Ad Creative Reference — Standard Sizes Guide
Every Ad Size You Need.
All In One Place.
Standard dimensions for websites, outdoor billboards, mobile apps, and social media — so your creative team always delivers the right file at the right size.
● Website
● Billboards / OOH
● Mobile App
● Social Media
Website Display Advertising
IAB Standard Web Banner Sizes
The Interactive Advertising Bureau (IAB) defines the industry-standard web banner sizes used across all major ad networks, programmatic platforms, and publisher websites globally.
300×250Medium Rectangle — most widely used
728×90Leaderboard — top of page standard
300×600Half Page — highest engagement rate
970×250Billboard — premium above-fold placement
Core Web Banner Sizes
Medium Rectangle
300×250
300 × 250
pixels
The most widely used web ad format. Works in sidebars, embedded in content, and on mobile. Supported by virtually every ad network and website.
Display Networks · Programmatic
Leaderboard
728×90
728 × 90
pixels
Top-of-page horizontal banner. Typically placed above the main content or navigation — high visibility, first impression format across desktop sites.
Desktop · Top of Page
Half Page
300×600
300 × 600
pixels
Highest engagement rate of all display formats. Large creative canvas in sidebars — ideal for storytelling, product shots, and premium brand campaigns.
Premium Display · High Engagement
Wide Skyscraper
160×600
160 × 600
pixels
Tall sidebar format that remains visible as users scroll. Good for brand awareness campaigns on news and editorial sites with long content pages.
Sidebar · Scroll-Sticky
Large Rectangle
336×280
336 × 280
pixels
Slightly larger than the Medium Rectangle — often outperforms it for click-through rate when embedded inline within article content.
In-Content · Article Placement
Web Billboard
970×250
970 × 250
pixels
Premium above-the-fold banner for high-impact desktop placements. Spans nearly the full page width — reserved for major brand campaigns and homepage takeovers.
Premium · Homepage Takeover
Large Leaderboard
970×90
970 × 90
pixels
Wider version of the standard leaderboard. Used on wide-layout desktop sites for top-of-page brand exposure with a slimmer profile than the full billboard.
Desktop · Wide Layout Sites
Mobile Banner
320×50
320 × 50
pixels
Standard mobile web banner — appears at the top or bottom of mobile browsers. High volume, low cost, ideal for retargeting and high-frequency brand recall.
Mobile Web · Retargeting
Large Mobile Banner
320×100
320 × 100
pixels
Double the height of the standard mobile banner — more creative space for messaging, product image, and CTA. Performs better for brand campaigns on mobile browsers.
Mobile Web · Brand Campaigns
