Display Format
Medium Rectangle300×250
The most versatile and widely supported display ad format. Perfect balance of visibility and user experience across all devices and platforms.
Interactive Demo
Desktop Layout
300×250
Medium Rectangle
Mobile Layout
300×250
Responsive
• Scales perfectly on all devices
• High visibility placement
• Excellent user experience
Placement Options
Sidebar
Right or left sidebar placement
Viewability:72%
Avg. CTR:0.52%
In-Content
Embedded within article content
Viewability:85%
Avg. CTR:0.68%
Footer
Bottom of page placement
Viewability:45%
Avg. CTR:0.31%
Technical Specifications
Dimensions300x250 pixels
File FormatsJPG, PNG, GIF, HTML5
Max File Size150KB (static), 200KB (animated)
Animation LengthMax 30 seconds
Frame RateMax 5 FPS for GIF
Load TimeUnder 3 seconds
💡 Pro Tip
Medium Rectangle ads perform best when placed above the fold or within the first screen of content. Consider using rich media formats for higher engagement.
Key Features
Universal compatibility
Above-the-fold placement
Mobile responsive design
Rich media support
Video integration capable
High viewability rates
Supported Formats
🖼️
Static Images
JPG, PNG
🎬
Animated GIF
Max 30s
💻
HTML5
Interactive
📹
Video
MP4, WebM
Performance Metrics
Average CTR
0.46%
+23% vs industry avg
Viewability Rate
68.2%
+15% vs industry avg
Brand Recall
42.8%
+18% vs industry avg
Cost Efficiency
$2.15 CPM
-12% vs industry avg
Optimization Best Practices
Design Guidelines
- • Use high-contrast colors for visibility
- • Keep text readable at small sizes
- • Include clear call-to-action buttons
- • Optimize for mobile viewing
- • Test different creative variations
Performance Tips
- • Place above the fold when possible
- • Use lazy loading for better page speed
- • Implement viewability tracking
- • A/B test different placements
- • Monitor frequency capping
Start Your Medium Rectangle Campaign
Launch high-performing 300×250 display ads with our advanced targeting and optimization tools.