, rectangular image-based ad units. "Display advertising" is the broader category that encompasses all visual ad formats online. This includes banner ads, as well as other formats like interstitial ads, video ads, and native ads. Essentially, all banner ads are display ads, but not all display ads are banner ads.

3.Do banner ads still work?

Yes, when used strategically. While click-through rates (CTRs) for generic banners are typically low (often below 0.1%), they remain highly effective for upper-funnel goals like brand awareness and retargeting. Their success depends heavily on quality design, precise audience targeting, compelling offers, and smart placement on relevant websites.

4.What is the purpose of a banner?

The primary purposes are brand exposure and user engagement. A banner aims to visually capture attention, communicate a key message quickly, and either build top-of-mind awareness or prompt a specific action (like a click). Its success is measured not just in clicks, but in increased brand recognition and influence on the user's later purchasing decisions.

 

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Last modified: 2026-02-03