Digital Ad Size Guide

Most common digital display ad sizes

The most popular digital ad sizes are scalable for multiple designs. It is easier to scale a design up than down. The table below begins with the most popular ad sizes. 

Best Practices:

  • Identify the smallest ad* you are buying on the chart below.
  • Develop that one first and get approval.
  • Build out the remainder of the ads in your campaign, going down and then across the chart**.

*Ads are shown at 25% size.
**Popularity of sizes as of July 8, 2021, according to match2one.com.

Ad Size Specs

THE MOSTLY SQUARES THE HORIZONTALS THE VERTICALS

DEVELOP THIS
AD FIRST


40% Most Popular
300 x 250
Medium Rectangle


25% Most Popular
728 x 90
Leaderboard


25% Most Popular
160 x 600
Wide Skyscraper

THEN
Build the ads below it in the column based on the established design.

 

WHY?
In general, it is easier to scale a design up than down.


5% Most Popular
300 x 600
Half Page


1080 x 1080
Facebook Instagram


1080 x 1920
iPhone


12% Most Popular
320 x 50
Mobile Leaderboard


1% Most Popular
970 x 250
Billboard


1200 x 628
Twitter


<1% Most Popular
120 x 600
Skyscraper