What ad sizes should your ad set contain? What ad sizes are most popular? How many ads is the best to have in your ad set?

To answer those questions, Adpiler did a research, based on data from multiple ad exchanges and inventory sources. In total more than 600 billion ad impressions were analyzed to come up with the Ad Size Monitor 2017.

Find below the infographic with all data, which you can use to make your ad set as efficient as possible.

Most popular ad sizes:

The 300×250 is the most popular ad size. 34% of all ad impressions is this medium rectangle

The mobile banner, 320×50, is number 2, followed by the leaderboard 728×90

Those 3 ad sizes (300×250, 320×50, and 728×90) count for 70% of all ad impressions

If you also add the wide skyscraper (160×600) and half page (300×600) to your ad set, your ad set fits to 80% of all ad impressions

Besides that top 5, the market is splintered with more then 15,000 different ad sizes.

How are those ads viewed?