Best Google AdSense Ad Sizes for Desktop and Mobile

 

One of the keys to succeeding with Google AdSense is choosing the right ad size. Just like picking clothes—if it fits well, it looks good and feels comfortable. But if it doesn’t? Your readers might bounce before they even see the ads!

Let’s go over the most effective AdSense ad sizes for desktop and mobile—without making your blog look like a digital billboard! 

 Best Ad Sizes for Desktop

1. 300x250 (Medium Rectangle)
   🔹 Best for: Sidebar or within content
   🔹 Why it's great: Versatile and one of the top-performing sizes.
2. 336x280 (Large Rectangle)
   🔹 Best for: In the middle or bottom of articles
   🔹 Slightly larger and more attention-grabbing—yet still elegant.
3. 728x90 (Leaderboard)
   🔹 Best for: Top or bottom of the page
   🔹 Works well on horizontally oriented layouts.
4. 300x600 (Half Page)
   🔹 Best for: Long sidebars
   🔹 Offers space for rich media ads—popular with premium advertisers.
5. 970x250 (Billboard)
   🔹 Best for: Top of homepage
   🔹 Big and bold—great for brand awareness, though it may slow loading time.

 Best Ad Sizes for Mobile

1. 320x100 (Large Mobile Banner)
   🔹 Best for: Top or bottom of the mobile screen
   🔹 Not too big, not too small—just right for visibility and usability.
2. 300x250 (Medium Rectangle)
   🔹 Best for: Inside content on mobile
   🔹 Highly flexible and often prioritized by Google on mobile devices.
3. 320x50 (Mobile Banner)
   🔹 Best for: Bottom of mobile pages
   🔹 Lightweight and fast-loading, though CTR is usually lower than 320x100.
4. Responsive Ads
   🔹 Best for: Anywhere
   🔹 Automatically adapts to screen size—highly recommended!

 Tips for Choosing Ad Sizes:

•  Use responsive ads if you don’t want to stress over picking exact sizes.
•  Avoid overloading your site with large ads—slows down loading and annoys readers.
•  Mix different ad sizes for better optimization and higher click potential.
•  Regularly check your AdSense performance reports and adjust accordingly.

Ad size matters. The better it fits your layout and matches user behavior, the higher your earning potential.

In short:

Platform	Top-Performing Sizes
Desktop	300x250, 336x280, 728x90, 300x600
Mobile	320x100, 300x250, 320x50, Responsive Ads

By choosing the right sizes, you not only enhance your blog’s design, but also increase your AdSense revenue potential. Because in the world of ads—size kind of does matter