If you’re running display campaigns on Google Display Network (GDN) without knowing the latest 2025 ad specs, you’re likely wasting money and missing out on performance.

Google Display Network constantly evolves, and to ensure your ads look great and appear in the right placements, you must follow Google’s latest requirements.

This guide covers everything you need to know about ad specs, campaign benefits, the differences between static and responsive ads, recommended sizes, supported formats, performance tips, and more.

📌 What is Google Display Network (GDN)?

Google Display Network is one of the world’s largest advertising platforms, allowing advertisers to showcase visual ads across millions of websites, apps, and YouTube.

✅ Massive Reach: Access to millions of sites and apps worldwide

✅ Advanced Targeting: Segment audiences based on interests, demographics, browsing behavior, and more

✅ Supports Various Ad Formats: Image, video, HTML5, interactive, and responsive ads

✅ Boosts Brand Awareness: Engage potential customers at different stages of the marketing funnel

✅ Flexible Pricing Models: Pay-per-click (CPC) or pay-per-impression (CPM)

📏 Full Technical Specifications for Google Display Network Ads in 2025

🖼️ Supported File Formats & Maximum Size

Accepted Formats: PNG, JPG, GIF

Max File Size: 150KB

📌 Static Display Ad Sizes (Uploaded Ads)

Static ads are pre-designed banners uploaded directly to Google in specific formats. Below are the most recommended and high-performing sizes:

🔲 Square & Rectangle Ads

200×200 – Small Square

250×250 – Square

300×250 – Inline Rectangle (High Performance)

336×280 – Large Rectangle (High Performance)

580×400 – Netboard

🏙️ Skyscraper Ads (Tall & Narrow, Ideal for Sidebars)

120×600 – Skyscraper

160×600 – Wide Skyscraper

300×600 – Half-Page Ad (High Performance)

300×1050 – Portrait

📢 Leaderboard Ads (Best for Top-of-Page Placements)

468×60 – Banner

728×90 – Leaderboard (High Performance)

970×90 – Large Leaderboard

970×250 – Billboard

📱 Mobile Ad Sizes

300×50 – Mobile Banner

320×50 – Mobile Banner

320×100 – Large Mobile Banner (High Performance)

🎥 Animated (GIF & HTML5) Ad Requirements in 2025

If you use animated ads, you must follow these Google-imposed restrictions:

Maximum Animation Length: 30 seconds

Looping: Allowed, but animation must stop after 30 seconds

Frame Rate (FPS): Cannot exceed 5 frames per second

📺 Responsive vs. Static Display Ads – Which One Is Better in 2025?

1️⃣ Static Display Ads (Uploaded Ads)

✔ Require creating separate versions for different screen sizes

✔ Full control over the ad’s design and layout

✔ Ideal for brands with strict design guidelines

2️⃣ Responsive Display Ads (Recommended by Google)

✔ Automatically adjust to fit different screen sizes and placements

✔ Google assembles the ad using provided images, headlines, and logos

✔ Offers broader reach with less manual design work

Which one should you choose?

If you need total control over branding—go for static ads.

If you want flexibility and time efficiency—responsive ads are the way to go.

🎯 Why Following Google’s Ad Specs Is Crucial

Using the wrong ad size or format can result in:

❌ Blurry or cropped images

❌ Poor placement across partner sites

❌ Low click-through rates (CTR)

❌ Ads being disapproved by Google

To avoid these issues, always use recommended ad sizes and ensure high-quality images.

🚀 Tips to Improve Your Google Display Ads in 2025

✅ Invest in Professional Design – Well-designed ads significantly boost CTR.

✅ Run A/B Tests – Experiment with different ad variations to find the most effective one.

✅ Use Clear & Concise Messaging – Avoid cluttered text that distracts users.

✅ Analyze Your Data – Use Google Analytics and Ads reports to optimize campaigns.

✅ Leverage High-Quality Visuals – If you lack an in-house designer, consider working with a professional service for high-converting creatives.

🔍 What’s Next?

Google keeps updating its advertising policies, so staying informed about the latest trends and best practices is essential.

📌 Do you use more static or responsive ads? Let us know in the comments!